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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_1predicate.html">predicate</a></li><li class="navelem"><a class="el" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html">SegmentIntersectionTester</a></li> </ul>
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<p>Tests if any line segments in two sets of CoordinateSequences intersect.
<a href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="SegmentIntersectionTester_8h_source.html">SegmentIntersectionTester.h</a>&gt;</code></p>
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Collaboration diagram for geos::operation::predicate::SegmentIntersectionTester:</div>
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Public Member Functions</h2></td></tr>
<tr class="memitem:abd3f722188e7232d5f7766df405639d9"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html#abd3f722188e7232d5f7766df405639d9">SegmentIntersectionTester</a> ()</td></tr>
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<tr class="memitem:a558b77aa9a0834e23ceec77cb845580f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html#a558b77aa9a0834e23ceec77cb845580f">hasIntersectionWithLineStrings</a> (const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;line, const std::vector&lt; const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> * &gt; &amp;lines)</td></tr>
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<tr class="memitem:ad6f45156d4052c2a58cd72b454c5c37e"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html#ad6f45156d4052c2a58cd72b454c5c37e">hasIntersection</a> (const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;line, const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;testLine)</td></tr>
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<tr class="memitem:abb2a4b93b9c6054c1257c3e6f215fcaf"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html#abb2a4b93b9c6054c1257c3e6f215fcaf">hasIntersectionWithEnvelopeFilter</a> (const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;line, const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;testLine)</td></tr>
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Private Attributes</h2></td></tr>
<tr class="memitem:a6be42ec83b0c6c6b4778cec81f5b4719"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html#a6be42ec83b0c6c6b4778cec81f5b4719">li</a></td></tr>
<tr class="memdesc:a6be42ec83b0c6c6b4778cec81f5b4719"><td class="mdescLeft">&#160;</td><td class="mdescRight">For purposes of intersection testing, don't need to set precision model. <a href="#a6be42ec83b0c6c6b4778cec81f5b4719">More...</a><br /></td></tr>
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<tr class="memitem:a38bbf7f4574a5c6df8a6ab5f24f42568"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html#a38bbf7f4574a5c6df8a6ab5f24f42568">hasIntersectionVar</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Tests if any line segments in two sets of CoordinateSequences intersect. </p>
<p>The algorithm is optimized for use when the first input has smaller extent than the set of test lines. The code is short-circuited to return as soon an intersection is found. </p>
<p>Definition at line <a class="el" href="SegmentIntersectionTester_8h_source.html#l00048">48</a> of file <a class="el" href="SegmentIntersectionTester_8h_source.html">SegmentIntersectionTester.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<td class="memname">geos::operation::predicate::SegmentIntersectionTester::SegmentIntersectionTester </td>
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<p>Definition at line <a class="el" href="SegmentIntersectionTester_8h_source.html#l00062">62</a> of file <a class="el" href="SegmentIntersectionTester_8h_source.html">SegmentIntersectionTester.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">bool geos::operation::predicate::SegmentIntersectionTester::hasIntersection </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;&#160;</td>
<td class="paramname"><em>line</em>, </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;&#160;</td>
<td class="paramname"><em>testLine</em>&#160;</td>
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<td class="memname">bool geos::operation::predicate::SegmentIntersectionTester::hasIntersectionWithEnvelopeFilter </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;&#160;</td>
<td class="paramname"><em>line</em>, </td>
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<p>Tests the segments of a LineString against the segs in another LineString for intersection. Uses the envelope of the query LineString to filter before testing segments directly. This is optimized for the case when the query LineString is a rectangle.</p>
<p>Testing shows this is somewhat faster than not checking the envelope.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd></dd></dl>
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<td class="memname">bool geos::operation::predicate::SegmentIntersectionTester::hasIntersectionWithLineStrings </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &amp;&#160;</td>
<td class="paramname"><em>line</em>, </td>
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<td class="paramtype">const std::vector&lt; const <a class="el" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> * &gt; &amp;&#160;</td>
<td class="paramname"><em>lines</em>&#160;</td>
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<h2 class="groupheader">Member Data Documentation</h2>
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<p>Definition at line <a class="el" href="SegmentIntersectionTester_8h_source.html#l00058">58</a> of file <a class="el" href="SegmentIntersectionTester_8h_source.html">SegmentIntersectionTester.h</a>.</p>
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<td class="memname"><a class="el" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a> geos::operation::predicate::SegmentIntersectionTester::li</td>
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<p>For purposes of intersection testing, don't need to set precision model. </p>
<p>Definition at line <a class="el" href="SegmentIntersectionTester_8h_source.html#l00056">56</a> of file <a class="el" href="SegmentIntersectionTester_8h_source.html">SegmentIntersectionTester.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="SegmentIntersectionTester_8h_source.html">SegmentIntersectionTester.h</a></li>
</ul>
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