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<a href="LineSegment_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) 2009 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: geom/LineSegment.java r18 (JTS-1.11)</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_GEOM_LINESEGMENT_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define GEOS_GEOM_LINESEGMENT_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="export_8h.html">geos/export.h</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="Coordinate_8h.html">geos/geom/Coordinate.h</a>></span> <span class="comment">// for composition</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="inline_8h.html">geos/inline.h</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <array></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <iostream></span> <span class="comment">// for ostream</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <functional></span> <span class="comment">// for std::hash</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <memory></span> <span class="comment">// for unique_ptr</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="comment">// Forward declarations</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>geom {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">class </span>CoordinateSequence;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">class </span>GeometryFactory;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">class </span>LineString;</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> }</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span>geom { <span class="comment">// geos::geom</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classgeos_1_1geom_1_1LineSegment.html"> 59</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a> {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">friend</span> std::ostream& <a class="code" href="namespacegeos_1_1geom.html#a2031e0143940407ca589d3216cf0eb06">operator<< </a>(std::ostream& o, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& l);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classgeos_1_1geom_1_1LineSegment.html#ac3286355f41210086e4eab4498b46ba9"> 64</a></span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html#ac3286355f41210086e4eab4498b46ba9">p0</a>; </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classgeos_1_1geom_1_1LineSegment.html#a9382e49d86a10de5d5be69560824d900"> 66</a></span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html#a9382e49d86a10de5d5be69560824d900">p1</a>; </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>();</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& c0, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& c1);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>(<span class="keywordtype">double</span> x0, <span class="keywordtype">double</span> y0, <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">void</span> setCoordinates(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& c0, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& c1);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// obsoleted, use operator[] instead</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">//const Coordinate& getCoordinate(std::size_t i) const;</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& operator[](std::size_t i) <span class="keyword">const</span>;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& operator[](std::size_t i);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">void</span> setCoordinates(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& ls);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">double</span> getLength() <span class="keyword">const</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">bool</span> isHorizontal() <span class="keyword">const</span>;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">bool</span> isVertical() <span class="keyword">const</span>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordtype">int</span> orientationIndex(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& seg) <span class="keyword">const</span>;</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>  <span class="comment">// TODO: deprecate this</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">int</span> orientationIndex(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>* seg) <span class="keyword">const</span>;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">int</span> orientationIndex(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& p) <span class="keyword">const</span>;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">void</span> reverse();</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">//</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"></span> <span class="keywordtype">void</span> normalize();</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">double</span> angle() <span class="keyword">const</span>;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">//</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"></span> <span class="keywordtype">void</span> midPoint(<a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& ret) <span class="keyword">const</span>;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">double</span> distance(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& ls) <span class="keyword">const</span>;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">double</span> distance(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& p) <span class="keyword">const</span>;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">double</span> distancePerpendicular(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& p) <span class="keyword">const</span>;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">void</span> pointAlong(<span class="keywordtype">double</span> segmentLengthFraction, <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& ret) <span class="keyword">const</span>;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">void</span> pointAlongOffset(<span class="keywordtype">double</span> segmentLengthFraction,</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordtype">double</span> offsetDistance,</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& ret) <span class="keyword">const</span>;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">double</span> projectionFactor(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& p) <span class="keyword">const</span>;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">double</span> segmentFraction(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& inputPt) <span class="keyword">const</span>;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">void</span> project(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& p, <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& ret) <span class="keyword">const</span>;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordtype">bool</span> project(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& seg, <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& ret) <span class="keyword">const</span>;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">//</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"></span> <span class="keywordtype">void</span> closestPoint(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& p, <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& ret) <span class="keyword">const</span>;</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordtype">int</span> compareTo(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& other) <span class="keyword">const</span>;</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordtype">bool</span> equalsTopo(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& other) <span class="keyword">const</span>;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  std::array<Coordinate, 2> closestPoints(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& line);</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  std::array<Coordinate, 2> closestPoints(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>* line);</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> intersection(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& line) <span class="keyword">const</span>;</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> lineIntersection(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& line) <span class="keyword">const</span>;</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  std::unique_ptr<LineString> toGeometry(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">GeometryFactory</a>& gf) <span class="keyword">const</span>;</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div><div class="line"><a name="l00364"></a><span class="lineno"><a class="line" href="structgeos_1_1geom_1_1LineSegment_1_1HashCode.html"> 364</a></span>  <span class="keyword">struct </span><a class="code" href="structgeos_1_1geom_1_1LineSegment_1_1HashCode.html">HashCode</a> {</div><div class="line"><a name="l00365"></a><span class="lineno"><a class="line" href="structgeos_1_1geom_1_1LineSegment_1_1HashCode.html#a24c91ba113c4ae6394508bf7c2d1955c"> 365</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structgeos_1_1geom_1_1LineSegment_1_1HashCode.html#a24c91ba113c4ae6394508bf7c2d1955c">operator()</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a> & s)<span class="keyword"> const </span>{</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordtype">size_t</span> h = std::hash<double>{}(s.<a class="code" href="classgeos_1_1geom_1_1LineSegment.html#ac3286355f41210086e4eab4498b46ba9">p0</a>.<a class="code" href="classgeos_1_1geom_1_1Coordinate.html#ad809a77e5715e490a7e5f95c8611737e">x</a>);</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  h ^= (std::hash<double>{}(s.<a class="code" href="classgeos_1_1geom_1_1LineSegment.html#ac3286355f41210086e4eab4498b46ba9">p0</a>.<a class="code" href="classgeos_1_1geom_1_1Coordinate.html#acdeb58356624ebe25cbbf5b6021c3d9d">y</a>) << 1);</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  h ^= (std::hash<double>{}(s.<a class="code" href="classgeos_1_1geom_1_1LineSegment.html#a9382e49d86a10de5d5be69560824d900">p1</a>.<a class="code" href="classgeos_1_1geom_1_1Coordinate.html#ad809a77e5715e490a7e5f95c8611737e">x</a>) << 1);</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">return</span> h ^ (std::hash<double>{}(s.<a class="code" href="classgeos_1_1geom_1_1LineSegment.html#a9382e49d86a10de5d5be69560824d900">p1</a>.<a class="code" href="classgeos_1_1geom_1_1Coordinate.html#acdeb58356624ebe25cbbf5b6021c3d9d">y</a>) << 1);</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  }</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  };</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> };</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> std::ostream& <a class="code" href="namespacegeos_1_1geom.html#a2031e0143940407ca589d3216cf0eb06">operator<< </a>(std::ostream& o, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& l);</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="keywordtype">bool</span> <a class="code" href="namespacegeos_1_1geom.html#aa3ab17cfa95af46ea53ac92482041d76">operator==</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& a, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">LineSegment</a>& b);</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> } <span class="comment">// namespace geos::geom</span></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> } <span class="comment">// namespace geos</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="preprocessor">#ifdef GEOS_INLINE</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="preprocessor"># include "geos/geom/LineSegment.inl"</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="preprocessor">#endif // ndef GEOS_GEOM_LINESEGMENT_H</span></div><div class="ttc" id="classgeos_1_1geom_1_1LineSegment_html"><div class="ttname"><a href="classgeos_1_1geom_1_1LineSegment.html">geos::geom::LineSegment</a></div><div class="ttdef"><b>Definition:</b> <a href="LineSegment_8h_source.html#l00059">LineSegment.h:59</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1LineSegment_html_a9382e49d86a10de5d5be69560824d900"><div class="ttname"><a href="classgeos_1_1geom_1_1LineSegment.html#a9382e49d86a10de5d5be69560824d900">geos::geom::LineSegment::p1</a></div><div class="ttdeci">Coordinate p1</div><div class="ttdoc">Segment start. </div><div class="ttdef"><b>Definition:</b> <a href="LineSegment_8h_source.html#l00066">LineSegment.h:66</a></div></div>
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<div class="ttc" id="export_8h_html_ae36df939090171f6e9a28a8cb6254fea"><div class="ttname"><a href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a></div><div class="ttdeci">#define GEOS_DLL</div><div class="ttdef"><b>Definition:</b> <a href="export_8h_source.html#l00028">export.h:28</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1Coordinate_html_acdeb58356624ebe25cbbf5b6021c3d9d"><div class="ttname"><a href="classgeos_1_1geom_1_1Coordinate.html#acdeb58356624ebe25cbbf5b6021c3d9d">geos::geom::Coordinate::y</a></div><div class="ttdeci">double y</div><div class="ttdoc">y-coordinate </div><div class="ttdef"><b>Definition:</b> <a href="Coordinate_8h_source.html#l00083">Coordinate.h:83</a></div></div>
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<div class="ttc" id="inline_8h_html"><div class="ttname"><a href="inline_8h.html">inline.h</a></div></div>
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<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> <a href="Coordinate_8h_source.html#l00060">Coordinate.h:60</a></div></div>
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<div class="ttc" id="export_8h_html"><div class="ttname"><a href="export_8h.html">export.h</a></div></div>
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<div class="ttc" id="structgeos_1_1geom_1_1LineSegment_1_1HashCode_html_a24c91ba113c4ae6394508bf7c2d1955c"><div class="ttname"><a href="structgeos_1_1geom_1_1LineSegment_1_1HashCode.html#a24c91ba113c4ae6394508bf7c2d1955c">geos::geom::LineSegment::HashCode::operator()</a></div><div class="ttdeci">size_t operator()(const LineSegment &s) const </div><div class="ttdef"><b>Definition:</b> <a href="LineSegment_8h_source.html#l00365">LineSegment.h:365</a></div></div>
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<div class="ttc" id="structgeos_1_1geom_1_1LineSegment_1_1HashCode_html"><div class="ttname"><a href="structgeos_1_1geom_1_1LineSegment_1_1HashCode.html">geos::geom::LineSegment::HashCode</a></div><div class="ttdef"><b>Definition:</b> <a href="LineSegment_8h_source.html#l00364">LineSegment.h:364</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1LineSegment_html_ac3286355f41210086e4eab4498b46ba9"><div class="ttname"><a href="classgeos_1_1geom_1_1LineSegment.html#ac3286355f41210086e4eab4498b46ba9">geos::geom::LineSegment::p0</a></div><div class="ttdeci">Coordinate p0</div><div class="ttdef"><b>Definition:</b> <a href="LineSegment_8h_source.html#l00064">LineSegment.h:64</a></div></div>
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<div class="ttc" id="namespacegeos_1_1geom_html_a2031e0143940407ca589d3216cf0eb06"><div class="ttname"><a href="namespacegeos_1_1geom.html#a2031e0143940407ca589d3216cf0eb06">geos::geom::operator<<</a></div><div class="ttdeci">std::ostream & operator<<(std::ostream &os, const Coordinate &c)</div><div class="ttdoc">Output function. </div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1GeometryFactory_html"><div class="ttname"><a href="classgeos_1_1geom_1_1GeometryFactory.html">geos::geom::GeometryFactory</a></div><div class="ttdoc">Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...</div><div class="ttdef"><b>Definition:</b> <a href="GeometryFactory_8h_source.html#l00068">GeometryFactory.h:68</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="Coordinate_8h_html"><div class="ttname"><a href="Coordinate_8h.html">Coordinate.h</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1Coordinate_html_ad809a77e5715e490a7e5f95c8611737e"><div class="ttname"><a href="classgeos_1_1geom_1_1Coordinate.html#ad809a77e5715e490a7e5f95c8611737e">geos::geom::Coordinate::x</a></div><div class="ttdeci">double x</div><div class="ttdoc">x-coordinate </div><div class="ttdef"><b>Definition:</b> <a href="Coordinate_8h_source.html#l00080">Coordinate.h:80</a></div></div>
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<div class="ttc" id="namespacegeos_1_1geom_html_aa3ab17cfa95af46ea53ac92482041d76"><div class="ttname"><a href="namespacegeos_1_1geom.html#aa3ab17cfa95af46ea53ac92482041d76">geos::geom::operator==</a></div><div class="ttdeci">bool operator==(const Coordinate &a, const Coordinate &b)</div><div class="ttdoc">Equality operator for Coordinate. 2D only. </div></div>
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