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<a href="LengthLocationMap_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2011 Sandro Santilli <strk@kbt.io></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2005-2006 Refractions Research Inc.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * by the Free Software Foundation.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * See the COPYING file for more information.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> **********************************************************************</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Last port: linearref/LengthLocationMap.java r463</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef GEOS_LINEARREF_LENGTHLOCATIONMAP_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define GEOS_LINEARREF_LENGTHLOCATIONMAP_H</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="Coordinate_8h.html">geos/geom/Coordinate.h</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="Geometry_8h.html">geos/geom/Geometry.h</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="LinearLocation_8h.html">geos/linearref/LinearLocation.h</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>linearref { <span class="comment">// geos::linearref</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classgeos_1_1linearref_1_1LengthLocationMap.html"> 38</a></span> <span class="keyword">class </span><a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html">LengthLocationMap</a> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classgeos_1_1linearref_1_1LengthLocationMap.html#a923de63f64d3304a62bcf924f3131cc5"> 42</a></span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#a923de63f64d3304a62bcf924f3131cc5">linearGeom</a>;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a> <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#ae4b6ca44b1de9df17d620e56e36da9d5">getLocationForward</a>(<span class="keywordtype">double</span> length) <span class="keyword">const</span>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a> <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#add834e1b7eaeb7f0bf3af0dfeb333b99">resolveHigher</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a>& loc) <span class="keyword">const</span>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// TODO: cache computed cumulative length for each vertex</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// TODO: support user-defined measures</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// TODO: support measure index for fast mapping to a location</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a></div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classgeos_1_1linearref_1_1LengthLocationMap.html#ad1d7efe751b46d58b3882520493a191a"> 64</a></span>  <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#ad1d7efe751b46d58b3882520493a191a">getLocation</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* linearGeom, <span class="keywordtype">double</span> length)</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html">LengthLocationMap</a> locater(linearGeom);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> locater.<a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#ad1d7efe751b46d58b3882520493a191a">getLocation</a>(length);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a></div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classgeos_1_1linearref_1_1LengthLocationMap.html#a5cce691512a3f756daa90e423fc5a020"> 82</a></span>  <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#a5cce691512a3f756daa90e423fc5a020">getLocation</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* linearGeom, <span class="keywordtype">double</span> length, <span class="keywordtype">bool</span> resolveLower)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html">LengthLocationMap</a> locater(linearGeom);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> locater.<a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#ad1d7efe751b46d58b3882520493a191a">getLocation</a>(length, resolveLower);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#a84c50d3b08e0c48c16feb1af0ba77434">getLength</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* linearGeom, <span class="keyword">const</span> <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a>& loc);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#aec43907d90023a6dc760b9c8df2ea40a">LengthLocationMap</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* linearGeom);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a> <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#ad1d7efe751b46d58b3882520493a191a">getLocation</a>(<span class="keywordtype">double</span> length, <span class="keywordtype">bool</span> resolveLower) <span class="keyword">const</span>;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a> <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#ad1d7efe751b46d58b3882520493a191a">getLocation</a>(<span class="keywordtype">double</span> length) <span class="keyword">const</span>;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1linearref_1_1LengthLocationMap.html#a84c50d3b08e0c48c16feb1af0ba77434">getLength</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a>& loc) <span class="keyword">const</span>;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> };</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> } <span class="comment">// geos.linearref</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> } <span class="comment">// geos</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classgeos_1_1linearref_1_1LengthLocationMap_html_ad1d7efe751b46d58b3882520493a191a"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthLocationMap.html#ad1d7efe751b46d58b3882520493a191a">geos::linearref::LengthLocationMap::getLocation</a></div><div class="ttdeci">static LinearLocation getLocation(const geom::Geometry *linearGeom, double length)</div><div class="ttdoc">Computes the LinearLocation for a given length along a linear Geometry. </div><div class="ttdef"><b>Definition:</b> <a href="LengthLocationMap_8h_source.html#l00064">LengthLocationMap.h:64</a></div></div>
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<div class="ttc" id="classgeos_1_1linearref_1_1LengthLocationMap_html_add834e1b7eaeb7f0bf3af0dfeb333b99"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthLocationMap.html#add834e1b7eaeb7f0bf3af0dfeb333b99">geos::linearref::LengthLocationMap::resolveHigher</a></div><div class="ttdeci">LinearLocation resolveHigher(const LinearLocation &loc) const </div></div>
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<div class="ttc" id="classgeos_1_1linearref_1_1LengthLocationMap_html_a84c50d3b08e0c48c16feb1af0ba77434"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthLocationMap.html#a84c50d3b08e0c48c16feb1af0ba77434">geos::linearref::LengthLocationMap::getLength</a></div><div class="ttdeci">static double getLength(const geom::Geometry *linearGeom, const LinearLocation &loc)</div></div>
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<div class="ttc" id="classgeos_1_1linearref_1_1LengthLocationMap_html_a5cce691512a3f756daa90e423fc5a020"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthLocationMap.html#a5cce691512a3f756daa90e423fc5a020">geos::linearref::LengthLocationMap::getLocation</a></div><div class="ttdeci">static LinearLocation getLocation(const geom::Geometry *linearGeom, double length, bool resolveLower)</div><div class="ttdoc">Computes the LinearLocation for a given length along a linear [Geometry]. </div><div class="ttdef"><b>Definition:</b> <a href="LengthLocationMap_8h_source.html#l00082">LengthLocationMap.h:82</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1Geometry_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Geometry.html">geos::geom::Geometry</a></div><div class="ttdoc">Basic implementation of Geometry, constructed and destructed by GeometryFactory. </div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00188">Geometry.h:188</a></div></div>
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<div class="ttc" id="classgeos_1_1linearref_1_1LengthLocationMap_html_ae4b6ca44b1de9df17d620e56e36da9d5"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthLocationMap.html#ae4b6ca44b1de9df17d620e56e36da9d5">geos::linearref::LengthLocationMap::getLocationForward</a></div><div class="ttdeci">LinearLocation getLocationForward(double length) const </div></div>
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<div class="ttc" id="classgeos_1_1linearref_1_1LinearLocation_html"><div class="ttname"><a href="classgeos_1_1linearref_1_1LinearLocation.html">geos::linearref::LinearLocation</a></div><div class="ttdoc">Represents a location along a LineString or MultiLineString. </div><div class="ttdef"><b>Definition:</b> <a href="LinearLocation_8h_source.html#l00044">LinearLocation.h:44</a></div></div>
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<div class="ttc" id="classgeos_1_1linearref_1_1LengthLocationMap_html_a923de63f64d3304a62bcf924f3131cc5"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthLocationMap.html#a923de63f64d3304a62bcf924f3131cc5">geos::linearref::LengthLocationMap::linearGeom</a></div><div class="ttdeci">const geom::Geometry * linearGeom</div><div class="ttdef"><b>Definition:</b> <a href="LengthLocationMap_8h_source.html#l00042">LengthLocationMap.h:42</a></div></div>
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<div class="ttc" id="namespacegeos_html"><div class="ttname"><a href="namespacegeos.html">geos</a></div><div class="ttdoc">Basic namespace for all GEOS functionalities. </div><div class="ttdef"><b>Definition:</b> <a href="IndexedNestedRingTester_8h_source.html#l00026">IndexedNestedRingTester.h:26</a></div></div>
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<div class="ttc" id="classgeos_1_1linearref_1_1LengthLocationMap_html"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthLocationMap.html">geos::linearref::LengthLocationMap</a></div><div class="ttdoc">Computes the LinearLocation for a given length along a linear Geometry. </div><div class="ttdef"><b>Definition:</b> <a href="LengthLocationMap_8h_source.html#l00038">LengthLocationMap.h:38</a></div></div>
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<div class="ttc" id="Coordinate_8h_html"><div class="ttname"><a href="Coordinate_8h.html">Coordinate.h</a></div></div>
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<div class="ttc" id="LinearLocation_8h_html"><div class="ttname"><a href="LinearLocation_8h.html">LinearLocation.h</a></div></div>
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<div class="ttc" id="classgeos_1_1linearref_1_1LengthLocationMap_html_aec43907d90023a6dc760b9c8df2ea40a"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthLocationMap.html#aec43907d90023a6dc760b9c8df2ea40a">geos::linearref::LengthLocationMap::LengthLocationMap</a></div><div class="ttdeci">LengthLocationMap(const geom::Geometry *linearGeom)</div></div>
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<div class="ttc" id="Geometry_8h_html"><div class="ttname"><a href="Geometry_8h.html">Geometry.h</a></div></div>
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