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<title>GEOS: geos::geomgraph::index::SimpleSweepLineIntersector Class Reference</title>
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<li><a class="el" href="classgeos_1_1geomgraph_1_1index_1_1SimpleSweepLineIntersector.html">geos::geomgraph::index::SimpleSweepLineIntersector</a> </li>
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<h1>geos::geomgraph::index::SimpleSweepLineIntersector Class Reference</h1> </div>
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<!-- doxytag: class="geos::geomgraph::index::SimpleSweepLineIntersector" --><!-- doxytag: inherits="geos::geomgraph::index::EdgeSetIntersector" -->
<p>Finds all intersections in one or two sets of edges, using a simple x-axis sweepline algorithm.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="SimpleSweepLineIntersector_8h_source.html">SimpleSweepLineIntersector.h</a>></code></p>
<p>Inherits geos::geomgraph::index::EdgeSetIntersector.</p>
<p><a href="classgeos_1_1geomgraph_1_1index_1_1SimpleSweepLineIntersector-members.html">List of all members.</a></p>
<table class="memberdecls">
<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="aa1aebed3a3cc0f2f19fe1341770c61b9"></a><!-- doxytag: member="geos::geomgraph::index::SimpleSweepLineIntersector::computeIntersections" ref="aa1aebed3a3cc0f2f19fe1341770c61b9" args="(std::vector< Edge * > *edges, SegmentIntersector *si, bool testAllSegments)" -->
void </td><td class="memItemRight" valign="bottom"><b>computeIntersections</b> (std::vector< Edge * > *edges, SegmentIntersector *si, bool testAllSegments)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af6f81beb9cb131cb3c2b00b9e2ec065d"></a><!-- doxytag: member="geos::geomgraph::index::SimpleSweepLineIntersector::computeIntersections" ref="af6f81beb9cb131cb3c2b00b9e2ec065d" args="(std::vector< Edge * > *edges0, std::vector< Edge * > *edges1, SegmentIntersector *si)" -->
void </td><td class="memItemRight" valign="bottom"><b>computeIntersections</b> (std::vector< Edge * > *edges0, std::vector< Edge * > *edges1, SegmentIntersector *si)</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Finds all intersections in one or two sets of edges, using a simple x-axis sweepline algorithm. </p>
<p>While still O(n^2) in the worst case, this algorithm drastically improves the average-case time. </p>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="SimpleSweepLineIntersector_8h_source.html">SimpleSweepLineIntersector.h</a></li>
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