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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_1noding.html">noding</a></li><li class="navelem"><a class="el" href="classgeos_1_1noding_1_1SegmentIntersector.html">SegmentIntersector</a></li> </ul>
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<div class="title">geos::noding::SegmentIntersector Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>Processes possible intersections detected by a <a class="el" href="classgeos_1_1noding_1_1Noder.html" title="Computes all intersections between segments in a set of SegmentString. ">Noder</a>.
<a href="classgeos_1_1noding_1_1SegmentIntersector.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="noding_2SegmentIntersector_8h_source.html">SegmentIntersector.h</a>&gt;</code></p>
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Inheritance diagram for geos::noding::SegmentIntersector:</div>
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Public Member Functions</h2></td></tr>
<tr class="memitem:ab37c13c8ccf0a75ad60df76fab4e4175"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1SegmentIntersector.html#ab37c13c8ccf0a75ad60df76fab4e4175">processIntersections</a> (<a class="el" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a> *e0, size_t segIndex0, <a class="el" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a> *e1, size_t segIndex1)=0</td></tr>
<tr class="separator:ab37c13c8ccf0a75ad60df76fab4e4175"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2402e2ce3a39edad9f5d283be73b5d1d"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1SegmentIntersector.html#a2402e2ce3a39edad9f5d283be73b5d1d">isDone</a> () const </td></tr>
<tr class="memdesc:a2402e2ce3a39edad9f5d283be73b5d1d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reports whether the client of this class needs to continue testing all intersections in an arrangement. <a href="#a2402e2ce3a39edad9f5d283be73b5d1d">More...</a><br /></td></tr>
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<tr class="memitem:abaed578d309e9cc6816f532a12e6019e"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1SegmentIntersector.html#abaed578d309e9cc6816f532a12e6019e">~SegmentIntersector</a> ()</td></tr>
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Protected Member Functions</h2></td></tr>
<tr class="memitem:aad5d64d5214d60e5e867379dc7d9c9ea"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1SegmentIntersector.html#aad5d64d5214d60e5e867379dc7d9c9ea">SegmentIntersector</a> ()</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Processes possible intersections detected by a <a class="el" href="classgeos_1_1noding_1_1Noder.html" title="Computes all intersections between segments in a set of SegmentString. ">Noder</a>. </p>
<p>The <a class="el" href="classgeos_1_1noding_1_1SegmentIntersector.html" title="Processes possible intersections detected by a Noder. ">SegmentIntersector</a> is passed to a <a class="el" href="classgeos_1_1noding_1_1Noder.html" title="Computes all intersections between segments in a set of SegmentString. ">Noder</a>. The addIntersections method is called whenever the <a class="el" href="classgeos_1_1noding_1_1Noder.html" title="Computes all intersections between segments in a set of SegmentString. ">Noder</a> detects that two SegmentStrings <em>might</em> intersect. This class may be used either to find all intersections, or to detect the presence of an intersection. In the latter case, Noders may choose to short-circuit their computation by calling the isDone method. This class is an example of the <em>Strategy</em> pattern.</p>
<dl class="section version"><dt>Version</dt><dd>1.7 </dd></dl>
<p>Definition at line <a class="el" href="noding_2SegmentIntersector_8h_source.html#l00048">48</a> of file <a class="el" href="noding_2SegmentIntersector_8h_source.html">noding/SegmentIntersector.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<td class="memname">virtual geos::noding::SegmentIntersector::~SegmentIntersector </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Definition at line <a class="el" href="noding_2SegmentIntersector_8h_source.html#l00078">78</a> of file <a class="el" href="noding_2SegmentIntersector_8h_source.html">noding/SegmentIntersector.h</a>.</p>
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<td class="memname">geos::noding::SegmentIntersector::SegmentIntersector </td>
<td>(</td>
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<p>Definition at line <a class="el" href="noding_2SegmentIntersector_8h_source.html#l00083">83</a> of file <a class="el" href="noding_2SegmentIntersector_8h_source.html">noding/SegmentIntersector.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual bool geos::noding::SegmentIntersector::isDone </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Reports whether the client of this class needs to continue testing all intersections in an arrangement. </p>
<dl class="section return"><dt>Returns</dt><dd>true if there is not need to continue testing segments</dd></dl>
<p>The default implementation always return false (process all intersections). </p>
<p>Reimplemented in <a class="el" href="classgeos_1_1noding_1_1IntersectionAdder.html#a7628f2135fca2b67837ccb1169d5b95a">geos::noding::IntersectionAdder</a>, <a class="el" href="classgeos_1_1noding_1_1NodingIntersectionFinder.html#a744dce6eb5a0b401f8b08e90dcf2b66f">geos::noding::NodingIntersectionFinder</a>, <a class="el" href="classgeos_1_1noding_1_1SegmentIntersectionDetector.html#a2c0d1bc0b9f34788419661eb950cbe50">geos::noding::SegmentIntersectionDetector</a>, <a class="el" href="classgeos_1_1noding_1_1snapround_1_1SnapRoundingIntersectionAdder.html#a46913b592e89d6c6693ff0105c6250d2">geos::noding::snapround::SnapRoundingIntersectionAdder</a>, <a class="el" href="classgeos_1_1noding_1_1IntersectionFinderAdder.html#ad30ccb6dc1b79a0e19365d3622e86426">geos::noding::IntersectionFinderAdder</a>, and <a class="el" href="classgeos_1_1noding_1_1snap_1_1SnappingIntersectionAdder.html#a8c67ed72b4c3a5f52a54b276d7b7771d">geos::noding::snap::SnappingIntersectionAdder</a>.</p>
<p>Definition at line <a class="el" href="noding_2SegmentIntersector_8h_source.html#l00072">72</a> of file <a class="el" href="noding_2SegmentIntersector_8h_source.html">noding/SegmentIntersector.h</a>.</p>
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<td class="memname">virtual void geos::noding::SegmentIntersector::processIntersections </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a> *&#160;</td>
<td class="paramname"><em>e0</em>, </td>
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<td class="paramname"><em>segIndex0</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a> *&#160;</td>
<td class="paramname"><em>e1</em>, </td>
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<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>segIndex1</em>&#160;</td>
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<td>)</td>
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<p>This method is called by clients of the <a class="el" href="classgeos_1_1noding_1_1SegmentIntersector.html" title="Processes possible intersections detected by a Noder. ">SegmentIntersector</a> interface to process intersections for two segments of the SegmentStrings being intersected. </p>
<p>Implemented in <a class="el" href="classgeos_1_1noding_1_1IntersectionAdder.html#a26dbd8ecc9501c2092a09bfea2dc2f8c">geos::noding::IntersectionAdder</a>, <a class="el" href="classgeos_1_1noding_1_1SegmentIntersectionDetector.html#aa7ab630428e9c06500be34a706726495">geos::noding::SegmentIntersectionDetector</a>, <a class="el" href="classgeos_1_1noding_1_1NodingIntersectionFinder.html#a616d08c60818f511e2461f8bcbeef250">geos::noding::NodingIntersectionFinder</a>, <a class="el" href="classgeos_1_1noding_1_1snapround_1_1SnapRoundingIntersectionAdder.html#abe71f1c3b90735618af19808d8715116">geos::noding::snapround::SnapRoundingIntersectionAdder</a>, <a class="el" href="classgeos_1_1noding_1_1snap_1_1SnappingIntersectionAdder.html#ae15f748ce7cc8c20f8b4237ebdac911f">geos::noding::snap::SnappingIntersectionAdder</a>, and <a class="el" href="classgeos_1_1noding_1_1IntersectionFinderAdder.html#ac4d4d69dfaa0ef6706af8a4bbec1c7e3">geos::noding::IntersectionFinderAdder</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="noding_2SegmentIntersector_8h_source.html">noding/SegmentIntersector.h</a></li>
</ul>
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