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Initial import
This commit is contained in:
Gigi
50
source/geometry/__init__.html
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50
source/geometry/__init__.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html;charset=utf-8">
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<title>__init__.py</title>
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<link rel="stylesheet" href="../pycco.css">
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</head>
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<body>
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<div id="background"></div>
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<div id='container'>
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<div class='section'>
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<div class='docs'><h1>__init__.py</h1></div>
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</div>
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<div class='clearall'>
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<div class='section' id='section-0'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-0'>#</a>
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</div>
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<p>geometry package</p>
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</div>
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<div class='code'>
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<div class="highlight"><pre></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-1'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-1'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s">'Feature'</span><span class="p">,</span> <span class="s">'Geometry'</span><span class="p">,</span> <span class="s">'SolidGeometry'</span><span class="p">,</span> <span class="s">'MultiPolygon'</span><span class="p">,</span> <span class="s">'BBox'</span><span class="p">,</span> <span class="s">'Point'</span><span class="p">,</span> <span class="s">'View'</span><span class="p">,</span> <span class="s">'Line'</span><span class="p">,</span> <span class="s">'PolyLine'</span><span class="p">,</span> <span class="s">'create_feature'</span><span class="p">]</span>
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<span class="kn">from</span> <span class="nn">feature</span> <span class="kn">import</span> <span class="o">*</span>
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<span class="kn">from</span> <span class="nn">geometry</span> <span class="kn">import</span> <span class="n">Geometry</span><span class="p">,</span> <span class="n">SolidGeometry</span>
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<span class="kn">from</span> <span class="nn">polygon</span> <span class="kn">import</span> <span class="n">MultiPolygon</span>
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<span class="kn">from</span> <span class="nn">point</span> <span class="kn">import</span> <span class="n">Point</span>
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<span class="kn">from</span> <span class="nn">bbox</span> <span class="kn">import</span> <span class="n">BBox</span>
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<span class="kn">from</span> <span class="nn">view</span> <span class="kn">import</span> <span class="n">View</span>
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<span class="kn">from</span> <span class="nn">line</span> <span class="kn">import</span> <span class="n">Line</span><span class="p">,</span> <span class="n">PolyLine</span>
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</pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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</div>
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</body>
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195
source/geometry/bbox.html
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195
source/geometry/bbox.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html;charset=utf-8">
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<title>bbox.py</title>
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<link rel="stylesheet" href="../pycco.css">
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</head>
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<body>
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<div id="background"></div>
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<div id='container'>
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<div class='section'>
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<div class='docs'><h1>bbox.py</h1></div>
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</div>
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<div class='clearall'>
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<div class='section' id='section-0'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-0'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="kn">from</span> <span class="nn">point</span> <span class="kn">import</span> <span class="n">Point</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-1'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-1'>#</a>
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</div>
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<p>2D bounding box</p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="k">class</span> <span class="nc">BBox</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-2'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-2'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">width</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">height</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">left</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">top</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
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<span class="kn">import</span> <span class="nn">sys</span>
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<span class="k">if</span> <span class="n">width</span> <span class="o">==</span> <span class="bp">None</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">xmin</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">maxint</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">xmax</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">maxint</span> <span class="o">*</span> <span class="o">-</span><span class="mi">1</span>
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<span class="k">else</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">xmin</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="n">left</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">xmax</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="n">left</span> <span class="o">+</span> <span class="n">width</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="n">width</span>
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<span class="k">if</span> <span class="n">height</span> <span class="o">==</span> <span class="bp">None</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">ymin</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">maxint</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">ymax</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">maxint</span> <span class="o">*</span> <span class="o">-</span><span class="mi">1</span>
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<span class="k">else</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">ymin</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">top</span> <span class="o">=</span> <span class="n">top</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">ymax</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">bottom</span> <span class="o">=</span> <span class="n">height</span> <span class="o">+</span> <span class="n">top</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="n">height</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-3'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-3'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre> <span class="k">def</span> <span class="nf">update</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pt</span><span class="p">):</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">pt</span><span class="p">,</span> <span class="n">Point</span><span class="p">):</span>
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<span class="n">pt</span> <span class="o">=</span> <span class="n">Point</span><span class="p">(</span><span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">xmin</span> <span class="o">=</span> <span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">xmin</span><span class="p">,</span> <span class="n">pt</span><span class="o">.</span><span class="n">x</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">ymin</span> <span class="o">=</span> <span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ymin</span><span class="p">,</span> <span class="n">pt</span><span class="o">.</span><span class="n">y</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">xmax</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">xmax</span><span class="p">,</span> <span class="n">pt</span><span class="o">.</span><span class="n">x</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">ymax</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ymax</span><span class="p">,</span> <span class="n">pt</span><span class="o">.</span><span class="n">y</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmin</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">top</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymin</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmax</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">bottom</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymax</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmax</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmin</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymax</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymin</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-4'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-4'>#</a>
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</div>
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<p>returns true if two bounding boxes overlap</p>
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</div>
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<div class='code'>
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<div class="highlight"><pre> <span class="k">def</span> <span class="nf">intersects</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bbox</span><span class="p">):</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-5'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-5'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre> <span class="k">return</span> <span class="n">bbox</span><span class="o">.</span><span class="n">left</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="ow">and</span> <span class="n">bbox</span><span class="o">.</span><span class="n">right</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="ow">and</span> <span class="n">bbox</span><span class="o">.</span><span class="n">top</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">bottom</span> <span class="ow">and</span> <span class="n">bbox</span><span class="o">.</span><span class="n">bottom</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">top</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-6'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-6'>#</a>
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</div>
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<p>check if a point is inside the bbox</p>
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</div>
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<div class='code'>
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<div class="highlight"><pre> <span class="k">def</span> <span class="nf">check_point</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pt</span><span class="p">):</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-7'>
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<div class='docs'>
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<div class='octowrap'>
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<a class='octothorpe' href='#section-7'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre> <span class="k">return</span> <span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">xmin</span> <span class="ow">and</span> <span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmax</span> <span class="ow">and</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">ymin</span> <span class="ow">and</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymax</span></pre></div>
|
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</div>
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</div>
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<div class='clearall'></div>
|
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<div class='section' id='section-8'>
|
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<div class='docs'>
|
||||
<div class='octowrap'>
|
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<a class='octothorpe' href='#section-8'>#</a>
|
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</div>
|
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</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
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<span class="k">return</span> <span class="s">'BBox(x=</span><span class="si">%.2f</span><span class="s">, y=</span><span class="si">%.2f</span><span class="s">, w=</span><span class="si">%.2f</span><span class="s">, h=</span><span class="si">%.2f</span><span class="s">)'</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">top</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span><span class="p">)</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-9'>
|
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<div class='docs'>
|
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<div class='octowrap'>
|
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<a class='octothorpe' href='#section-9'>#</a>
|
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</div>
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</div>
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<div class='code'>
|
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<div class="highlight"><pre> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bbox</span><span class="p">):</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">Point</span><span class="p">(</span><span class="n">bbox</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">bbox</span><span class="o">.</span><span class="n">top</span><span class="p">))</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">Point</span><span class="p">(</span><span class="n">bbox</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">bbox</span><span class="o">.</span><span class="n">bottom</span><span class="p">))</span></pre></div>
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</div>
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</div>
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<div class='clearall'></div>
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<div class='section' id='section-10'>
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<div class='docs'>
|
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<div class='octowrap'>
|
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<a class='octothorpe' href='#section-10'>#</a>
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</div>
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</div>
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<div class='code'>
|
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<div class="highlight"><pre> <span class="k">def</span> <span class="nf">inflate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">amount</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">inflate</span><span class="o">=</span><span class="bp">False</span><span class="p">):</span>
|
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<span class="k">if</span> <span class="n">inflate</span><span class="p">:</span>
|
||||
<span class="n">d</span> <span class="o">=</span> <span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span><span class="p">)</span>
|
||||
<span class="n">amount</span> <span class="o">+=</span> <span class="n">d</span> <span class="o">*</span> <span class="n">inflate</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">xmin</span> <span class="o">-=</span> <span class="n">amount</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">ymin</span> <span class="o">-=</span> <span class="n">amount</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">xmax</span> <span class="o">+=</span> <span class="n">amount</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">ymax</span> <span class="o">+=</span> <span class="n">amount</span>
|
||||
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmin</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">top</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymin</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmax</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">bottom</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymax</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmax</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">xmin</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymax</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">ymin</span>
|
||||
|
||||
</pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
</div>
|
||||
</body>
|
||||
279
source/geometry/geometry.html
Normal file
279
source/geometry/geometry.html
Normal file
@@ -0,0 +1,279 @@
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="content-type" content="text/html;charset=utf-8">
|
||||
<title>geometry.py</title>
|
||||
<link rel="stylesheet" href="../pycco.css">
|
||||
</head>
|
||||
<body>
|
||||
<div id="background"></div>
|
||||
<div id='container'>
|
||||
<div class='section'>
|
||||
<div class='docs'><h1>geometry.py</h1></div>
|
||||
</div>
|
||||
<div class='clearall'>
|
||||
<div class='section' id='section-0'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-0'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-1'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-1'>#</a>
|
||||
</div>
|
||||
<p>DEPRECATED</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-2'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-2'>#</a>
|
||||
</div>
|
||||
<p>base class for all geometry</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">class</span> <span class="nc">Geometry</span><span class="p">:</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-3'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-3'>#</a>
|
||||
</div>
|
||||
<p>project geometry</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">proj</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-4'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-4'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'project() is not implemented'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-5'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-5'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">bbox</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'bbox() is not implemented'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-6'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-6'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project_view</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">view</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'project_view() is not implemented'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-7'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-7'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">to_svg</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">round</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'to_svg() is not implemented'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-8'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-8'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">crop_to</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">view_bounds</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'crop_to() is not implemented'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-9'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-9'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">substract_geom</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">geom</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'substract_geom() is not implemented yet'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-10'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-10'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">is_emtpy</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="bp">False</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-11'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-11'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">unify</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">point_store</span><span class="p">,</span> <span class="n">precision</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'unify() is not implemented yet'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-12'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-12'>#</a>
|
||||
</div>
|
||||
<p>returns a list of point lists</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">points</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-13'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-13'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'points() is not implemented yet'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-14'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-14'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">geom</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'join() is not implemented yet'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-15'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-15'>#</a>
|
||||
</div>
|
||||
<p>base class for all solid geometry, e.g. polygons</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">class</span> <span class="nc">SolidGeometry</span><span class="p">(</span><span class="n">Geometry</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-16'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-16'>#</a>
|
||||
</div>
|
||||
<p>calculates area for this geometry</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">area</span><span class="p">():</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-17'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-17'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'area() is not implemented'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-18'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-18'>#</a>
|
||||
</div>
|
||||
<p>calculates centroid for this geometry</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">centroid</span><span class="p">():</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-19'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-19'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'centroid() is not implemented'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-20'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-20'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">invalidate</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__area</span> <span class="o">=</span> <span class="bp">None</span>
|
||||
|
||||
</pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
</div>
|
||||
</body>
|
||||
519
source/geometry/line.html
Normal file
519
source/geometry/line.html
Normal file
@@ -0,0 +1,519 @@
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="content-type" content="text/html;charset=utf-8">
|
||||
<title>line.py</title>
|
||||
<link rel="stylesheet" href="../pycco.css">
|
||||
</head>
|
||||
<body>
|
||||
<div id="background"></div>
|
||||
<div id='container'>
|
||||
<div class='section'>
|
||||
<div class='docs'><h1>line.py</h1></div>
|
||||
</div>
|
||||
<div class='clearall'>
|
||||
<div class='section' id='section-0'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-0'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="kn">from</span> <span class="nn">bbox</span> <span class="kn">import</span> <span class="n">BBox</span>
|
||||
<span class="kn">from</span> <span class="nn">geometry</span> <span class="kn">import</span> <span class="n">Geometry</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-1'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-1'>#</a>
|
||||
</div>
|
||||
<p>polyline</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">class</span> <span class="nc">PolyLine</span><span class="p">(</span><span class="n">Geometry</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-2'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-2'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">contours</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">contours</span> <span class="o">=</span> <span class="n">contours</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-3'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-3'>#</a>
|
||||
</div>
|
||||
<p>returns the bounding box of the line</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">bbox</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-4'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-4'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">bbox</span> <span class="o">=</span> <span class="n">BBox</span><span class="p">()</span>
|
||||
<span class="k">for</span> <span class="n">pts</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">:</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">pts</span><span class="p">:</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">pt</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">bbox</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-5'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-5'>#</a>
|
||||
</div>
|
||||
<p>projects the line to a map projection</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">proj</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-6'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-6'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">contours</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">points</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">:</span>
|
||||
<span class="n">pts</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">points</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="n">proj</span><span class="o">.</span><span class="n">_visible</span><span class="p">(</span><span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">]):</span>
|
||||
<span class="n">p</span> <span class="o">=</span> <span class="n">proj</span><span class="o">.</span><span class="n">project</span><span class="p">(</span><span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
|
||||
<span class="k">if</span> <span class="n">p</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
|
||||
<span class="n">pts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">p</span><span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="n">contours</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span>
|
||||
<span class="n">pts</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="n">contours</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">PolyLine</span><span class="p">(</span><span class="n">contours</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-7'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-7'>#</a>
|
||||
</div>
|
||||
<p>transforms the line to a new view</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project_view</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">view</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-8'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-8'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">contours</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">points</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">:</span>
|
||||
<span class="n">pts</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">points</span><span class="p">:</span>
|
||||
<span class="n">p</span> <span class="o">=</span> <span class="n">view</span><span class="o">.</span><span class="n">project</span><span class="p">(</span><span class="n">pt</span><span class="p">)</span>
|
||||
<span class="n">pts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">p</span><span class="p">)</span>
|
||||
<span class="n">contours</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">PolyLine</span><span class="p">(</span><span class="n">contours</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-9'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-9'>#</a>
|
||||
</div>
|
||||
<p>constructs a svg representation of this line</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">to_svg</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">svg</span><span class="p">,</span> <span class="nb">round</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-10'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-10'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">path_str</span> <span class="o">=</span> <span class="s">""</span>
|
||||
<span class="k">if</span> <span class="nb">round</span> <span class="ow">is</span> <span class="bp">False</span><span class="p">:</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="s">'</span><span class="si">%f</span><span class="s">,</span><span class="si">%f</span><span class="s">'</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="s">'%.'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="nb">round</span><span class="p">)</span> <span class="o">+</span> <span class="s">'f'</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="n">fmt</span> <span class="o">+</span> <span class="s">','</span> <span class="o">+</span> <span class="n">fmt</span>
|
||||
|
||||
<span class="k">for</span> <span class="n">points</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">:</span>
|
||||
<span class="n">path_str</span> <span class="o">+=</span> <span class="s">"M "</span>
|
||||
<span class="n">pts</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">points</span><span class="p">:</span>
|
||||
<span class="n">pts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">fmt</span> <span class="o">%</span> <span class="p">(</span><span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">]))</span>
|
||||
<span class="n">path_str</span> <span class="o">+=</span> <span class="s">'L '</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span>
|
||||
|
||||
<span class="n">path</span> <span class="o">=</span> <span class="n">svg</span><span class="o">.</span><span class="n">node</span><span class="p">(</span><span class="s">'path'</span><span class="p">,</span> <span class="n">d</span><span class="o">=</span><span class="n">path_str</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">path</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-11'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-11'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">crop_to</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">geom</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-12'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-12'>#</a>
|
||||
</div>
|
||||
<p>skip</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">return</span> <span class="bp">self</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-13'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-13'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">is_empty</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-14'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-14'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">unify</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">point_store</span><span class="p">,</span> <span class="n">precision</span><span class="p">):</span>
|
||||
<span class="kn">from</span> <span class="nn">kartograph.simplify</span> <span class="kn">import</span> <span class="n">unify_polygon</span>
|
||||
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">)):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">unify_polygon</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="n">point_store</span><span class="p">,</span> <span class="n">precision</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-15'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-15'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">points</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-16'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-16'>#</a>
|
||||
</div>
|
||||
<p>is called after the points of this geometry have been
|
||||
changed from outside this class</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">update</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-17'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-17'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">pass</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-18'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-18'>#</a>
|
||||
</div>
|
||||
<p>simple line (= list of points)</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">class</span> <span class="nc">Line</span><span class="p">(</span><span class="n">Geometry</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-19'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-19'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">points</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">pts</span> <span class="o">=</span> <span class="n">points</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-20'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-20'>#</a>
|
||||
</div>
|
||||
<p>returns the bounding box of the line</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">bbox</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-21'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-21'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">bbox</span> <span class="o">=</span> <span class="n">BBox</span><span class="p">()</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">pts</span><span class="p">:</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">pt</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">bbox</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-22'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-22'>#</a>
|
||||
</div>
|
||||
<p>projects the line to a map projection</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">proj</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-23'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-23'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">pts</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">pts</span><span class="p">:</span>
|
||||
<span class="n">p</span> <span class="o">=</span> <span class="n">proj</span><span class="o">.</span><span class="n">project</span><span class="p">(</span><span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
|
||||
<span class="k">if</span> <span class="n">p</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
|
||||
<span class="n">pts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">p</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">Line</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-24'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-24'>#</a>
|
||||
</div>
|
||||
<p>transforms the line to a new view</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project_view</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">view</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-25'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-25'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">pts</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">pts</span><span class="p">:</span>
|
||||
<span class="n">p</span> <span class="o">=</span> <span class="n">view</span><span class="o">.</span><span class="n">project</span><span class="p">(</span><span class="n">pt</span><span class="p">)</span>
|
||||
<span class="n">pts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">p</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">Line</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-26'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-26'>#</a>
|
||||
</div>
|
||||
<p>constructs a svg representation of this line</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">to_svg</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">svg</span><span class="p">,</span> <span class="nb">round</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-27'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-27'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">path_str</span> <span class="o">=</span> <span class="s">""</span>
|
||||
<span class="k">if</span> <span class="nb">round</span> <span class="ow">is</span> <span class="bp">False</span><span class="p">:</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="s">'</span><span class="si">%f</span><span class="s">,</span><span class="si">%f</span><span class="s">'</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="s">'%.'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="nb">round</span><span class="p">)</span> <span class="o">+</span> <span class="s">'f'</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="n">fmt</span> <span class="o">+</span> <span class="s">','</span> <span class="o">+</span> <span class="n">fmt</span>
|
||||
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">pts</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="n">path_str</span> <span class="o">==</span> <span class="s">""</span><span class="p">:</span>
|
||||
<span class="n">path_str</span> <span class="o">=</span> <span class="s">"M"</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">path_str</span> <span class="o">+=</span> <span class="s">"L"</span>
|
||||
<span class="n">path_str</span> <span class="o">+=</span> <span class="n">fmt</span> <span class="o">%</span> <span class="p">(</span><span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
|
||||
|
||||
<span class="n">path</span> <span class="o">=</span> <span class="n">svg</span><span class="o">.</span><span class="n">node</span><span class="p">(</span><span class="s">'path'</span><span class="p">,</span> <span class="n">d</span><span class="o">=</span><span class="n">path_str</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">path</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-28'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-28'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">crop_to</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">geom</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-29'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-29'>#</a>
|
||||
</div>
|
||||
<p>skip</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">return</span> <span class="bp">self</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-30'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-30'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">is_empty</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">pts</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-31'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-31'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">unify</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">point_store</span><span class="p">,</span> <span class="n">precision</span><span class="p">):</span>
|
||||
<span class="kn">from</span> <span class="nn">kartograph.simplify</span> <span class="kn">import</span> <span class="n">unify_polygon</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">pts</span> <span class="o">=</span> <span class="n">unify_polygon</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">pts</span><span class="p">,</span> <span class="n">point_store</span><span class="p">,</span> <span class="n">precision</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-32'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-32'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">points</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">pts</span><span class="p">]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-33'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-33'>#</a>
|
||||
</div>
|
||||
<p>is called after the points of this geometry have been
|
||||
changed from outside this class</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">update</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-34'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-34'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">pass</span>
|
||||
|
||||
</pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
</div>
|
||||
</body>
|
||||
141
source/geometry/point.html
Normal file
141
source/geometry/point.html
Normal file
@@ -0,0 +1,141 @@
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="content-type" content="text/html;charset=utf-8">
|
||||
<title>point.py</title>
|
||||
<link rel="stylesheet" href="../pycco.css">
|
||||
</head>
|
||||
<body>
|
||||
<div id="background"></div>
|
||||
<div id='container'>
|
||||
<div class='section'>
|
||||
<div class='docs'><h1>point.py</h1></div>
|
||||
</div>
|
||||
<div class='clearall'>
|
||||
<div class='section' id='section-0'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-0'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-1'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-1'>#</a>
|
||||
</div>
|
||||
<p>base class for points, used by line and bbox</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">class</span> <span class="nc">Point</span><span class="p">():</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-2'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-2'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-3'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-3'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="n">x</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">y</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-4'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-4'>#</a>
|
||||
</div>
|
||||
<p>emulate python's container types</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">proj</span><span class="p">):</span>
|
||||
<span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">)</span> <span class="o">=</span> <span class="n">proj</span><span class="o">.</span><span class="n">project</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="n">x</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">y</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-5'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-5'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="mi">2</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-6'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-6'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">k</span><span class="p">):</span>
|
||||
<span class="n">pt</span> <span class="o">=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">pt</span><span class="p">[</span><span class="n">k</span><span class="p">]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-7'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-7'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">k</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="n">k</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="n">value</span>
|
||||
<span class="k">elif</span> <span class="n">k</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">value</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="k">raise</span> <span class="ne">IndexError</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-8'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-8'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__delitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s">'deletion not supported'</span><span class="p">)</span>
|
||||
|
||||
</pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
</div>
|
||||
</body>
|
||||
625
source/geometry/polygon.html
Normal file
625
source/geometry/polygon.html
Normal file
@@ -0,0 +1,625 @@
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="content-type" content="text/html;charset=utf-8">
|
||||
<title>polygon.py</title>
|
||||
<link rel="stylesheet" href="../pycco.css">
|
||||
</head>
|
||||
<body>
|
||||
<div id="background"></div>
|
||||
<div id='container'>
|
||||
<div class='section'>
|
||||
<div class='docs'><h1>polygon.py</h1></div>
|
||||
</div>
|
||||
<div class='clearall'>
|
||||
<div class='section' id='section-0'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-0'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="kn">from</span> <span class="nn">geometry</span> <span class="kn">import</span> <span class="o">*</span>
|
||||
<span class="kn">from</span> <span class="nn">bbox</span> <span class="kn">import</span> <span class="n">BBox</span>
|
||||
<span class="kn">import</span> <span class="nn">utils</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-1'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-1'>#</a>
|
||||
</div>
|
||||
<p>DEPRECATED! we use shapely.geometry.MultiPolygon instead</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-2'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-2'>#</a>
|
||||
</div>
|
||||
<p>Complex polygons</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">class</span> <span class="nc">MultiPolygon</span><span class="p">(</span><span class="n">SolidGeometry</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-3'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-3'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-4'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-4'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">contours</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__area</span> <span class="o">=</span> <span class="bp">None</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__areas</span> <span class="o">=</span> <span class="bp">None</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__centroid</span> <span class="o">=</span> <span class="bp">None</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">apply_contours</span><span class="p">(</span><span class="n">contours</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-5'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-5'>#</a>
|
||||
</div>
|
||||
<p>constructs a Polygon from contours</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="nd">@staticmethod</span>
|
||||
<span class="k">def</span> <span class="nf">fromPoly</span><span class="p">(</span><span class="n">poly</span><span class="p">):</span>
|
||||
<span class="n">contours</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">poly</span><span class="p">)):</span>
|
||||
<span class="n">pts</span> <span class="o">=</span> <span class="n">poly</span><span class="o">.</span><span class="n">contour</span><span class="p">(</span><span class="n">i</span><span class="p">)</span>
|
||||
<span class="n">contours</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">MultiPolygon</span><span class="p">(</span><span class="n">contours</span><span class="p">)</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">apply_contours</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">contours</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-6'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-6'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span> <span class="o">=</span> <span class="n">contours</span>
|
||||
<span class="kn">from</span> <span class="nn">Polygon</span> <span class="kn">import</span> <span class="n">Polygon</span> <span class="k">as</span> <span class="n">GPCPoly</span>
|
||||
<span class="n">poly</span> <span class="o">=</span> <span class="n">GPCPoly</span><span class="p">()</span>
|
||||
<span class="n">skip</span> <span class="o">=</span> <span class="mi">0</span>
|
||||
<span class="k">for</span> <span class="n">pts_</span> <span class="ow">in</span> <span class="n">contours</span><span class="p">:</span>
|
||||
<span class="n">pts</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">pts_</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="s">'deleted'</span> <span class="ow">in</span> <span class="n">pt</span> <span class="ow">and</span> <span class="n">pt</span><span class="o">.</span><span class="n">deleted</span> <span class="ow">is</span> <span class="bp">True</span><span class="p">:</span>
|
||||
<span class="n">skip</span> <span class="o">+=</span> <span class="mi">1</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="n">pts</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">]))</span>
|
||||
<span class="n">ishole</span> <span class="o">=</span> <span class="n">utils</span><span class="o">.</span><span class="n">is_clockwise</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span>
|
||||
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span> <span class="o">></span> <span class="mi">2</span><span class="p">:</span>
|
||||
<span class="n">poly</span><span class="o">.</span><span class="n">addContour</span><span class="p">(</span><span class="n">pts</span><span class="p">,</span> <span class="n">ishole</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">poly</span> <span class="o">=</span> <span class="n">poly</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-7'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-7'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">area</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">__area</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__area</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__area</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="o">.</span><span class="n">area</span><span class="p">()</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__area</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-8'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-8'>#</a>
|
||||
</div>
|
||||
<p>returns array of areas of all sub-polygons areas of holes are < 0</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">areas</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-9'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-9'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">__areas</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__areas</span>
|
||||
<span class="n">a</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="p">)):</span>
|
||||
<span class="n">t</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="o">.</span><span class="n">area</span><span class="p">(</span><span class="n">i</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="o">.</span><span class="n">isHole</span><span class="p">(</span><span class="n">i</span><span class="p">):</span>
|
||||
<span class="n">t</span> <span class="o">*=</span> <span class="o">-</span><span class="mi">1</span>
|
||||
<span class="n">a</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">t</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__areas</span> <span class="o">=</span> <span class="n">a</span>
|
||||
<span class="k">return</span> <span class="n">a</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-10'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-10'>#</a>
|
||||
</div>
|
||||
<p>returns the center of gravity for this polygon</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">centroid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-11'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-11'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">__centroid</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__centroid</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__centroid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="o">.</span><span class="n">center</span><span class="p">()</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__centroid</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-12'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-12'>#</a>
|
||||
</div>
|
||||
<p>smart bounding box</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">bbox</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">min_area</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-13'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-13'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">bb</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="n">bbox</span> <span class="o">=</span> <span class="n">BBox</span><span class="p">()</span>
|
||||
<span class="k">if</span> <span class="n">min_area</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="n">bb</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="o">.</span><span class="n">boundingBox</span><span class="p">())</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">areas</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">areas</span><span class="p">()</span>
|
||||
<span class="n">max_a</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">areas</span><span class="p">)</span>
|
||||
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="p">)):</span>
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="o">.</span><span class="n">isHole</span><span class="p">(</span><span class="n">i</span><span class="p">):</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="n">a</span> <span class="o">=</span> <span class="n">areas</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
|
||||
<span class="k">if</span> <span class="n">a</span> <span class="o"><</span> <span class="n">max_a</span> <span class="o">*</span> <span class="n">min_area</span><span class="p">:</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="n">bb</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="o">.</span><span class="n">boundingBox</span><span class="p">(</span><span class="n">i</span><span class="p">))</span>
|
||||
<span class="k">for</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">bb</span><span class="p">:</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">((</span><span class="n">b</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">b</span><span class="p">[</span><span class="mi">2</span><span class="p">]))</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">((</span><span class="n">b</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">b</span><span class="p">[</span><span class="mi">2</span><span class="p">]))</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">((</span><span class="n">b</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">b</span><span class="p">[</span><span class="mi">3</span><span class="p">]))</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">((</span><span class="n">b</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">b</span><span class="p">[</span><span class="mi">3</span><span class="p">]))</span>
|
||||
<span class="k">return</span> <span class="n">bbox</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-14'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-14'>#</a>
|
||||
</div>
|
||||
<p>returns a new multi-polygon whose contours are
|
||||
projected to a map projection</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">proj</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-15'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-15'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">in_contours</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span>
|
||||
<span class="n">out_contours</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pts</span> <span class="ow">in</span> <span class="n">in_contours</span><span class="p">:</span>
|
||||
<span class="n">pcont</span> <span class="o">=</span> <span class="n">proj</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="n">pcont</span> <span class="o">!=</span> <span class="bp">None</span><span class="p">:</span>
|
||||
<span class="n">out_contours</span> <span class="o">+=</span> <span class="n">pcont</span>
|
||||
<span class="k">return</span> <span class="n">MultiPolygon</span><span class="p">(</span><span class="n">out_contours</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-16'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-16'>#</a>
|
||||
</div>
|
||||
<p>returns a new multi-polygon whose contours are
|
||||
projected to a new view</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project_view</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">view</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-17'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-17'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">contours</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span>
|
||||
<span class="n">out</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">contour</span> <span class="ow">in</span> <span class="n">contours</span><span class="p">:</span>
|
||||
<span class="n">out_c</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">contour</span><span class="p">:</span>
|
||||
<span class="n">pt</span> <span class="o">=</span> <span class="n">view</span><span class="o">.</span><span class="n">project</span><span class="p">(</span><span class="n">pt</span><span class="p">)</span>
|
||||
<span class="n">out_c</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pt</span><span class="p">)</span>
|
||||
<span class="n">out</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">out_c</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">contours</span> <span class="o">=</span> <span class="n">out</span>
|
||||
<span class="n">out_poly</span> <span class="o">=</span> <span class="n">MultiPolygon</span><span class="p">(</span><span class="n">out</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">out_poly</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-18'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-18'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">crop_to</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">view_bounds</span><span class="p">):</span>
|
||||
<span class="n">poly</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">poly</span> <span class="o">&</span> <span class="n">view_bounds</span><span class="o">.</span><span class="n">poly</span>
|
||||
<span class="k">return</span> <span class="n">MultiPolygon</span><span class="o">.</span><span class="n">fromPoly</span><span class="p">(</span><span class="n">poly</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-19'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-19'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">substract_geom</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">geom</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">geom</span><span class="p">,</span> <span class="n">MultiPolygon</span><span class="p">):</span>
|
||||
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s">'substraction is allowed for polygons only, yet'</span><span class="p">)</span>
|
||||
<span class="n">poly</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">poly</span> <span class="o">-</span> <span class="n">geom</span><span class="o">.</span><span class="n">poly</span>
|
||||
<span class="k">return</span> <span class="n">MultiPolygon</span><span class="o">.</span><span class="n">fromPoly</span><span class="p">(</span><span class="n">poly</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-20'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-20'>#</a>
|
||||
</div>
|
||||
<p>constructs a svg representation of this polygon</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">to_svg</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">svg</span><span class="p">,</span> <span class="nb">round</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-21'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-21'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">path_str</span> <span class="o">=</span> <span class="s">""</span>
|
||||
<span class="k">if</span> <span class="nb">round</span> <span class="ow">is</span> <span class="bp">False</span><span class="p">:</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="s">'</span><span class="si">%f</span><span class="s">,</span><span class="si">%f</span><span class="s">'</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="s">'%.'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="nb">round</span><span class="p">)</span> <span class="o">+</span> <span class="s">'f'</span>
|
||||
<span class="n">fmt</span> <span class="o">=</span> <span class="n">fmt</span> <span class="o">+</span> <span class="s">','</span> <span class="o">+</span> <span class="n">fmt</span>
|
||||
|
||||
<span class="k">for</span> <span class="n">pts</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">:</span>
|
||||
<span class="n">cont_str</span> <span class="o">=</span> <span class="s">""</span>
|
||||
<span class="n">kept</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">pts</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="s">'deleted'</span> <span class="ow">in</span> <span class="n">pt</span> <span class="ow">and</span> <span class="n">pt</span><span class="o">.</span><span class="n">deleted</span> <span class="ow">is</span> <span class="bp">True</span><span class="p">:</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="n">kept</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pt</span><span class="p">)</span>
|
||||
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">kept</span><span class="p">)</span> <span class="o"><=</span> <span class="mi">3</span><span class="p">:</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">kept</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="n">cont_str</span> <span class="o">==</span> <span class="s">""</span><span class="p">:</span>
|
||||
<span class="n">cont_str</span> <span class="o">=</span> <span class="s">"M"</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">cont_str</span> <span class="o">+=</span> <span class="s">"L"</span>
|
||||
<span class="n">cont_str</span> <span class="o">+=</span> <span class="n">fmt</span> <span class="o">%</span> <span class="n">pt</span>
|
||||
<span class="n">cont_str</span> <span class="o">+=</span> <span class="s">"Z "</span>
|
||||
<span class="n">path_str</span> <span class="o">+=</span> <span class="n">cont_str</span>
|
||||
|
||||
<span class="k">if</span> <span class="n">path_str</span> <span class="o">==</span> <span class="s">""</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="bp">None</span>
|
||||
|
||||
<span class="n">path</span> <span class="o">=</span> <span class="n">svg</span><span class="o">.</span><span class="n">node</span><span class="p">(</span><span class="s">'path'</span><span class="p">,</span> <span class="n">d</span><span class="o">=</span><span class="n">path_str</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">path</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-22'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-22'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">is_empty</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-23'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-23'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">unify</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">point_store</span><span class="p">,</span> <span class="n">precision</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
|
||||
<span class="kn">from</span> <span class="nn">kartograph.simplify</span> <span class="kn">import</span> <span class="n">unify_polygons</span>
|
||||
<span class="n">contours</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span>
|
||||
<span class="n">contours</span> <span class="o">=</span> <span class="n">unify_polygons</span><span class="p">(</span><span class="n">contours</span><span class="p">,</span> <span class="n">point_store</span><span class="p">,</span> <span class="n">precision</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">apply_contours</span><span class="p">(</span><span class="n">contours</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-24'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-24'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">points</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">contours</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-25'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-25'>#</a>
|
||||
</div>
|
||||
<p>is called after the points of this geometry are
|
||||
changed from outside this class</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">update</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-26'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-26'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="bp">self</span><span class="o">.</span><span class="n">apply_contours</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">contours</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-27'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-27'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">to_kml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">round</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
|
||||
<span class="kn">from</span> <span class="nn">pykml.factory</span> <span class="kn">import</span> <span class="n">KML_ElementMaker</span> <span class="k">as</span> <span class="n">KML</span>
|
||||
<span class="n">poly</span> <span class="o">=</span> <span class="n">KML</span><span class="o">.</span><span class="n">Polygon</span><span class="p">(</span>
|
||||
<span class="n">KML</span><span class="o">.</span><span class="n">tesselate</span><span class="p">(</span><span class="s">"1"</span><span class="p">)</span>
|
||||
<span class="p">)</span>
|
||||
<span class="n">outer</span> <span class="o">=</span> <span class="n">KML</span><span class="o">.</span><span class="n">outerBoundaryIs</span><span class="p">()</span>
|
||||
<span class="n">inner</span> <span class="o">=</span> <span class="n">KML</span><span class="o">.</span><span class="n">innerBoundaryIs</span><span class="p">()</span>
|
||||
<span class="n">has_inner</span> <span class="o">=</span> <span class="bp">False</span>
|
||||
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="p">)):</span>
|
||||
<span class="n">cnt</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">poly</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
|
||||
<span class="n">coords</span> <span class="o">=</span> <span class="s">''</span>
|
||||
<span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">cnt</span><span class="p">:</span>
|
||||
<span class="n">coords</span> <span class="o">+=</span> <span class="s">','</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">p</span><span class="p">))</span> <span class="o">+</span> <span class="s">' '</span>
|
||||
<span class="n">ring</span> <span class="o">=</span> <span class="n">KML</span><span class="o">.</span><span class="n">LinearRing</span><span class="p">(</span>
|
||||
<span class="n">KML</span><span class="o">.</span><span class="n">coordinates</span><span class="p">(</span><span class="n">coords</span><span class="p">)</span>
|
||||
<span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-28'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-28'>#</a>
|
||||
</div>
|
||||
<p>hole = self.poly.isHole(i)
|
||||
if hole == False:</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">outer</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ring</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-29'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-29'>#</a>
|
||||
</div>
|
||||
<p>else:
|
||||
inner.append(ring)
|
||||
has_inner = True</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">poly</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">outer</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="n">has_inner</span><span class="p">:</span>
|
||||
<span class="n">poly</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">inner</span><span class="p">)</span>
|
||||
|
||||
<span class="k">return</span> <span class="n">poly</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-30'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-30'>#</a>
|
||||
</div>
|
||||
<p>splits the geometry into several line segments</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">to_line_segments</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-31'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-31'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="bp">self</span><span class="o">.</span><span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-32'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-32'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">from_line_segments</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-33'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-33'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">class</span> <span class="nc">Polygon</span><span class="p">(</span><span class="n">SolidGeometry</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-34'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-34'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">points</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__area</span> <span class="o">=</span> <span class="bp">None</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__centroid</span> <span class="o">=</span> <span class="bp">None</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">points</span> <span class="o">=</span> <span class="n">points</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-35'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-35'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">area</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">__area</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__area</span>
|
||||
<span class="n">a</span> <span class="o">=</span> <span class="mi">0</span>
|
||||
<span class="n">pts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">points</span>
|
||||
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">):</span>
|
||||
<span class="n">p0</span> <span class="o">=</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
|
||||
<span class="n">p1</span> <span class="o">=</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">]</span>
|
||||
<span class="n">a</span> <span class="o">+=</span> <span class="n">p0</span><span class="o">.</span><span class="n">x</span> <span class="o">*</span> <span class="n">p1</span><span class="o">.</span><span class="n">y</span> <span class="o">-</span> <span class="n">p1</span><span class="o">.</span><span class="n">x</span> <span class="o">*</span> <span class="n">p0</span><span class="o">.</span><span class="n">y</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">__area</span> <span class="o">=</span> <span class="nb">abs</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="o">*</span> <span class="o">.</span><span class="mi">5</span>
|
||||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__area</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-36'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-36'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">proj</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">invalidate</span><span class="p">()</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">points</span> <span class="o">=</span> <span class="n">proj</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">points</span><span class="p">)</span>
|
||||
|
||||
</pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
</div>
|
||||
</body>
|
||||
196
source/geometry/utils.html
Normal file
196
source/geometry/utils.html
Normal file
@@ -0,0 +1,196 @@
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="content-type" content="text/html;charset=utf-8">
|
||||
<title>utils.py</title>
|
||||
<link rel="stylesheet" href="../pycco.css">
|
||||
</head>
|
||||
<body>
|
||||
<div id="background"></div>
|
||||
<div id='container'>
|
||||
<div class='section'>
|
||||
<div class='docs'><h1>utils.py</h1></div>
|
||||
</div>
|
||||
<div class='clearall'>
|
||||
<div class='section' id='section-0'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-0'>#</a>
|
||||
</div>
|
||||
<p>geometry utils</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-1'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-1'>#</a>
|
||||
</div>
|
||||
<p>returns true if a given linear ring is in clockwise order</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">def</span> <span class="nf">is_clockwise</span><span class="p">(</span><span class="n">pts</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-2'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-2'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">s</span> <span class="o">=</span> <span class="mi">0</span>
|
||||
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">pts</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="s">'x'</span> <span class="ow">in</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span><span class="p">]:</span>
|
||||
<span class="n">x1</span> <span class="o">=</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">x</span>
|
||||
<span class="n">y1</span> <span class="o">=</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">y</span>
|
||||
<span class="n">x2</span> <span class="o">=</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">x</span>
|
||||
<span class="n">y2</span> <span class="o">=</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">y</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">x1</span><span class="p">,</span> <span class="n">y1</span> <span class="o">=</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
|
||||
<span class="n">x2</span><span class="p">,</span> <span class="n">y2</span> <span class="o">=</span> <span class="n">pts</span><span class="p">[</span><span class="n">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">]</span>
|
||||
<span class="n">s</span> <span class="o">+=</span> <span class="p">(</span><span class="n">x2</span> <span class="o">-</span> <span class="n">x1</span><span class="p">)</span> <span class="o">*</span> <span class="p">(</span><span class="n">y2</span> <span class="o">+</span> <span class="n">y1</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="n">s</span> <span class="o">>=</span> <span class="mi">0</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-3'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-3'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">def</span> <span class="nf">bbox_to_polygon</span><span class="p">(</span><span class="n">bbox</span><span class="p">):</span>
|
||||
<span class="kn">from</span> <span class="nn">shapely.geometry</span> <span class="kn">import</span> <span class="n">Polygon</span>
|
||||
<span class="n">s</span> <span class="o">=</span> <span class="n">bbox</span>
|
||||
<span class="n">poly</span> <span class="o">=</span> <span class="n">Polygon</span><span class="p">([(</span><span class="n">s</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">bottom</span><span class="p">),</span> <span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">top</span><span class="p">),</span> <span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">top</span><span class="p">),</span> <span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">bottom</span><span class="p">)])</span>
|
||||
<span class="k">return</span> <span class="n">poly</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-4'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-4'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">def</span> <span class="nf">geom_to_bbox</span><span class="p">(</span><span class="n">geom</span><span class="p">,</span> <span class="n">min_area</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
|
||||
<span class="kn">from</span> <span class="nn">kartograph.geometry</span> <span class="kn">import</span> <span class="n">BBox</span>
|
||||
<span class="kn">from</span> <span class="nn">shapely.geometry</span> <span class="kn">import</span> <span class="n">MultiPolygon</span>
|
||||
<span class="k">if</span> <span class="bp">True</span> <span class="ow">or</span> <span class="n">min_area</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">geom</span><span class="p">,</span> <span class="n">MultiPolygon</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-5'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-5'>#</a>
|
||||
</div>
|
||||
<p>if no minimum area ratio is set or the geometry
|
||||
is not a multipart geometry, we simply use the
|
||||
full bbox</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">minx</span><span class="p">,</span> <span class="n">miny</span><span class="p">,</span> <span class="n">maxx</span><span class="p">,</span> <span class="n">maxy</span> <span class="o">=</span> <span class="n">geom</span><span class="o">.</span><span class="n">bounds</span>
|
||||
<span class="k">return</span> <span class="n">BBox</span><span class="p">(</span><span class="n">width</span><span class="o">=</span><span class="n">maxx</span> <span class="o">-</span> <span class="n">minx</span><span class="p">,</span> <span class="n">height</span><span class="o">=</span><span class="n">maxy</span> <span class="o">-</span> <span class="n">miny</span><span class="p">,</span> <span class="n">left</span><span class="o">=</span><span class="n">minx</span><span class="p">,</span> <span class="n">top</span><span class="o">=</span><span class="n">miny</span><span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-6'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-6'>#</a>
|
||||
</div>
|
||||
<p>for multipart geometry we use only the bbox of
|
||||
the 'biggest' sub-geometries, depending on min_area</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">bbox</span> <span class="o">=</span> <span class="n">BBox</span><span class="p">()</span>
|
||||
<span class="n">areas</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="n">bb</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">polygon</span> <span class="ow">in</span> <span class="n">geom</span><span class="o">.</span><span class="n">geoms</span><span class="p">:</span>
|
||||
<span class="n">areas</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">polygon</span><span class="o">.</span><span class="n">area</span><span class="p">)</span>
|
||||
<span class="n">max_a</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">areas</span><span class="p">)</span>
|
||||
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">geom</span><span class="o">.</span><span class="n">geoms</span><span class="p">)):</span>
|
||||
<span class="n">a</span> <span class="o">=</span> <span class="n">areas</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
|
||||
<span class="k">if</span> <span class="n">a</span> <span class="o"><</span> <span class="n">max_a</span> <span class="o">*</span> <span class="n">min_area</span><span class="p">:</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-7'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-7'>#</a>
|
||||
</div>
|
||||
<p>ignore this sub polygon since it is too small</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">continue</span>
|
||||
<span class="n">bb</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">geom</span><span class="o">.</span><span class="n">geoms</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">bounds</span><span class="p">)</span>
|
||||
<span class="k">for</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">bb</span><span class="p">:</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">((</span><span class="n">b</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">b</span><span class="p">[</span><span class="mi">2</span><span class="p">]))</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">((</span><span class="n">b</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">b</span><span class="p">[</span><span class="mi">2</span><span class="p">]))</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">((</span><span class="n">b</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">b</span><span class="p">[</span><span class="mi">3</span><span class="p">]))</span>
|
||||
<span class="n">bbox</span><span class="o">.</span><span class="n">update</span><span class="p">((</span><span class="n">b</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">b</span><span class="p">[</span><span class="mi">3</span><span class="p">]))</span>
|
||||
<span class="k">return</span> <span class="n">bbox</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-8'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-8'>#</a>
|
||||
</div>
|
||||
<p>joins polygonal features</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">def</span> <span class="nf">join_features</span><span class="p">(</span><span class="n">features</span><span class="p">,</span> <span class="n">props</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-9'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-9'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="kn">from</span> <span class="nn">feature</span> <span class="kn">import</span> <span class="n">MultiPolygonFeature</span>
|
||||
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">features</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">features</span>
|
||||
|
||||
<span class="n">joined</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="n">polygons</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
|
||||
<span class="k">for</span> <span class="n">feat</span> <span class="ow">in</span> <span class="n">features</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">feat</span><span class="p">,</span> <span class="n">MultiPolygonFeature</span><span class="p">):</span>
|
||||
<span class="n">polygons</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">feat</span><span class="o">.</span><span class="n">geom</span><span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">joined</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">feat</span><span class="p">)</span> <span class="c"># cannot join this</span>
|
||||
|
||||
<span class="n">polygons</span> <span class="o">=</span> <span class="nb">filter</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">x</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">,</span> <span class="n">polygons</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">polygons</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="n">poly</span> <span class="o">=</span> <span class="n">polygons</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="k">for</span> <span class="n">poly2</span> <span class="ow">in</span> <span class="n">polygons</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span>
|
||||
<span class="n">poly</span> <span class="o">=</span> <span class="n">poly</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">poly2</span><span class="p">)</span>
|
||||
<span class="n">joined</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">MultiPolygonFeature</span><span class="p">(</span><span class="n">poly</span><span class="p">,</span> <span class="n">props</span><span class="p">))</span>
|
||||
<span class="k">return</span> <span class="n">joined</span>
|
||||
|
||||
</pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
</div>
|
||||
</body>
|
||||
226
source/geometry/view.html
Normal file
226
source/geometry/view.html
Normal file
@@ -0,0 +1,226 @@
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="content-type" content="text/html;charset=utf-8">
|
||||
<title>view.py</title>
|
||||
<link rel="stylesheet" href="../pycco.css">
|
||||
</head>
|
||||
<body>
|
||||
<div id="background"></div>
|
||||
<div id='container'>
|
||||
<div class='section'>
|
||||
<div class='docs'><h1>view.py</h1></div>
|
||||
</div>
|
||||
<div class='clearall'>
|
||||
<div class='section' id='section-0'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-0'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="kn">from</span> <span class="nn">shapely.geometry</span> <span class="kn">import</span> <span class="n">Polygon</span><span class="p">,</span> <span class="n">MultiPolygon</span><span class="p">,</span> <span class="n">LineString</span><span class="p">,</span> <span class="n">MultiLineString</span><span class="p">,</span> <span class="n">MultiPoint</span><span class="p">,</span> <span class="n">Point</span>
|
||||
<span class="kn">from</span> <span class="nn">kartograph.errors</span> <span class="kn">import</span> <span class="n">KartographError</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-1'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-1'>#</a>
|
||||
</div>
|
||||
<p>translates a point to a view</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre><span class="k">class</span> <span class="nc">View</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-2'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-2'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bbox</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">width</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">height</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">padding</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">bbox</span> <span class="o">=</span> <span class="n">bbox</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="n">width</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">padding</span> <span class="o">=</span> <span class="n">padding</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="n">height</span>
|
||||
<span class="k">if</span> <span class="n">bbox</span><span class="p">:</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">scale</span> <span class="o">=</span> <span class="nb">min</span><span class="p">((</span><span class="n">width</span> <span class="o">-</span> <span class="n">padding</span> <span class="o">*</span> <span class="mi">2</span><span class="p">)</span> <span class="o">/</span> <span class="n">bbox</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="p">(</span><span class="n">height</span> <span class="o">-</span> <span class="n">padding</span> <span class="o">*</span> <span class="mi">2</span><span class="p">)</span> <span class="o">/</span> <span class="n">bbox</span><span class="o">.</span><span class="n">height</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-3'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-3'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pt</span><span class="p">):</span>
|
||||
<span class="n">bbox</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">bbox</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="n">bbox</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">pt</span>
|
||||
<span class="n">s</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scale</span>
|
||||
<span class="n">h</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span>
|
||||
<span class="n">w</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">width</span>
|
||||
<span class="n">px</span> <span class="o">=</span> <span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="n">py</span> <span class="o">=</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
|
||||
<span class="n">x</span> <span class="o">=</span> <span class="p">(</span><span class="n">px</span> <span class="o">-</span> <span class="n">bbox</span><span class="o">.</span><span class="n">left</span><span class="p">)</span> <span class="o">*</span> <span class="n">s</span> <span class="o">+</span> <span class="p">(</span><span class="n">w</span> <span class="o">-</span> <span class="n">bbox</span><span class="o">.</span><span class="n">width</span> <span class="o">*</span> <span class="n">s</span><span class="p">)</span> <span class="o">*</span> <span class="o">.</span><span class="mi">5</span>
|
||||
<span class="n">y</span> <span class="o">=</span> <span class="p">(</span><span class="n">py</span> <span class="o">-</span> <span class="n">bbox</span><span class="o">.</span><span class="n">top</span><span class="p">)</span> <span class="o">*</span> <span class="n">s</span> <span class="o">+</span> <span class="p">(</span><span class="n">h</span> <span class="o">-</span> <span class="n">bbox</span><span class="o">.</span><span class="n">height</span> <span class="o">*</span> <span class="n">s</span><span class="p">)</span> <span class="o">*</span> <span class="o">.</span><span class="mi">5</span>
|
||||
<span class="k">return</span> <span class="p">((</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">),</span> <span class="n">Point</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">))[</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">pt</span><span class="p">,</span> <span class="n">Point</span><span class="p">)]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-4'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-4'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project_inverse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pt</span><span class="p">):</span>
|
||||
<span class="n">bbox</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">bbox</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="n">bbox</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">pt</span>
|
||||
<span class="n">s</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scale</span>
|
||||
<span class="n">h</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span>
|
||||
<span class="n">w</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">width</span>
|
||||
<span class="n">x</span> <span class="o">=</span> <span class="n">pt</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="n">y</span> <span class="o">=</span> <span class="n">pt</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
|
||||
<span class="n">px</span> <span class="o">=</span> <span class="p">(</span><span class="n">x</span> <span class="o">-</span> <span class="p">(</span><span class="n">w</span> <span class="o">-</span> <span class="n">bbox</span><span class="o">.</span><span class="n">width</span> <span class="o">*</span> <span class="n">s</span><span class="p">)</span> <span class="o">*</span> <span class="o">.</span><span class="mi">5</span><span class="p">)</span> <span class="o">/</span> <span class="n">s</span> <span class="o">+</span> <span class="n">bbox</span><span class="o">.</span><span class="n">left</span>
|
||||
<span class="n">py</span> <span class="o">=</span> <span class="p">(</span><span class="n">y</span> <span class="o">-</span> <span class="p">(</span><span class="n">h</span> <span class="o">-</span> <span class="n">bbox</span><span class="o">.</span><span class="n">height</span> <span class="o">*</span> <span class="n">s</span><span class="p">)</span> <span class="o">*</span> <span class="o">.</span><span class="mi">5</span><span class="p">)</span> <span class="o">/</span> <span class="n">s</span> <span class="o">+</span> <span class="n">bbox</span><span class="o">.</span><span class="n">top</span>
|
||||
<span class="k">return</span> <span class="p">((</span><span class="n">px</span><span class="p">,</span> <span class="n">py</span><span class="p">),</span> <span class="n">Point</span><span class="p">(</span><span class="n">px</span><span class="p">,</span> <span class="n">py</span><span class="p">))[</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">pt</span><span class="p">,</span> <span class="n">Point</span><span class="p">)]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-5'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-5'>#</a>
|
||||
</div>
|
||||
<p>converts the given geometry to the view coordinates</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project_geometry</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">geometry</span><span class="p">):</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-6'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-6'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="n">geometries</span> <span class="o">=</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">geometry</span><span class="p">,</span> <span class="s">'geoms'</span><span class="p">)</span> <span class="ow">and</span> <span class="n">geometry</span><span class="o">.</span><span class="n">geoms</span> <span class="ow">or</span> <span class="p">[</span><span class="n">geometry</span><span class="p">]</span>
|
||||
<span class="n">res</span> <span class="o">=</span> <span class="p">[]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-7'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-7'>#</a>
|
||||
</div>
|
||||
<p>at first shift polygons
|
||||
geometries = []
|
||||
for geom in unshifted_geometries:
|
||||
geometries += self._shift_polygon(geom)</p>
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">for</span> <span class="n">geom</span> <span class="ow">in</span> <span class="n">geometries</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">geom</span><span class="p">,</span> <span class="n">Polygon</span><span class="p">):</span>
|
||||
<span class="n">res</span> <span class="o">+=</span> <span class="bp">self</span><span class="o">.</span><span class="n">project_polygon</span><span class="p">(</span><span class="n">geom</span><span class="p">)</span>
|
||||
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">geom</span><span class="p">,</span> <span class="n">LineString</span><span class="p">):</span>
|
||||
<span class="n">rings</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">project_linear_ring</span><span class="p">(</span><span class="n">geom</span><span class="o">.</span><span class="n">coords</span><span class="p">)</span>
|
||||
<span class="n">res</span> <span class="o">+=</span> <span class="nb">map</span><span class="p">(</span><span class="n">LineString</span><span class="p">,</span> <span class="n">rings</span><span class="p">)</span>
|
||||
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">geom</span><span class="p">,</span> <span class="n">Point</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_visible</span><span class="p">(</span><span class="n">geom</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="n">geom</span><span class="o">.</span><span class="n">y</span><span class="p">):</span>
|
||||
<span class="n">res</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">project</span><span class="p">(</span><span class="n">geom</span><span class="p">))</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="k">raise</span> <span class="n">KartographError</span><span class="p">(</span><span class="s">'unknown geometry type </span><span class="si">%s</span><span class="s">'</span> <span class="o">%</span> <span class="n">geometry</span><span class="p">)</span>
|
||||
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">res</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">res</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">Polygon</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">res</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">MultiPolygon</span><span class="p">(</span><span class="n">res</span><span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">res</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">res</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">LineString</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">res</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">MultiLineString</span><span class="p">(</span><span class="n">res</span><span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">LineString</span><span class="p">(</span><span class="n">res</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">res</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">MultiPoint</span><span class="p">(</span><span class="n">res</span><span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="n">res</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-8'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-8'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project_polygon</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">polygon</span><span class="p">):</span>
|
||||
<span class="n">ext</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">project_linear_ring</span><span class="p">(</span><span class="n">polygon</span><span class="o">.</span><span class="n">exterior</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">ext</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
||||
<span class="n">pts_int</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">interior</span> <span class="ow">in</span> <span class="n">polygon</span><span class="o">.</span><span class="n">interiors</span><span class="p">:</span>
|
||||
<span class="n">pts_int</span> <span class="o">+=</span> <span class="bp">self</span><span class="o">.</span><span class="n">project_linear_ring</span><span class="p">(</span><span class="n">interior</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="p">[</span><span class="n">Polygon</span><span class="p">(</span><span class="n">ext</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">pts_int</span><span class="p">)]</span>
|
||||
<span class="k">elif</span> <span class="nb">len</span><span class="p">(</span><span class="n">ext</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="p">[]</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="k">raise</span> <span class="n">KartographError</span><span class="p">(</span><span class="s">'unhandled case: exterior is split into multiple rings'</span><span class="p">)</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-9'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-9'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">project_linear_ring</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ring</span><span class="p">):</span>
|
||||
<span class="n">points</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="n">pt</span> <span class="ow">in</span> <span class="n">ring</span><span class="o">.</span><span class="n">coords</span><span class="p">:</span>
|
||||
<span class="n">x</span><span class="p">,</span> <span class="n">y</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">project</span><span class="p">(</span><span class="n">pt</span><span class="p">)</span>
|
||||
<span class="n">points</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">))</span>
|
||||
<span class="k">return</span> <span class="p">[</span><span class="n">points</span><span class="p">]</span></pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
<div class='section' id='section-10'>
|
||||
<div class='docs'>
|
||||
<div class='octowrap'>
|
||||
<a class='octothorpe' href='#section-10'>#</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div class='code'>
|
||||
<div class="highlight"><pre> <span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="s">'View(w=</span><span class="si">%f</span><span class="s">, h=</span><span class="si">%f</span><span class="s">, pad=</span><span class="si">%f</span><span class="s">, scale=</span><span class="si">%f</span><span class="s">, bbox=</span><span class="si">%s</span><span class="s">)'</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">padding</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">scale</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">bbox</span><span class="p">)</span>
|
||||
|
||||
</pre></div>
|
||||
</div>
|
||||
</div>
|
||||
<div class='clearall'></div>
|
||||
</div>
|
||||
</body>
|
||||
Reference in New Issue
Block a user