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<p>Simplifies a linestring (sequence of points) using the standard Douglas-Peucker algorithm.
<a href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:ab9953bd464fb44c20e6717f1218c0bb6"><td class="memItemLeft" align="right" valign="top">typedef std::vector&lt; short int &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ab9953bd464fb44c20e6717f1218c0bb6">BoolVect</a></td></tr>
<tr class="separator:ab9953bd464fb44c20e6717f1218c0bb6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa42868f76d813e17e9fbbc7312695424"><td class="memItemLeft" align="right" valign="top">typedef std::unique_ptr&lt; <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ab9953bd464fb44c20e6717f1218c0bb6">BoolVect</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#aa42868f76d813e17e9fbbc7312695424">BoolVectAutoPtr</a></td></tr>
<tr class="separator:aa42868f76d813e17e9fbbc7312695424"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0fd791bd65aa85331ab15ad8f7e6141f"><td class="memItemLeft" align="right" valign="top">typedef std::vector&lt; <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a></td></tr>
<tr class="separator:a0fd791bd65aa85331ab15ad8f7e6141f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae9256e03175fa5df9ce2001cc3c646c0"><td class="memItemLeft" align="right" valign="top">typedef std::unique_ptr&lt; <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ae9256e03175fa5df9ce2001cc3c646c0">CoordsVectAutoPtr</a></td></tr>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a85f6ae3d1c6e34ac30d448313815d50a"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a85f6ae3d1c6e34ac30d448313815d50a">DouglasPeuckerLineSimplifier</a> (const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a> &amp;nPts)</td></tr>
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<tr class="memitem:a722e8afe0527f2403655c7c7034d63e6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a722e8afe0527f2403655c7c7034d63e6">setDistanceTolerance</a> (double nDistanceTolerance)</td></tr>
<tr class="memdesc:a722e8afe0527f2403655c7c7034d63e6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the distance tolerance for the simplification. <a href="#a722e8afe0527f2403655c7c7034d63e6">More...</a><br /></td></tr>
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<tr class="memitem:a7708c5a1d2cdca4a84853667d1fff907"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ae9256e03175fa5df9ce2001cc3c646c0">CoordsVectAutoPtr</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a7708c5a1d2cdca4a84853667d1fff907">simplify</a> ()</td></tr>
<tr class="memdesc:a7708c5a1d2cdca4a84853667d1fff907"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a newly allocated Coordinate vector, wrapped into an unique_ptr. <a href="#a7708c5a1d2cdca4a84853667d1fff907">More...</a><br /></td></tr>
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Static Public Member Functions</h2></td></tr>
<tr class="memitem:a2350c9e531d607496a861c5470b8a763"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ae9256e03175fa5df9ce2001cc3c646c0">CoordsVectAutoPtr</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a2350c9e531d607496a861c5470b8a763">simplify</a> (const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a> &amp;nPts, double <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a816f35ed321b645c9d5e58123f7c2322">distanceTolerance</a>)</td></tr>
<tr class="memdesc:a2350c9e531d607496a861c5470b8a763"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a newly allocated Coordinate vector, wrapped into an unique_ptr. <a href="#a2350c9e531d607496a861c5470b8a763">More...</a><br /></td></tr>
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Private Member Functions</h2></td></tr>
<tr class="memitem:a9286cd40044d6df33b22a63c3df18102"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a9286cd40044d6df33b22a63c3df18102">simplifySection</a> (std::size_t i, std::size_t j)</td></tr>
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<tr class="memitem:acc2cfc24f2dde1349790ab303297ba9a"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#acc2cfc24f2dde1349790ab303297ba9a">DouglasPeuckerLineSimplifier</a> (const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html">DouglasPeuckerLineSimplifier</a> &amp;other)=delete</td></tr>
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<tr class="memitem:ad69a4d02f307b5864bdb62ec7b83d08b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html">DouglasPeuckerLineSimplifier</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ad69a4d02f307b5864bdb62ec7b83d08b">operator=</a> (const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html">DouglasPeuckerLineSimplifier</a> &amp;rhs)=delete</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr class="memitem:ab2f8eff8596d80924dd9d556f7118da3"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ab2f8eff8596d80924dd9d556f7118da3">pts</a></td></tr>
<tr class="separator:ab2f8eff8596d80924dd9d556f7118da3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a85389f5258fc05b462393428a1662872"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#aa42868f76d813e17e9fbbc7312695424">BoolVectAutoPtr</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a85389f5258fc05b462393428a1662872">usePt</a></td></tr>
<tr class="separator:a85389f5258fc05b462393428a1662872"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a816f35ed321b645c9d5e58123f7c2322"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a816f35ed321b645c9d5e58123f7c2322">distanceTolerance</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Simplifies a linestring (sequence of points) using the standard Douglas-Peucker algorithm. </p>
<p>Definition at line <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html#l00045">45</a> of file <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
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<td class="memname">typedef std::vector&lt;short int&gt; <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ab9953bd464fb44c20e6717f1218c0bb6">geos::simplify::DouglasPeuckerLineSimplifier::BoolVect</a></td>
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<p>Definition at line <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html#l00049">49</a> of file <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a>.</p>
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<td class="memname">typedef std::unique_ptr&lt;<a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ab9953bd464fb44c20e6717f1218c0bb6">BoolVect</a>&gt; <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#aa42868f76d813e17e9fbbc7312695424">geos::simplify::DouglasPeuckerLineSimplifier::BoolVectAutoPtr</a></td>
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<p>Definition at line <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html#l00050">50</a> of file <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a>.</p>
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<td class="memname">typedef std::vector&lt;<a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>&gt; <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">geos::simplify::DouglasPeuckerLineSimplifier::CoordsVect</a></td>
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<p>Definition at line <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html#l00052">52</a> of file <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a>.</p>
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<td class="memname">typedef std::unique_ptr&lt;<a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a>&gt; <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ae9256e03175fa5df9ce2001cc3c646c0">geos::simplify::DouglasPeuckerLineSimplifier::CoordsVectAutoPtr</a></td>
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<p>Definition at line <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html#l00053">53</a> of file <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a>.</p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<td class="memname">geos::simplify::DouglasPeuckerLineSimplifier::DouglasPeuckerLineSimplifier </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a> &amp;&#160;</td>
<td class="paramname"><em>nPts</em></td><td>)</td>
<td></td>
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<td class="memname">geos::simplify::DouglasPeuckerLineSimplifier::DouglasPeuckerLineSimplifier </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html">DouglasPeuckerLineSimplifier</a> &amp;&#160;</td>
<td class="paramname"><em>other</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">private</span><span class="mlabel">delete</span></span> </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html">DouglasPeuckerLineSimplifier</a>&amp; geos::simplify::DouglasPeuckerLineSimplifier::operator= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html">DouglasPeuckerLineSimplifier</a> &amp;&#160;</td>
<td class="paramname"><em>rhs</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">private</span><span class="mlabel">delete</span></span> </td>
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<td class="memname">void geos::simplify::DouglasPeuckerLineSimplifier::setDistanceTolerance </td>
<td>(</td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>nDistanceTolerance</em></td><td>)</td>
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<p>Sets the distance tolerance for the simplification. </p>
<p>All vertices in the simplified linestring will be within this distance of the original linestring.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">nDistanceTolerance</td><td>the approximation tolerance to use </td></tr>
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<td class="memname">static <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ae9256e03175fa5df9ce2001cc3c646c0">CoordsVectAutoPtr</a> geos::simplify::DouglasPeuckerLineSimplifier::simplify </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a> &amp;&#160;</td>
<td class="paramname"><em>nPts</em>, </td>
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<td class="paramtype">double&#160;</td>
<td class="paramname"><em>distanceTolerance</em>&#160;</td>
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<td>)</td>
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<p>Returns a newly allocated Coordinate vector, wrapped into an unique_ptr. </p>
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<td class="memname"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#ae9256e03175fa5df9ce2001cc3c646c0">CoordsVectAutoPtr</a> geos::simplify::DouglasPeuckerLineSimplifier::simplify </td>
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<p>Returns a newly allocated Coordinate vector, wrapped into an unique_ptr. </p>
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<td class="memname">void geos::simplify::DouglasPeuckerLineSimplifier::simplifySection </td>
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<td class="paramtype">std::size_t&#160;</td>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">double geos::simplify::DouglasPeuckerLineSimplifier::distanceTolerance</td>
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<p>Definition at line <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html#l00086">86</a> of file <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a>.</p>
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<td class="memname">const <a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#a0fd791bd65aa85331ab15ad8f7e6141f">CoordsVect</a>&amp; geos::simplify::DouglasPeuckerLineSimplifier::pts</td>
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<p>Definition at line <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html#l00084">84</a> of file <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a>.</p>
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<td class="memname"><a class="el" href="classgeos_1_1simplify_1_1DouglasPeuckerLineSimplifier.html#aa42868f76d813e17e9fbbc7312695424">BoolVectAutoPtr</a> geos::simplify::DouglasPeuckerLineSimplifier::usePt</td>
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<p>Definition at line <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html#l00085">85</a> of file <a class="el" href="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.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="DouglasPeuckerLineSimplifier_8h_source.html">DouglasPeuckerLineSimplifier.h</a></li>
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