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<li class="navelem"><a class="el" href="namespacegeos.html">geos</a></li><li class="navelem"><a class="el" href="namespacegeos_1_1triangulate.html">triangulate</a></li><li class="navelem"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html">DelaunayTriangulationBuilder</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pub-static-methods">Static Public Member Functions</a> |
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<div class="title">geos::triangulate::DelaunayTriangulationBuilder Class Reference</div> </div>
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<p>A utility class which creates Delaunay Triangulations from collections of points and extract the resulting triangulation edges or triangles as geometries.
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<a href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="DelaunayTriangulationBuilder_8h_source.html">DelaunayTriangulationBuilder.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a071456cd0060e8930b0815a70b04211a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a071456cd0060e8930b0815a70b04211a">DelaunayTriangulationBuilder</a> ()</td></tr>
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<tr class="separator:a071456cd0060e8930b0815a70b04211a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af839b57d8faad69328a6d64be6c1d6a0"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#af839b57d8faad69328a6d64be6c1d6a0">~DelaunayTriangulationBuilder</a> ()=default</td></tr>
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<tr class="separator:af839b57d8faad69328a6d64be6c1d6a0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7f371bfea6cbaaff8a091d746114e831"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a7f371bfea6cbaaff8a091d746114e831">setSites</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &geom)</td></tr>
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<tr class="separator:a7f371bfea6cbaaff8a091d746114e831"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6ab53954f5d42dfd194a82cdf84c3de9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a6ab53954f5d42dfd194a82cdf84c3de9">setSites</a> (const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> &coords)</td></tr>
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<tr class="memitem:ae99fbd0644fc8f6fec77fe4e2682c879"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#ae99fbd0644fc8f6fec77fe4e2682c879">setTolerance</a> (double p_tolerance)</td></tr>
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<tr class="memitem:a3c68ef22e7d198821a91421c84ebfb0f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeSubdivision.html">quadedge::QuadEdgeSubdivision</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a3c68ef22e7d198821a91421c84ebfb0f">getSubdivision</a> ()</td></tr>
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<tr class="memitem:aa499b664771ca43c35abb682fcaa73f4"><td class="memItemLeft" align="right" valign="top">std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1MultiLineString.html">geom::MultiLineString</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#aa499b664771ca43c35abb682fcaa73f4">getEdges</a> (const <a class="el" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> &geomFact)</td></tr>
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<tr class="memitem:a0a5ec11535e0cb424b70c04e097c80a2"><td class="memItemLeft" align="right" valign="top">std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1GeometryCollection.html">geom::GeometryCollection</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a0a5ec11535e0cb424b70c04e097c80a2">getTriangles</a> (const <a class="el" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> &geomFact)</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:a098d0eabbc0fcd8c3158f455ddfdd8fd"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a098d0eabbc0fcd8c3158f455ddfdd8fd">extractUniqueCoordinates</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &geom)</td></tr>
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<tr class="memitem:a58d033fe0199b9fb340ddc0435554681"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classgeos_1_1triangulate_1_1IncrementalDelaunayTriangulator.html#af3b848e2751936e631a35d1167192d1f">IncrementalDelaunayTriangulator::VertexList</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a58d033fe0199b9fb340ddc0435554681">toVertices</a> (const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> &coords)</td></tr>
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<tr class="memitem:a6fd9af50b4a10127697b133f3a9022ec"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a6fd9af50b4a10127697b133f3a9022ec">unique</a> (const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *seq)</td></tr>
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<tr class="memitem:a77e37c6c6a3862e81a189380792d90c3"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a77e37c6c6a3862e81a189380792d90c3">envelope</a> (const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> &coords)</td></tr>
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Private Member Functions</h2></td></tr>
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<tr class="memitem:aa9e5cb3029a89195d005ee46dec73cf8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#aa9e5cb3029a89195d005ee46dec73cf8">create</a> ()</td></tr>
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Private Attributes</h2></td></tr>
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<tr class="memitem:abb99ecf0227bc53ea0cbdd6ec329784f"><td class="memItemLeft" align="right" valign="top">std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#abb99ecf0227bc53ea0cbdd6ec329784f">siteCoords</a></td></tr>
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<tr class="memitem:ad213eafaf19cb601f41447ce0b5371dc"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#ad213eafaf19cb601f41447ce0b5371dc">tolerance</a></td></tr>
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<tr class="memitem:a1e691c7274e5f7f9d9525488ee224841"><td class="memItemLeft" align="right" valign="top">std::unique_ptr< <a class="el" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeSubdivision.html">quadedge::QuadEdgeSubdivision</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1triangulate_1_1DelaunayTriangulationBuilder.html#a1e691c7274e5f7f9d9525488ee224841">subdiv</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>A utility class which creates Delaunay Triangulations from collections of points and extract the resulting triangulation edges or triangles as geometries. </p>
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<dl class="section author"><dt>Author</dt><dd>JTS: Martin Davis </dd>
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<dd>
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Benjamin Campbell </dd></dl>
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<p>Definition at line <a class="el" href="DelaunayTriangulationBuilder_8h_source.html#l00055">55</a> of file <a class="el" href="DelaunayTriangulationBuilder_8h_source.html">DelaunayTriangulationBuilder.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">geos::triangulate::DelaunayTriangulationBuilder::DelaunayTriangulationBuilder </td>
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<td>(</td>
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<p>Creates a new triangulation builder. </p>
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<td class="memname">geos::triangulate::DelaunayTriangulationBuilder::~DelaunayTriangulationBuilder </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void geos::triangulate::DelaunayTriangulationBuilder::create </td>
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<td class="memname">static <a class="el" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a> geos::triangulate::DelaunayTriangulationBuilder::envelope </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> & </td>
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<p>Computes the <a class="el" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a> of a collection of <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>s.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">coords</td><td>a List of Coordinates </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>the envelope of the set of coordinates </dd></dl>
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>> geos::triangulate::DelaunayTriangulationBuilder::extractUniqueCoordinates </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> & </td>
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<p>Extracts the unique <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>s from the given <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>.</p>
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<tr><td class="paramname">geom</td><td>the geometry to extract from </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>a List of the unique Coordinates. Caller takes ownership of the returned object. </dd></dl>
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<td class="memname">std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1MultiLineString.html">geom::MultiLineString</a>> geos::triangulate::DelaunayTriangulationBuilder::getEdges </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> & </td>
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<p>Gets the edges of the computed triangulation as a <a class="el" href="classgeos_1_1geom_1_1MultiLineString.html">geom::MultiLineString</a>.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>the edges of the triangulation. The caller takes ownership of the returned object. </dd></dl>
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<td class="memname"><a class="el" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeSubdivision.html">quadedge::QuadEdgeSubdivision</a>& geos::triangulate::DelaunayTriangulationBuilder::getSubdivision </td>
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<td>(</td>
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<p>Gets the <a class="el" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeSubdivision.html">quadedge::QuadEdgeSubdivision</a> which models the computed triangulation.</p>
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<dl class="section return"><dt>Returns</dt><dd>the subdivision containing the triangulation </dd></dl>
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<td class="memname">std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1GeometryCollection.html">geom::GeometryCollection</a>> geos::triangulate::DelaunayTriangulationBuilder::getTriangles </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> & </td>
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<td class="paramname"><em>geomFact</em></td><td>)</td>
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<p>Gets the faces of the computed triangulation as a <a class="el" href="classgeos_1_1geom_1_1GeometryCollection.html">geom::GeometryCollection</a> of <a class="el" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a>.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>the faces of the triangulation. The caller takes ownership of the returned object. </dd></dl>
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<td class="memname">void geos::triangulate::DelaunayTriangulationBuilder::setSites </td>
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<td>(</td>
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<p>Sets the sites (vertices) which will be triangulated. All vertices of the given geometry will be used as sites.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">geom</td><td>the geometry from which the sites will be extracted. </td></tr>
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<td class="memname">void geos::triangulate::DelaunayTriangulationBuilder::setSites </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> & </td>
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<p>Sets the sites (vertices) which will be triangulated from a collection of <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>s.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<td class="memname">void geos::triangulate::DelaunayTriangulationBuilder::setTolerance </td>
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<p>Sets the snapping tolerance which will be used to improved the robustness of the triangulation computation. A tolerance of 0.0 specifies that no snapping will take place.</p>
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<p>Definition at line <a class="el" href="DelaunayTriangulationBuilder_8h_source.html#l00120">120</a> of file <a class="el" href="DelaunayTriangulationBuilder_8h_source.html">DelaunayTriangulationBuilder.h</a>.</p>
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<td class="memname">static <a class="el" href="classgeos_1_1triangulate_1_1IncrementalDelaunayTriangulator.html#af3b848e2751936e631a35d1167192d1f">IncrementalDelaunayTriangulator::VertexList</a> geos::triangulate::DelaunayTriangulationBuilder::toVertices </td>
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<p>Converts all <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>s in a collection to <a class="el" href="classgeos_1_1triangulate_1_1quadedge_1_1Vertex.html">quadedge::Vertex</a>es.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>a List of Vertex objects. </dd></dl>
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>> geos::triangulate::DelaunayTriangulationBuilder::unique </td>
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<p>Returns a CoordinateSequence containing only the unique coordinates of its input. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">seq</td><td>a coordinateSequence </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>a sorted CoordinateSequence with the unique points of seq. </dd></dl>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>> geos::triangulate::DelaunayTriangulationBuilder::siteCoords</td>
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<p>Definition at line <a class="el" href="DelaunayTriangulationBuilder_8h_source.html#l00083">83</a> of file <a class="el" href="DelaunayTriangulationBuilder_8h_source.html">DelaunayTriangulationBuilder.h</a>.</p>
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<td class="memname">std::unique_ptr<<a class="el" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeSubdivision.html">quadedge::QuadEdgeSubdivision</a>> geos::triangulate::DelaunayTriangulationBuilder::subdiv</td>
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<p>Definition at line <a class="el" href="DelaunayTriangulationBuilder_8h_source.html#l00085">85</a> of file <a class="el" href="DelaunayTriangulationBuilder_8h_source.html">DelaunayTriangulationBuilder.h</a>.</p>
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<td class="memname">double geos::triangulate::DelaunayTriangulationBuilder::tolerance</td>
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<p>Definition at line <a class="el" href="DelaunayTriangulationBuilder_8h_source.html#l00084">84</a> of file <a class="el" href="DelaunayTriangulationBuilder_8h_source.html">DelaunayTriangulationBuilder.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li><a class="el" href="DelaunayTriangulationBuilder_8h_source.html">DelaunayTriangulationBuilder.h</a></li>
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