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546 lines
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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_1linemerge.html">linemerge</a></li><li class="navelem"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a></li> </ul>
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<div class="title">geos::operation::linemerge::LineMerger Class Reference</div> </div>
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<p>Sews together a set of fully noded LineStrings.
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<a href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="LineMerger_8h_source.html">LineMerger.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:a244c1a41166e83e46b79e98485365bdb"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a244c1a41166e83e46b79e98485365bdb">LineMerger</a> ()</td></tr>
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<tr class="separator:a244c1a41166e83e46b79e98485365bdb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9a1499513263c368ae05836059a04d30"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a9a1499513263c368ae05836059a04d30">~LineMerger</a> ()</td></tr>
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<tr class="memitem:a9b8c3e8deafb0d2f2595ee5398535937"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a9b8c3e8deafb0d2f2595ee5398535937">add</a> (std::vector< const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> * > *geometries)</td></tr>
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<tr class="memdesc:a9b8c3e8deafb0d2f2595ee5398535937"><td class="mdescLeft"> </td><td class="mdescRight">Adds a collection of Geometries to be processed. May be called multiple times. <a href="#a9b8c3e8deafb0d2f2595ee5398535937">More...</a><br /></td></tr>
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<tr class="separator:a9b8c3e8deafb0d2f2595ee5398535937"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aee0b2093559603c50e2870499b2518c1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aee0b2093559603c50e2870499b2518c1">add</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *geometry)</td></tr>
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<tr class="memdesc:aee0b2093559603c50e2870499b2518c1"><td class="mdescLeft"> </td><td class="mdescRight">Adds a Geometry to be processed. May be called multiple times. <a href="#aee0b2093559603c50e2870499b2518c1">More...</a><br /></td></tr>
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<tr class="memitem:aaea2dec3d70e666e8c9abff24c0386de"><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_1linemerge_1_1LineMerger.html#aaea2dec3d70e666e8c9abff24c0386de">getMergedLineStrings</a> ()</td></tr>
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<tr class="memdesc:aaea2dec3d70e666e8c9abff24c0386de"><td class="mdescLeft"> </td><td class="mdescRight">Returns the LineStrings built by the merging process. <a href="#aaea2dec3d70e666e8c9abff24c0386de">More...</a><br /></td></tr>
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<tr class="memitem:a91f6969326f2e584de43251c04e76d5f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a91f6969326f2e584de43251c04e76d5f">add</a> (const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> *lineString)</td></tr>
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<tr class="memitem:a8cea604e105807e7db3c7cc586f9d60e"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a8cea604e105807e7db3c7cc586f9d60e">LineMerger</a> (const <a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a> &other)=delete</td></tr>
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<tr class="memitem:ab294752ef404c531465e685dc688d488"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#ab294752ef404c531465e685dc688d488">operator=</a> (const <a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a> &rhs)=delete</td></tr>
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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:a227a484c5119417f2ef5fc895041a664"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a227a484c5119417f2ef5fc895041a664">merge</a> ()</td></tr>
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<tr class="memitem:a0672a0c620410eafe246c1e43040c70c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a0672a0c620410eafe246c1e43040c70c">buildEdgeStringsForObviousStartNodes</a> ()</td></tr>
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<tr class="memitem:a8d5ab1fc3b4c88e67e2d2f097591e6a1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a8d5ab1fc3b4c88e67e2d2f097591e6a1">buildEdgeStringsForIsolatedLoops</a> ()</td></tr>
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<tr class="memitem:a8f418ec8a3da9df51c3eec1ca40395b3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a8f418ec8a3da9df51c3eec1ca40395b3">buildEdgeStringsForUnprocessedNodes</a> ()</td></tr>
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<tr class="memitem:a0d6a92836b7479e350c197c06fd13b59"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a0d6a92836b7479e350c197c06fd13b59">buildEdgeStringsForNonDegree2Nodes</a> ()</td></tr>
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<tr class="memitem:af8b4885f647d457e2ed4dcd6c31c481f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#af8b4885f647d457e2ed4dcd6c31c481f">buildEdgeStringsStartingAt</a> (<a class="el" href="classgeos_1_1planargraph_1_1Node.html">planargraph::Node</a> *node)</td></tr>
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<tr class="memitem:aee82864f8db8ad0dce735ac1201ec97b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1EdgeString.html">EdgeString</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aee82864f8db8ad0dce735ac1201ec97b">buildEdgeStringStartingWith</a> (<a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMergeDirectedEdge.html">LineMergeDirectedEdge</a> *start)</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-attribs"></a>
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Private Attributes</h2></td></tr>
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<tr class="memitem:a5c36d2d68fef73bfd26836068dd458a7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMergeGraph.html">LineMergeGraph</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a5c36d2d68fef73bfd26836068dd458a7">graph</a></td></tr>
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<tr class="memitem:aa31391e5ffff0d557972e4d509f6f57a"><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_1linemerge_1_1LineMerger.html#aa31391e5ffff0d557972e4d509f6f57a">mergedLineStrings</a></td></tr>
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<tr class="memitem:aa24b943da86bb39bd4eee54ef856aced"><td class="memItemLeft" align="right" valign="top">std::vector< <a class="el" href="classgeos_1_1operation_1_1linemerge_1_1EdgeString.html">EdgeString</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aa24b943da86bb39bd4eee54ef856aced">edgeStrings</a></td></tr>
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<tr class="memitem:ad123aaced2b030de0f69b605b5dad6a2"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#ad123aaced2b030de0f69b605b5dad6a2">factory</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>Sews together a set of fully noded LineStrings. </p>
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<p>Sewing stops at nodes of degree 1 or 3 or more. The exception is an isolated loop, which only has degree-2 nodes, in which case a node is simply chosen as a starting point. The direction of each merged LineString will be that of the majority of the LineStrings from which it was derived.</p>
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<p>Any dimension of Geometry is handled. The constituent linework is extracted to form the edges. The edges must be correctly noded; that is, they must only meet at their endpoints.</p>
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<p>The <a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html" title="Sews together a set of fully noded LineStrings. ">LineMerger</a> will still run on incorrectly noded input but will not form polygons from incorrected noded edges. </p>
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<p>Definition at line <a class="el" href="LineMerger_8h_source.html#l00076">76</a> of file <a class="el" href="LineMerger_8h_source.html">LineMerger.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">geos::operation::linemerge::LineMerger::LineMerger </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a> & </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void geos::operation::linemerge::LineMerger::add </td>
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<p>Adds a collection of Geometries to be processed. May be called multiple times. </p>
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<p>Any dimension of Geometry may be added; the constituent linework will be extracted. </p>
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<td class="memname">void geos::operation::linemerge::LineMerger::add </td>
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<p>Adds a Geometry to be processed. May be called multiple times. </p>
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<td class="memname">void geos::operation::linemerge::LineMerger::add </td>
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<td class="memname">void geos::operation::linemerge::LineMerger::buildEdgeStringsForNonDegree2Nodes </td>
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<td class="memname">void geos::operation::linemerge::LineMerger::buildEdgeStringsForObviousStartNodes </td>
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<td class="memname">void geos::operation::linemerge::LineMerger::buildEdgeStringsForUnprocessedNodes </td>
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<td class="memname">void geos::operation::linemerge::LineMerger::buildEdgeStringsStartingAt </td>
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<td class="memname"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1EdgeString.html">EdgeString</a>* geos::operation::linemerge::LineMerger::buildEdgeStringStartingWith </td>
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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::linemerge::LineMerger::getMergedLineStrings </td>
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<p>Returns the LineStrings built by the merging process. </p>
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<p>Ownership of vector <em>and</em> its elements to caller. </p>
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<td class="memname">void geos::operation::linemerge::LineMerger::merge </td>
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<td class="memname"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a>& geos::operation::linemerge::LineMerger::operator= </td>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">std::vector<<a class="el" href="classgeos_1_1operation_1_1linemerge_1_1EdgeString.html">EdgeString</a>*> geos::operation::linemerge::LineMerger::edgeStrings</td>
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<p>Definition at line <a class="el" href="LineMerger_8h_source.html#l00084">84</a> of file <a class="el" href="LineMerger_8h_source.html">LineMerger.h</a>.</p>
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<td class="memname">const <a class="el" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a>* geos::operation::linemerge::LineMerger::factory</td>
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<p>Definition at line <a class="el" href="LineMerger_8h_source.html#l00086">86</a> of file <a class="el" href="LineMerger_8h_source.html">LineMerger.h</a>.</p>
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<td class="memname"><a class="el" href="classgeos_1_1operation_1_1linemerge_1_1LineMergeGraph.html">LineMergeGraph</a> geos::operation::linemerge::LineMerger::graph</td>
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<p>Definition at line <a class="el" href="LineMerger_8h_source.html#l00080">80</a> of file <a class="el" href="LineMerger_8h_source.html">LineMerger.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::linemerge::LineMerger::mergedLineStrings</td>
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<p>Definition at line <a class="el" href="LineMerger_8h_source.html#l00082">82</a> of file <a class="el" href="LineMerger_8h_source.html">LineMerger.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="LineMerger_8h_source.html">LineMerger.h</a></li>
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