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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_1SegmentPointComparator.html">SegmentPointComparator</a></li> </ul>
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<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<p>Implements a robust method of comparing the relative position of two points along the same segment.
<a href="classgeos_1_1noding_1_1SegmentPointComparator.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="SegmentPointComparator_8h_source.html">SegmentPointComparator.h</a>&gt;</code></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:ad46e6c91ff33c9b14be08072a094ac4a"><td class="memItemLeft" align="right" valign="top">static int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1SegmentPointComparator.html#ad46e6c91ff33c9b14be08072a094ac4a">compare</a> (int octant, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;p0, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;p1)</td></tr>
<tr class="memdesc:ad46e6c91ff33c9b14be08072a094ac4a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Compares two Coordinates for their relative position along a segment lying in the specified <a class="el" href="classgeos_1_1noding_1_1Octant.html" title="Methods for computing and working with octants of the Cartesian plane. ">Octant</a>. <a href="#ad46e6c91ff33c9b14be08072a094ac4a">More...</a><br /></td></tr>
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<tr class="memitem:a0dacaf6187868de20cab6b03da25a968"><td class="memItemLeft" align="right" valign="top">static int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1SegmentPointComparator.html#a0dacaf6187868de20cab6b03da25a968">relativeSign</a> (double x0, double x1)</td></tr>
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<tr class="memitem:afad72511ac465cacf690bd6398629f3c"><td class="memItemLeft" align="right" valign="top">static int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1SegmentPointComparator.html#afad72511ac465cacf690bd6398629f3c">compareValue</a> (int compareSign0, int compareSign1)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Implements a robust method of comparing the relative position of two points along the same segment. </p>
<p>The coordinates are assumed to lie "near" the segment. This means that this algorithm will only return correct results if the input coordinates have the same precision and correspond to rounded values of exact coordinates lying on the segment. </p>
<p>Definition at line <a class="el" href="SegmentPointComparator_8h_source.html#l00040">40</a> of file <a class="el" href="SegmentPointComparator_8h_source.html">SegmentPointComparator.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">static int geos::noding::SegmentPointComparator::compare </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>octant</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>p0</em>, </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>p1</em>&#160;</td>
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<p>Compares two Coordinates for their relative position along a segment lying in the specified <a class="el" href="classgeos_1_1noding_1_1Octant.html" title="Methods for computing and working with octants of the Cartesian plane. ">Octant</a>. </p>
<dl class="section return"><dt>Returns</dt><dd>-1 node0 occurs first </dd>
<dd>
0 the two nodes are equal </dd>
<dd>
1 node1 occurs first </dd></dl>
<p>Definition at line <a class="el" href="SegmentPointComparator_8h_source.html#l00053">53</a> of file <a class="el" href="SegmentPointComparator_8h_source.html">SegmentPointComparator.h</a>.</p>
<p>References <a class="el" href="classgeos_1_1geom_1_1Coordinate.html#a2c21bb7a17fd64f70d6ee55990cb87b9">geos::geom::Coordinate::equals2D()</a>, <a class="el" href="Coordinate_8h_source.html#l00080">geos::geom::Coordinate::x</a>, and <a class="el" href="Coordinate_8h_source.html#l00083">geos::geom::Coordinate::y</a>.</p>
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<td class="memname">static int geos::noding::SegmentPointComparator::compareValue </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>compareSign0</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int&#160;</td>
<td class="paramname"><em>compareSign1</em>&#160;</td>
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<td>)</td>
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<p>Definition at line <a class="el" href="SegmentPointComparator_8h_source.html#l00100">100</a> of file <a class="el" href="SegmentPointComparator_8h_source.html">SegmentPointComparator.h</a>.</p>
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<td class="memname">static int geos::noding::SegmentPointComparator::relativeSign </td>
<td>(</td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>x0</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>x1</em>&#160;</td>
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<td>)</td>
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<p>Definition at line <a class="el" href="SegmentPointComparator_8h_source.html#l00088">88</a> of file <a class="el" href="SegmentPointComparator_8h_source.html">SegmentPointComparator.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="SegmentPointComparator_8h_source.html">SegmentPointComparator.h</a></li>
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