923 lines
50 KiB
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923 lines
50 KiB
HTML
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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_1operation.html">operation</a></li><li class="navelem"><a class="el" href="namespacegeos_1_1operation_1_1polygonize.html">polygonize</a></li><li class="navelem"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html">Polygonizer</a></li> </ul>
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<div class="title">geos::operation::polygonize::Polygonizer Class Reference</div> </div>
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<p>Polygonizes a set of Geometrys which contain linework that represents the edges of a planar graph.
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<p><code>#include <<a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>></code></p>
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Classes</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer_1_1LineStringAdder.html">LineStringAdder</a></td></tr>
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</table><table class="memberdecls">
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a5013ff858a03f387fa026a0b8e9b781a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a5013ff858a03f387fa026a0b8e9b781a">Polygonizer</a> (bool onlyPolygonal=false)</td></tr>
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<tr class="memdesc:a5013ff858a03f387fa026a0b8e9b781a"><td class="mdescLeft"> </td><td class="mdescRight">Create a <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html" title="Polygonizes a set of Geometrys which contain linework that represents the edges of a planar graph...">Polygonizer</a> with the same GeometryFactory as the input Geometrys. <a href="#a5013ff858a03f387fa026a0b8e9b781a">More...</a><br /></td></tr>
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<tr class="separator:a5013ff858a03f387fa026a0b8e9b781a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8fd123601c69ff8ab71d9fdc1e5e60a3"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a8fd123601c69ff8ab71d9fdc1e5e60a3">~Polygonizer</a> ()=default</td></tr>
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<tr class="separator:a8fd123601c69ff8ab71d9fdc1e5e60a3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad4faf520a6b996535440cf368878012f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ad4faf520a6b996535440cf368878012f">add</a> (std::vector< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> * > *geomList)</td></tr>
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<tr class="memdesc:ad4faf520a6b996535440cf368878012f"><td class="mdescLeft"> </td><td class="mdescRight">Add a collection of geometries to be polygonized. May be called multiple times. Any dimension of Geometry may be added; the constituent linework will be extracted and used. <a href="#ad4faf520a6b996535440cf368878012f">More...</a><br /></td></tr>
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<tr class="separator:ad4faf520a6b996535440cf368878012f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3d6eba30fe37c83c036fe7c25f0624fa"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a3d6eba30fe37c83c036fe7c25f0624fa">add</a> (std::vector< const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> * > *geomList)</td></tr>
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<tr class="memdesc:a3d6eba30fe37c83c036fe7c25f0624fa"><td class="mdescLeft"> </td><td class="mdescRight">Add a collection of geometries to be polygonized. May be called multiple times. Any dimension of Geometry may be added; the constituent linework will be extracted and used. <a href="#a3d6eba30fe37c83c036fe7c25f0624fa">More...</a><br /></td></tr>
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<tr class="separator:a3d6eba30fe37c83c036fe7c25f0624fa"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7b1fb0421e283c019beccb32bd9fa313"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a7b1fb0421e283c019beccb32bd9fa313">add</a> (<a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *g)</td></tr>
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<tr class="separator:a7b1fb0421e283c019beccb32bd9fa313"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a55c8d19b82467e50c7728103e0cf4fd3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a55c8d19b82467e50c7728103e0cf4fd3">add</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *g)</td></tr>
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<tr class="separator:a55c8d19b82467e50c7728103e0cf4fd3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:accd244bb3b17a1601b1ed69e92af4208"><td class="memItemLeft" align="right" valign="top">std::vector< std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a> > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#accd244bb3b17a1601b1ed69e92af4208">getPolygons</a> ()</td></tr>
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<tr class="memdesc:accd244bb3b17a1601b1ed69e92af4208"><td class="mdescLeft"> </td><td class="mdescRight">Gets the list of polygons formed by the polygonization. <a href="#accd244bb3b17a1601b1ed69e92af4208">More...</a><br /></td></tr>
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<tr class="separator:accd244bb3b17a1601b1ed69e92af4208"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a43ae3cc833a832b43986236d982ae2db"><td class="memItemLeft" align="right" valign="top">const std::vector< const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> * > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a43ae3cc833a832b43986236d982ae2db">getDangles</a> ()</td></tr>
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<tr class="memdesc:a43ae3cc833a832b43986236d982ae2db"><td class="mdescLeft"> </td><td class="mdescRight">Get the list of dangling lines found during polygonization. <a href="#a43ae3cc833a832b43986236d982ae2db">More...</a><br /></td></tr>
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<tr class="separator:a43ae3cc833a832b43986236d982ae2db"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab22e876dd816f34884263ef8ce3abc90"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ab22e876dd816f34884263ef8ce3abc90">hasDangles</a> ()</td></tr>
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<tr class="separator:ab22e876dd816f34884263ef8ce3abc90"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab8393d7c2be26585c89f7edc247da45c"><td class="memItemLeft" align="right" valign="top">const std::vector< const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> * > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ab8393d7c2be26585c89f7edc247da45c">getCutEdges</a> ()</td></tr>
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<tr class="memdesc:ab8393d7c2be26585c89f7edc247da45c"><td class="mdescLeft"> </td><td class="mdescRight">Get the list of cut edges found during polygonization. <a href="#ab8393d7c2be26585c89f7edc247da45c">More...</a><br /></td></tr>
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<tr class="separator:ab8393d7c2be26585c89f7edc247da45c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad7213ba16fce7e3de7458451204cc294"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ad7213ba16fce7e3de7458451204cc294">hasCutEdges</a> ()</td></tr>
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<tr class="separator:ad7213ba16fce7e3de7458451204cc294"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a84d1a409d441add8030e80664282fa63"><td class="memItemLeft" align="right" valign="top">const std::vector< std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> > > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a84d1a409d441add8030e80664282fa63">getInvalidRingLines</a> ()</td></tr>
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<tr class="memdesc:a84d1a409d441add8030e80664282fa63"><td class="mdescLeft"> </td><td class="mdescRight">Get the list of lines forming invalid rings found during polygonization. <a href="#a84d1a409d441add8030e80664282fa63">More...</a><br /></td></tr>
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<tr class="separator:a84d1a409d441add8030e80664282fa63"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1826ff6d7176af121c8a96995390f2a9"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a1826ff6d7176af121c8a96995390f2a9">hasInvalidRingLines</a> ()</td></tr>
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<tr class="separator:a1826ff6d7176af121c8a96995390f2a9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a492253534b6e9f523ddb226222f56e16"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a492253534b6e9f523ddb226222f56e16">allInputsFormPolygons</a> ()</td></tr>
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<tr class="separator:a492253534b6e9f523ddb226222f56e16"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
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Protected Attributes</h2></td></tr>
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<tr class="memitem:ad6beec393943e173e2d0fcce33da1e1a"><td class="memItemLeft" align="right" valign="top">std::unique_ptr< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeGraph.html">PolygonizeGraph</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ad6beec393943e173e2d0fcce33da1e1a">graph</a></td></tr>
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<tr class="separator:ad6beec393943e173e2d0fcce33da1e1a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6b79ee79263dbd21b13f1c5f8e905a91"><td class="memItemLeft" align="right" valign="top">std::vector< const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a6b79ee79263dbd21b13f1c5f8e905a91">dangles</a></td></tr>
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<tr class="separator:a6b79ee79263dbd21b13f1c5f8e905a91"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac9f75481fd14fcb2f6ccc8f61a0c9534"><td class="memItemLeft" align="right" valign="top">std::vector< const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ac9f75481fd14fcb2f6ccc8f61a0c9534">cutEdges</a></td></tr>
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<tr class="separator:ac9f75481fd14fcb2f6ccc8f61a0c9534"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab8ebf8ee4d1f46b4c04b5f5486c7dc90"><td class="memItemLeft" align="right" valign="top">std::vector< std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ab8ebf8ee4d1f46b4c04b5f5486c7dc90">invalidRingLines</a></td></tr>
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<tr class="separator:ab8ebf8ee4d1f46b4c04b5f5486c7dc90"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3cd1e4c5f6605c2bf0aef135087007c9"><td class="memItemLeft" align="right" valign="top">std::vector< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a3cd1e4c5f6605c2bf0aef135087007c9">holeList</a></td></tr>
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<tr class="separator:a3cd1e4c5f6605c2bf0aef135087007c9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3b6361191173fa4fd2ad6c61bb1f02c8"><td class="memItemLeft" align="right" valign="top">std::vector< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a3b6361191173fa4fd2ad6c61bb1f02c8">shellList</a></td></tr>
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<tr class="memitem:afd17330162ec1a53bccf5db2bdc83012"><td class="memItemLeft" align="right" valign="top">std::vector< std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a> > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#afd17330162ec1a53bccf5db2bdc83012">polyList</a></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-methods"></a>
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Private Member Functions</h2></td></tr>
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<tr class="memitem:a602784e155353d7b0f270c30363aa20c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a602784e155353d7b0f270c30363aa20c">add</a> (const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> *line)</td></tr>
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<tr class="memitem:ad1e2ec4ed01b56f88bbd6fe5466314b8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ad1e2ec4ed01b56f88bbd6fe5466314b8">polygonize</a> ()</td></tr>
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<tr class="memitem:afe360c103f2d295cd5b19f95f2d41e83"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#afe360c103f2d295cd5b19f95f2d41e83">findShellsAndHoles</a> (const std::vector< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> * > &edgeRingList)</td></tr>
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<tr class="memitem:a83e6fcaa69593269fa7a0100a3aa22f4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a83e6fcaa69593269fa7a0100a3aa22f4">findDisjointShells</a> ()</td></tr>
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</table><table class="memberdecls">
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Static Private Member Functions</h2></td></tr>
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<tr class="memitem:a7f9f9e1ef538c5a5195feea1ab437e94"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a7f9f9e1ef538c5a5195feea1ab437e94">findValidRings</a> (const std::vector< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> * > &edgeRingList, std::vector< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> * > &validEdgeRingList, std::vector< std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> >> &invalidRingList)</td></tr>
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<tr class="memitem:aa5786d8aaefe8c539c206736de5cb866"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#aa5786d8aaefe8c539c206736de5cb866">findOuterShells</a> (std::vector< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> * > &<a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a3b6361191173fa4fd2ad6c61bb1f02c8">shellList</a>)</td></tr>
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<tr class="memitem:a87ffdcea6e974cd0a8b1b10da8abde34"><td class="memItemLeft" align="right" valign="top">static std::vector< std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a> > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a87ffdcea6e974cd0a8b1b10da8abde34">extractPolygons</a> (std::vector< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> * > &<a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a3b6361191173fa4fd2ad6c61bb1f02c8">shellList</a>, bool includeAll)</td></tr>
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</table><table class="memberdecls">
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Private Attributes</h2></td></tr>
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<tr class="memitem:a35e6592eedfdfc173d0838e3225ad072"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer_1_1LineStringAdder.html">LineStringAdder</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a35e6592eedfdfc173d0838e3225ad072">lineStringAdder</a></td></tr>
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<tr class="memitem:acc318d3eb9b9af1bbcccb61bd5df5c56"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#acc318d3eb9b9af1bbcccb61bd5df5c56">extractOnlyPolygonal</a></td></tr>
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<tr class="memitem:a0bbb351d9e61bb9f40ae3b6896fac707"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#a0bbb351d9e61bb9f40ae3b6896fac707">computed</a></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
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Friends</h2></td></tr>
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<tr class="memitem:ae56d25e6c5388d3e0eac5c7b4aaa72fb"><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html#ae56d25e6c5388d3e0eac5c7b4aaa72fb">Polygonizer::LineStringAdder</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>Polygonizes a set of Geometrys which contain linework that represents the edges of a planar graph. </p>
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<p>All types of Geometry are accepted as input; the constituent linework is extracted as the edges to be polygonized. The edges must be correctly noded; that is, they must only meet at their endpoints. Polygonization will accept incorrectly noded input but will not form polygons from non-noded edges, and reports them as errors.</p>
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<p>The <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html" title="Polygonizes a set of Geometrys which contain linework that represents the edges of a planar graph...">Polygonizer</a> reports the follow kinds of errors:</p>
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<ul>
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<li><b>Dangles</b> - edges which have one or both ends which are not incident on another edge endpoint</li>
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<li><b>Cut Edges</b> - edges which are connected at both ends but which do not form part of a polygon</li>
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<li><p class="startli"><b>Invalid Ring Lines</b> - edges which form rings which are invalid (e.g. the component lines contain a self-intersection)</p>
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<p class="startli">The <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html" title="Polygonizes a set of Geometrys which contain linework that represents the edges of a planar graph...">Polygonizer</a> constructor allows extracting only polygons which form a valid polygonal result. The set of extracted polygons is guaranteed to be edge-disjoint. This is useful when it is known that the input lines form a valid polygonal geometry (which may include holes or nested polygons). </p>
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</li>
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</ul>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00083">83</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td>(</td>
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<td class="paramtype">bool </td>
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<p>Create a <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html" title="Polygonizes a set of Geometrys which contain linework that represents the edges of a planar graph...">Polygonizer</a> with the same GeometryFactory as the input Geometrys. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">onlyPolygonal</td><td>true if only polygons which form a valid polygonal geometry should be extracted </td></tr>
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<td>(</td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> * </td>
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<td class="paramname"><em>line</em></td><td>)</td>
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<p>Add a linestring to the graph of polygon edges.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">line</td><td>the <a class="el" href="">LineString</a> to add </td></tr>
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<p>Add a collection of geometries to be polygonized. May be called multiple times. Any dimension of Geometry may be added; the constituent linework will be extracted and used. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">geomList</td><td>a list of Geometry with linework to be polygonized </td></tr>
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<p>Add a collection of geometries to be polygonized. May be called multiple times. Any dimension of Geometry may be added; the constituent linework will be extracted and used. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">geomList</td><td>a list of Geometry with linework to be polygonized </td></tr>
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<p>Add a geometry to the linework to be polygonized. May be called multiple times. Any dimension of Geometry may be added; the constituent linework will be extracted and used</p>
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<p>Add a geometry to the linework to be polygonized. May be called multiple times. Any dimension of Geometry may be added; the constituent linework will be extracted and used</p>
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<td class="memname">void geos::operation::polygonize::Polygonizer::findShellsAndHoles </td>
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<td>(</td>
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<td class="paramtype">const std::vector< <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> * > & </td>
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<td class="paramname"><em>edgeRingList</em></td><td>)</td>
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<td class="memname">static void geos::operation::polygonize::Polygonizer::findValidRings </td>
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<td class="paramtype">std::vector< std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> >> & </td>
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<td class="memname">const std::vector<const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>*>& geos::operation::polygonize::Polygonizer::getCutEdges </td>
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<p>Get the list of cut edges found during polygonization. </p>
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<dl class="section return"><dt>Returns</dt><dd>a (possibly empty) collection of pointers to the input LineStrings which are cut edges. </dd></dl>
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<td class="memname">const std::vector<const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>*>& geos::operation::polygonize::Polygonizer::getDangles </td>
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<p>Get the list of dangling lines found during polygonization. </p>
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<dl class="section return"><dt>Returns</dt><dd>a (possibly empty) collection of pointers to the input LineStrings which are dangles. </dd></dl>
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<td class="memname">const std::vector<std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>> >& geos::operation::polygonize::Polygonizer::getInvalidRingLines </td>
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<p>Get the list of lines forming invalid rings found during polygonization. </p>
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<dl class="section return"><dt>Returns</dt><dd>a (possibly empty) collection of pointers to the input LineStrings which form invalid rings </dd></dl>
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<td class="memname">std::vector<std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a>> > geos::operation::polygonize::Polygonizer::getPolygons </td>
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<p>Gets the list of polygons formed by the polygonization. </p>
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<p>Ownership of vector is transferred to caller, subsequent calls will return NULL. </p><dl class="section return"><dt>Returns</dt><dd>a collection of Polygons </dd></dl>
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<td class="memname">bool geos::operation::polygonize::Polygonizer::hasCutEdges </td>
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<td>(</td>
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<td class="memname">bool geos::operation::polygonize::Polygonizer::hasDangles </td>
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<td class="memname">bool geos::operation::polygonize::Polygonizer::hasInvalidRingLines </td>
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<td>(</td>
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<td class="memname">void geos::operation::polygonize::Polygonizer::polygonize </td>
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<p>Perform the polygonization, if it has not already been carried out. </p>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<td class="memname">friend class <a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer_1_1LineStringAdder.html">Polygonizer::LineStringAdder</a></td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00237">237</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">bool geos::operation::polygonize::Polygonizer::computed</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00124">124</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<td class="memname">std::vector<const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>*> geos::operation::polygonize::Polygonizer::cutEdges</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00132">132</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<td class="memname">std::vector<const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>*> geos::operation::polygonize::Polygonizer::dangles</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00131">131</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00123">123</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<td class="memname">std::unique_ptr<<a class="el" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeGraph.html">PolygonizeGraph</a>> geos::operation::polygonize::Polygonizer::graph</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00128">128</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<td class="memname">std::vector<<a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a>*> geos::operation::polygonize::Polygonizer::holeList</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00135">135</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<td class="memname">std::vector<std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>> > geos::operation::polygonize::Polygonizer::invalidRingLines</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00133">133</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<td class="memname"><a class="el" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer_1_1LineStringAdder.html">LineStringAdder</a> geos::operation::polygonize::Polygonizer::lineStringAdder</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00097">97</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<td class="memname">std::vector<std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a>> > geos::operation::polygonize::Polygonizer::polyList</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00137">137</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.h</a>.</p>
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<td class="memname">std::vector<<a class="el" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a>*> geos::operation::polygonize::Polygonizer::shellList</td>
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<p>Definition at line <a class="el" href="Polygonizer_8h_source.html#l00136">136</a> of file <a class="el" href="Polygonizer_8h_source.html">Polygonizer.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="Polygonizer_8h_source.html">Polygonizer.h</a></li>
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</a> 1.8.11
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