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<li class="toctree-l1"><a class="reference internal" href="installation.html">Installation</a></li>
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<li class="toctree-l1"><a class="reference internal" href="filtering.html">Filtering images</a></li>
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<li class="toctree-l1"><a class="reference internal" href="generation.html">Generating fingerprint models</a></li>
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<li class="toctree-l2 current current-page"><a class="current reference internal" href="#">main module</a></li>
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<li class="toctree-l2"><a class="reference internal" href="stl_parser.html">stl_parser module</a></li>
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<article role="main">
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<section id="main-module">
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<h1>main module<a class="headerlink" href="#main-module" title="Permalink to this heading">#</a></h1>
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<p>Main file of the project, contains filtering and stl generation functions</p>
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<dl class="py class">
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<dt class="sig sig-object py" id="main.fingerprint_app">
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<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">fingerprint_app</span></span><a class="headerlink" href="#main.fingerprint_app" title="Permalink to this definition">#</a></dt>
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<dd><p>Main class for the application.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.__init__">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">__init__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.__init__" title="Permalink to this definition">#</a></dt>
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<dd></dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.parse_arguments">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">parse_arguments</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.parse_arguments" title="Permalink to this definition">#</a></dt>
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<dd><p>Parse arguments from command line using argparse library.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.parse_stl">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">parse_stl</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.parse_stl" title="Permalink to this definition">#</a></dt>
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<dd><p>Parse arguments for stl generation.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.run_filtering">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">run_filtering</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.run_filtering" title="Permalink to this definition">#</a></dt>
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<dd><p>Read input file, store as numpy.array, uint8, grayscale.
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Call function to apply the filters and a function to save it to output file.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.get_empty_figure">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">get_empty_figure</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.get_empty_figure" title="Permalink to this definition">#</a></dt>
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<dd><p>Return empty figure with one ax, which has dimensions of the input image.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.mirror_image">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">mirror_image</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.mirror_image" title="Permalink to this definition">#</a></dt>
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<dd><p>Mirror image using opencv.
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Should be used to cancel implicit mirroring.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.apply_filters">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">apply_filters</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.apply_filters" title="Permalink to this definition">#</a></dt>
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<dd><p>Apply filters to image one by one.
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In case none were given, pass and save original image to the output file.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.save_image">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">save_image</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.save_image" title="Permalink to this definition">#</a></dt>
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<dd><p>Save processed image to the output file.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters<span class="colon">:</span></dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>fig</strong> – figure used to render image.</p></li>
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<li><p><strong>ax</strong> – Ax used to render image.</p></li>
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</ul>
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</dd>
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</dl>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.run_stl">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">run_stl</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.run_stl" title="Permalink to this definition">#</a></dt>
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<dd><p>Choose correct generation code based on mode.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.prepare_heightmap">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">prepare_heightmap</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.prepare_heightmap" title="Permalink to this definition">#</a></dt>
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<dd><p>Scale image values to get values from 0 to 255.
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Check validity of dimension parameters.
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Then compute base and papilar lines height.
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Prepare meshgrid, array which later serves to store point coordinates.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.write_stl_header">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">write_stl_header</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.write_stl_header" title="Permalink to this definition">#</a></dt>
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<dd><p>Write parameter string to stl header.
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This header is 80 bytes long, so the data needs to be shortened to fit.
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If the parameter string is too long, a warning is printed and the data is truncated.</p>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.get_ID">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">get_ID</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.get_ID" title="Permalink to this definition">#</a></dt>
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|
<dd><p>Get a unique ID for the model, which is used in filename and on the model backside.
|
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|
Also create parameter string for stl header, which is used to create ID using hash function MD5.</p>
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|
</dd></dl>
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|
<dl class="py function">
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|
<dt class="sig sig-object py" id="main.append_faces">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">append_faces</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.append_faces" title="Permalink to this definition">#</a></dt>
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<dd><p>Add faces to the list of faces.</p>
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|
<dl class="field-list simple">
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|
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
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|
<dd class="field-odd"><ul class="simple">
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|
<li><p><strong>faces</strong> – Array with faces.</p></li>
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<li><p><strong>c</strong> – Indices of currently added faces.</p></li>
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</ul>
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</dd>
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</dl>
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</dd></dl>
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<dl class="py function">
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<dt class="sig sig-object py" id="main.engrave_text">
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<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">engrave_text</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.engrave_text" title="Permalink to this definition">#</a></dt>
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|
<dd><p>Engrave text on the back of the model.
|
|
|
Create an empty image, fill it with color and draw text on it.</p>
|
|
|
<dl class="field-list simple">
|
|
|
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
|
|
<dd class="field-odd"><ul class="simple">
|
|
|
<li><p><strong>bottom_vert_arr</strong> – Bottom vertex array.</p></li>
|
|
|
<li><p><strong>top_vert_arr</strong> – Top vertex array</p></li>
|
|
|
</ul>
|
|
|
</dd>
|
|
|
</dl>
|
|
|
</dd></dl>
|
|
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|
|
<dl class="py function">
|
|
|
<dt class="sig sig-object py" id="main.create_stl_mesh">
|
|
|
<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">create_stl_mesh</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.create_stl_mesh" title="Permalink to this definition">#</a></dt>
|
|
|
<dd><p>Create mesh from faces and vertices arrays.</p>
|
|
|
<dl class="field-list simple">
|
|
|
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
|
|
<dd class="field-odd"><ul class="simple">
|
|
|
<li><p><strong>faces</strong> – Vector of face indices</p></li>
|
|
|
<li><p><strong>vertices</strong> – Vector of vertices</p></li>
|
|
|
</ul>
|
|
|
</dd>
|
|
|
</dl>
|
|
|
</dd></dl>
|
|
|
|
|
|
<dl class="py function">
|
|
|
<dt class="sig sig-object py" id="main.create_faces">
|
|
|
<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">create_faces</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.create_faces" title="Permalink to this definition">#</a></dt>
|
|
|
<dd><p>Create faces for the model.
|
|
|
Iterate over all vertices, append to vector and create faces from indices.</p>
|
|
|
<dl class="field-list simple">
|
|
|
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
|
|
<dd class="field-odd"><ul class="simple">
|
|
|
<li><p><strong>bottom_vert_arr</strong> – Bottom vertex array.</p></li>
|
|
|
<li><p><strong>top_vert_arr</strong> – Top vertex array</p></li>
|
|
|
</ul>
|
|
|
</dd>
|
|
|
</dl>
|
|
|
</dd></dl>
|
|
|
|
|
|
<dl class="py function">
|
|
|
<dt class="sig sig-object py" id="main.make_stl_planar">
|
|
|
<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">make_stl_planar</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.make_stl_planar" title="Permalink to this definition">#</a></dt>
|
|
|
<dd><p>Create vertices from meshgrid, add z coordinates from processed image heightmap.
|
|
|
Create faces from vertex indices.</p>
|
|
|
</dd></dl>
|
|
|
|
|
|
<dl class="py function">
|
|
|
<dt class="sig sig-object py" id="main.make_stl_curved">
|
|
|
<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">make_stl_curved</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.make_stl_curved" title="Permalink to this definition">#</a></dt>
|
|
|
<dd><p>Compute curved surface offset.
|
|
|
Create vertices from meshgrid, add z coordinates from processed image heightmap.
|
|
|
Create faces from vertex indices.</p>
|
|
|
</dd></dl>
|
|
|
|
|
|
<dl class="py function">
|
|
|
<dt class="sig sig-object py" id="main.make_stl_map">
|
|
|
<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">make_stl_map</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.make_stl_map" title="Permalink to this definition">#</a></dt>
|
|
|
<dd><p>Map fingerprint to a given finger model.</p>
|
|
|
</dd></dl>
|
|
|
|
|
|
<dl class="py function">
|
|
|
<dt class="sig sig-object py" id="main.save_stl">
|
|
|
<span class="sig-prename descclassname"><span class="pre">main.</span></span><span class="sig-name descname"><span class="pre">save_stl</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#main.save_stl" title="Permalink to this definition">#</a></dt>
|
|
|
<dd><p>Save final mesh to stl file.</p>
|
|
|
</dd></dl>
|
|
|
|
|
|
</section>
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</article>
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Made with <a href="https://www.sphinx-doc.org/">Sphinx</a> and <a class="muted-link" href="https://pradyunsg.me">@pradyunsg</a>'s
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<span class="toc-title">
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On this page
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<div class="toc-tree">
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<ul>
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<li><a class="reference internal" href="#">main module</a><ul>
|
|
|
<li><a class="reference internal" href="#main.fingerprint_app"><code class="docutils literal notranslate"><span class="pre">main.fingerprint_app</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.__init__"><code class="docutils literal notranslate"><span class="pre">main.__init__()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.parse_arguments"><code class="docutils literal notranslate"><span class="pre">main.parse_arguments()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.parse_stl"><code class="docutils literal notranslate"><span class="pre">main.parse_stl()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.run_filtering"><code class="docutils literal notranslate"><span class="pre">main.run_filtering()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.get_empty_figure"><code class="docutils literal notranslate"><span class="pre">main.get_empty_figure()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.mirror_image"><code class="docutils literal notranslate"><span class="pre">main.mirror_image()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.apply_filters"><code class="docutils literal notranslate"><span class="pre">main.apply_filters()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.save_image"><code class="docutils literal notranslate"><span class="pre">main.save_image()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.run_stl"><code class="docutils literal notranslate"><span class="pre">main.run_stl()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.prepare_heightmap"><code class="docutils literal notranslate"><span class="pre">main.prepare_heightmap()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.write_stl_header"><code class="docutils literal notranslate"><span class="pre">main.write_stl_header()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.get_ID"><code class="docutils literal notranslate"><span class="pre">main.get_ID()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.append_faces"><code class="docutils literal notranslate"><span class="pre">main.append_faces()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.engrave_text"><code class="docutils literal notranslate"><span class="pre">main.engrave_text()</span></code></a></li>
|
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|
<li><a class="reference internal" href="#main.create_stl_mesh"><code class="docutils literal notranslate"><span class="pre">main.create_stl_mesh()</span></code></a></li>
|
|
|
<li><a class="reference internal" href="#main.create_faces"><code class="docutils literal notranslate"><span class="pre">main.create_faces()</span></code></a></li>
|
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|
<li><a class="reference internal" href="#main.make_stl_planar"><code class="docutils literal notranslate"><span class="pre">main.make_stl_planar()</span></code></a></li>
|
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|
<li><a class="reference internal" href="#main.make_stl_curved"><code class="docutils literal notranslate"><span class="pre">main.make_stl_curved()</span></code></a></li>
|
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|
<li><a class="reference internal" href="#main.make_stl_map"><code class="docutils literal notranslate"><span class="pre">main.make_stl_map()</span></code></a></li>
|
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|
<li><a class="reference internal" href="#main.save_stl"><code class="docutils literal notranslate"><span class="pre">main.save_stl()</span></code></a></li>
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</ul>
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</li>
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</ul>
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