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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_1algorithm.html">algorithm</a></li><li class="navelem"><a class="el" href="classgeos_1_1algorithm_1_1Distance.html">Distance</a></li> </ul>
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<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<p>Functions to compute distance between basic geometric structures.
<a href="classgeos_1_1algorithm_1_1Distance.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="Distance_8h_source.html">Distance.h</a>&gt;</code></p>
<table class="memberdecls">
<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:accf9ae1896ceca3ff53e708e90199376"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1Distance.html#accf9ae1896ceca3ff53e708e90199376">segmentToSegment</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;A, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;B, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;C, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;D)</td></tr>
<tr class="separator:accf9ae1896ceca3ff53e708e90199376"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad88346785bb47d1148c516bc5ad994a7"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1Distance.html#ad88346785bb47d1148c516bc5ad994a7">pointToSegmentString</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;p, const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *seq)</td></tr>
<tr class="separator:ad88346785bb47d1148c516bc5ad994a7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adeae18f47b91b0706daaee5986a43412"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1Distance.html#adeae18f47b91b0706daaee5986a43412">pointToSegment</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;p, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;A, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;B)</td></tr>
<tr class="separator:adeae18f47b91b0706daaee5986a43412"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a074d94c7b291f65b0203f9288ac638a6"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1Distance.html#a074d94c7b291f65b0203f9288ac638a6">pointToLinePerpendicular</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;p, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;A, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;B)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Functions to compute distance between basic geometric structures. </p>
<dl class="section author"><dt>Author</dt><dd>Martin Davis </dd></dl>
<p>Definition at line <a class="el" href="Distance_8h_source.html#l00035">35</a> of file <a class="el" href="Distance_8h_source.html">Distance.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="a074d94c7b291f65b0203f9288ac638a6"></a>
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<td class="memname">static double geos::algorithm::Distance::pointToLinePerpendicular </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>p</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>A</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>B</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Computes the perpendicular distance from a point p to the (infinite) line containing the points AB</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p</td><td>the point to compute the distance for </td></tr>
<tr><td class="paramname">A</td><td>one point of the line </td></tr>
<tr><td class="paramname">B</td><td>another point of the line (must be different to A) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the distance from p to line AB </dd></dl>
</div>
</div>
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<td class="memname">static double geos::algorithm::Distance::pointToSegment </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>A</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>B</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Computes the distance from a point p to a line segment AB</p>
<p>Note: NON-ROBUST!</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p</td><td>the point to compute the distance for </td></tr>
<tr><td class="paramname">A</td><td>one point of the line </td></tr>
<tr><td class="paramname">B</td><td>another point of the line (must be different to A) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the distance from p to line segment AB </dd></dl>
</div>
</div>
<a class="anchor" id="ad88346785bb47d1148c516bc5ad994a7"></a>
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<td class="memname">static double geos::algorithm::Distance::pointToSegmentString </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *&#160;</td>
<td class="paramname"><em>seq</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Computes the distance from a point to a sequence of line segments.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p</td><td>a point </td></tr>
<tr><td class="paramname">seq</td><td>a sequence of contiguous line segments defined by their vertices </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the minimum distance between the point and the line segments </dd></dl>
</div>
</div>
<a class="anchor" id="accf9ae1896ceca3ff53e708e90199376"></a>
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<td class="memname">static double geos::algorithm::Distance::segmentToSegment </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>A</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>B</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>C</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
<td class="paramname"><em>D</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Computes the distance from a line segment AB to a line segment CD</p>
<p>Note: NON-ROBUST!</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">A</td><td>a point of one line </td></tr>
<tr><td class="paramname">B</td><td>the second point of (must be different to A) </td></tr>
<tr><td class="paramname">C</td><td>one point of the line </td></tr>
<tr><td class="paramname">D</td><td>another point of the line (must be different to A) </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="Distance_8h_source.html">Distance.h</a></li>
</ul>
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