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<title>GEOS: geos::operation::overlay::LineBuilder Class Reference</title>
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<li><a class="el" href="namespacegeos.html">geos</a> </li>
<li><a class="el" href="namespacegeos_1_1operation.html">operation</a> </li>
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<li><a class="el" href="classgeos_1_1operation_1_1overlay_1_1LineBuilder.html">geos::operation::overlay::LineBuilder</a> </li>
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<h1>geos::operation::overlay::LineBuilder Class Reference</h1> </div>
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<!-- doxytag: class="geos::operation::overlay::LineBuilder" -->
<p>Forms JTS LineStrings out of a the graph of <a class="el" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">geomgraph::DirectedEdge</a> created by an <a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html" title="Computes the overlay of two Geometry.">OverlayOp</a>.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="LineBuilder_8h_source.html">LineBuilder.h</a>></code></p>
<p><a href="classgeos_1_1operation_1_1overlay_1_1LineBuilder-members.html">List of all members.</a></p>
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<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae894b0602f04cf66c110d8c25c694546"></a><!-- doxytag: member="geos::operation::overlay::LineBuilder::LineBuilder" ref="ae894b0602f04cf66c110d8c25c694546" args="(OverlayOp *newOp, const geom::GeometryFactory *newGeometryFactory, algorithm::PointLocator *newPtLocator)" -->
</td><td class="memItemRight" valign="bottom"><b>LineBuilder</b> (<a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html">OverlayOp</a> *newOp, const <a class="el" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> *newGeometryFactory, <a class="el" href="classgeos_1_1algorithm_1_1PointLocator.html">algorithm::PointLocator</a> *newPtLocator)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">std::vector< <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_1overlay_1_1LineBuilder.html#aae80335c94d9bb1e5373a0ea456ce826">build</a> (<a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> opCode)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1LineBuilder.html#a61303c94f768940d9cafbbe548df5a1e">collectLineEdge</a> (<a class="el" href="classgeos_1_1geomgraph_1_1DirectedEdge.html">geomgraph::DirectedEdge</a> *de, <a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> opCode, std::vector< geomgraph::Edge * > *edges)</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Forms JTS LineStrings out of a the graph of <a class="el" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">geomgraph::DirectedEdge</a> created by an <a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html" title="Computes the overlay of two Geometry.">OverlayOp</a>. </p>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="aae80335c94d9bb1e5373a0ea456ce826"></a><!-- doxytag: member="geos::operation::overlay::LineBuilder::build" ref="aae80335c94d9bb1e5373a0ea456ce826" args="(OverlayOp::OpCode opCode)" -->
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<td class="memname">std::vector<<a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>*>* geos::operation::overlay::LineBuilder::build </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> </td>
<td class="paramname"> <em>opCode</em></td>
<td> ) </td>
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<dl class="return"><dt><b>Returns:</b></dt><dd>a list of the LineStrings in the result of the specified overlay operation </dd></dl>
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<a class="anchor" id="a61303c94f768940d9cafbbe548df5a1e"></a><!-- doxytag: member="geos::operation::overlay::LineBuilder::collectLineEdge" ref="a61303c94f768940d9cafbbe548df5a1e" args="(geomgraph::DirectedEdge *de, OverlayOp::OpCode opCode, std::vector< geomgraph::Edge * > *edges)" -->
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<td class="memname">void geos::operation::overlay::LineBuilder::collectLineEdge </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgeos_1_1geomgraph_1_1DirectedEdge.html">geomgraph::DirectedEdge</a> * </td>
<td class="paramname"> <em>de</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> </td>
<td class="paramname"> <em>opCode</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">std::vector< geomgraph::Edge * > * </td>
<td class="paramname"> <em>edges</em></td><td> </td>
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<td>)</td>
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<p>Collect line edges which are in the result.</p>
<p>Line edges are in the result if they are not part of an area boundary, if they are in the result of the overlay operation, and if they are not covered by a result area.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>de</em> </td><td>the directed edge to test. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>opCode</em> </td><td>the overlap operation </td></tr>
<tr><td valign="top"></td><td valign="top"><em>edges</em> </td><td>the list of included line edges. </td></tr>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="LineBuilder_8h_source.html">LineBuilder.h</a></li>
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