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href="dir_aff05fbfaa680d703c0f361fce7b6a2e.html">distance</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">DiscreteFrechetDistance.h</div> </div> </div><!--header--> <div class="contents"> <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) 2016 Shinichi SUGIYAMA (shin.sugi@gmail.com)</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * by the Free Software Foundation.</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * See the COPYING file for more information.</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> **********************************************************************</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"> * Last port: original work</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"> * Developed by Shinichi SUGIYAMA (shin.sugi@gmail.com)</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * based on http://www.kr.tuwien.ac.at/staff/eiter/et-archive/cdtr9464.pdf</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> <span class="comment"> **********************************************************************/</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef GEOS_ALGORITHM_DISTANCE_DISCRETEFRECHETDISTANCE_H</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_ALGORITHM_DISTANCE_DISCRETEFRECHETDISTANCE_H</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <geos/algorithm/distance/PointPairDistance.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <geos/algorithm/distance/DistanceToPoint.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <geos/util/IllegalArgumentException.h></span> <span class="comment">// for inlines</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <geos/geom/Geometry.h></span> <span class="comment">// for inlines</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <geos/util/math.h></span> <span class="comment">// for inlines</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <geos/geom/CoordinateFilter.h></span> <span class="comment">// for inheritance</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <geos/geom/CoordinateSequence.h></span> <span class="comment">// for inheritance</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <cstddef></span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <vector></span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(push)</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>algorithm {</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">//class RayCrossingCounter;</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> <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">class </span>Geometry;</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">class </span>Coordinate;</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">//class CoordinateSequence;</span></div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">namespace </span>index {</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">namespace </span>intervalrtree {</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">//class SortedPackedIntervalRTree;</span></div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> }</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">namespace </span>algorithm { <span class="comment">// geos::algorithm</span></div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">namespace </span>distance { <span class="comment">// geos::algorithm::distance</span></div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance.html"> 106</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance.html">DiscreteFrechetDistance</a> {</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> distance(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g0,</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g1);</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> distance(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g0,</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g1, <span class="keywordtype">double</span> densifyFrac);</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance.html">DiscreteFrechetDistance</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& p_g0,</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& p_g1)</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  :</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  g0(p_g0),</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  g1(p_g1),</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ptDist(),</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  densifyFrac(0.0)</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  {}</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">void</span></div> <div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance.html#ac62530b30f16fb7697d366766e79dad9"> 133</a></span>  <a class="code" href="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance.html#ac62530b30f16fb7697d366766e79dad9">setDensifyFraction</a>(<span class="keywordtype">double</span> dFrac)</div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  {</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span>(dFrac > 1.0 || dFrac <= 0.0) {</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">throw</span> <a class="code" href="classgeos_1_1util_1_1IllegalArgumentException.html">util::IllegalArgumentException</a>(</div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="stringliteral">"Fraction is not in range (0.0 - 1.0]"</span>);</div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  densifyFrac = dFrac;</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordtype">double</span></div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  distance()</div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  compute(g0, g1);</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> ptDist.getDistance();</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> std::array<geom::Coordinate, 2></div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  getCoordinates()<span class="keyword"> const</span></div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> ptDist.getCoordinates();</div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> getSegementAt(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>& seq, <span class="keywordtype">size_t</span> index);</div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  PointPairDistance& getFrecheDistance(std::vector< std::vector<PointPairDistance> >& ca, <span class="keywordtype">size_t</span> i, <span class="keywordtype">size_t</span> j,</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>& p, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>& q);</div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">void</span> compute(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& discreteGeom, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& geom);</div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g0;</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g1;</div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  PointPairDistance ptDist;</div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">double</span> densifyFrac; <span class="comment">// = 0.0;</span></div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  DiscreteFrechetDistance(<span class="keyword">const</span> DiscreteFrechetDistance& other) = <span class="keyword">delete</span>;</div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  DiscreteFrechetDistance& operator=(<span class="keyword">const</span> DiscreteFrechetDistance& rhs) = <span class="keyword">delete</span>;</div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> };</div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> } <span class="comment">// geos::algorithm::distance</span></div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> } <span class="comment">// geos::algorithm</span></div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> } <span class="comment">// geos</span></div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(pop)</span></div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#endif // GEOS_ALGORITHM_DISTANCE_DISCRETEFRECHETDISTANCE_H</span></div> <div class="ttc" id="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance_html_ac62530b30f16fb7697d366766e79dad9"><div class="ttname"><a href="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance.html#ac62530b30f16fb7697d366766e79dad9">geos::algorithm::distance::DiscreteFrechetDistance::setDensifyFraction</a></div><div class="ttdeci">void setDensifyFraction(double dFrac)</div><div class="ttdef"><b>Definition:</b> DiscreteFrechetDistance.h:133</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Coordinate_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Coordinate.html">geos::geom::Coordinate</a></div><div class="ttdoc">Coordinate is the lightweight class used to store coordinates. </div><div class="ttdef"><b>Definition:</b> Coordinate.h:60</div></div> <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> Geometry.h:188</div></div> <div class="ttc" id="classgeos_1_1util_1_1IllegalArgumentException_html"><div class="ttname"><a href="classgeos_1_1util_1_1IllegalArgumentException.html">geos::util::IllegalArgumentException</a></div><div class="ttdoc">Indicates one or more illegal arguments. </div><div class="ttdef"><b>Definition:</b> IllegalArgumentException.h:34</div></div> <div class="ttc" id="classgeos_1_1geom_1_1CoordinateSequence_html"><div class="ttname"><a href="classgeos_1_1geom_1_1CoordinateSequence.html">geos::geom::CoordinateSequence</a></div><div class="ttdoc">The internal representation of a list of coordinates inside a Geometry. </div><div class="ttdef"><b>Definition:</b> CoordinateSequence.h:58</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1distance_1_1DiscreteFrechetDistance.html">geos::algorithm::distance::DiscreteFrechetDistance</a></div><div class="ttdoc">An algorithm for computing a distance metric which is an approximation to the Frechet Distance based ...</div><div class="ttdef"><b>Definition:</b> DiscreteFrechetDistance.h:106</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> 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