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<a href="MinimumBoundingCircle_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) 2019 Paul Ramsey <pramsey@cleverelephant.ca></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: algorithm/MinimumBoundingCircle.java 2019-01-23</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"> **********************************************************************/</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef GEOS_ALGORITHM_MINIMUMBOUNDINGCIRCLE_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define GEOS_ALGORITHM_MINIMUMBOUNDINGCIRCLE_H</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">#include <<a class="code" href="export_8h.html">geos/export.h</a>></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <<a class="code" href="Coordinate_8h.html">geos/geom/Coordinate.h</a>></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="CoordinateSequence_8h.html">geos/geom/CoordinateSequence.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="Point_8h.html">geos/geom/Point.h</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="Triangle_8h.html">geos/geom/Triangle.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 <vector></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Forward declarations</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// namespace geos {</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// namespace geom {</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// class GeometryCollection;</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// }</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// }</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>algorithm { <span class="comment">// geos::algorithm</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"><a class="line" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html"> 42</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html">MinimumBoundingCircle</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> <span class="keyword">private</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="comment">// member variables</span></div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#ab5f499d33c8b0adb5b52f9474dcfdf3b"> 47</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_1algorithm_1_1MinimumBoundingCircle.html#ab5f499d33c8b0adb5b52f9474dcfdf3b">input</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a334cca5cf3734155e25c01ddbda7709a"> 48</a></span>  std::vector<geom::Coordinate> <a class="code" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a334cca5cf3734155e25c01ddbda7709a">extremalPts</a>;</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#ad61674bb43c5e81a6d3e1408d61f3098"> 49</a></span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> <a class="code" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#ad61674bb43c5e81a6d3e1408d61f3098">centre</a>;</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a4f18e5b191721167668626b5321f4479"> 50</a></span>  <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a4f18e5b191721167668626b5321f4479">radius</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">void</span> computeCentre();</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">void</span> compute();</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">void</span> computeCirclePoints();</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> lowestPoint(std::vector<geom::Coordinate>& pts);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> pointWitMinAngleWithX(std::vector<geom::Coordinate>& pts, <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& P);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> pointWithMinAngleWithSegment(std::vector<geom::Coordinate>& pts,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& P, <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& Q);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  std::vector<geom::Coordinate> farthestPoints(std::vector<geom::Coordinate>& pts);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</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">public</span>:</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_1algorithm_1_1MinimumBoundingCircle.html#aef9d9fdff21e520b3a12c4f2abf957b1"> 64</a></span>  <a class="code" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#aef9d9fdff21e520b3a12c4f2abf957b1">MinimumBoundingCircle</a>(<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="l00065"></a><span class="lineno"> 65</span>  input(nullptr),</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  radius(0.0)</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>  input = geom;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  centre.<a class="code" href="classgeos_1_1geom_1_1Coordinate.html#a97bb820b994c6a77cbe50db79f80a2c2">setNull</a>();</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a847c2673ee2e66edae643131bf5518e6"> 72</a></span>  <a class="code" href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a847c2673ee2e66edae643131bf5518e6">~MinimumBoundingCircle</a>() {};</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  std::unique_ptr<geom::Geometry> getCircle();</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  std::unique_ptr<geom::Geometry> getMaximumDiameter();</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  std::unique_ptr<geom::Geometry> getDiameter();</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  std::vector<geom::Coordinate> getExtremalPoints();</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> getCentre();</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">double</span> getRadius();</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </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> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> } <span class="comment">// namespace geos::algorithm</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> } <span class="comment">// namespace geos</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> <span class="preprocessor">#endif // GEOS_ALGORITHM_MINIMUMBOUNDINGCIRCLE_H</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="ttc" id="classgeos_1_1algorithm_1_1MinimumBoundingCircle_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html">geos::algorithm::MinimumBoundingCircle</a></div><div class="ttdef"><b>Definition:</b> <a href="MinimumBoundingCircle_8h_source.html#l00042">MinimumBoundingCircle.h:42</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_1algorithm_1_1MinimumBoundingCircle_html_a4f18e5b191721167668626b5321f4479"><div class="ttname"><a href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a4f18e5b191721167668626b5321f4479">geos::algorithm::MinimumBoundingCircle::radius</a></div><div class="ttdeci">double radius</div><div class="ttdef"><b>Definition:</b> <a href="MinimumBoundingCircle_8h_source.html#l00050">MinimumBoundingCircle.h:50</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="classgeos_1_1algorithm_1_1MinimumBoundingCircle_html_a334cca5cf3734155e25c01ddbda7709a"><div class="ttname"><a href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a334cca5cf3734155e25c01ddbda7709a">geos::algorithm::MinimumBoundingCircle::extremalPts</a></div><div class="ttdeci">std::vector< geom::Coordinate > extremalPts</div><div class="ttdef"><b>Definition:</b> <a href="MinimumBoundingCircle_8h_source.html#l00048">MinimumBoundingCircle.h:48</a></div></div>
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<div class="ttc" id="Point_8h_html"><div class="ttname"><a href="Point_8h.html">Point.h</a></div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1MinimumBoundingCircle_html_aef9d9fdff21e520b3a12c4f2abf957b1"><div class="ttname"><a href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#aef9d9fdff21e520b3a12c4f2abf957b1">geos::algorithm::MinimumBoundingCircle::MinimumBoundingCircle</a></div><div class="ttdeci">MinimumBoundingCircle(const geom::Geometry *geom)</div><div class="ttdef"><b>Definition:</b> <a href="MinimumBoundingCircle_8h_source.html#l00064">MinimumBoundingCircle.h:64</a></div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1MinimumBoundingCircle_html_ad61674bb43c5e81a6d3e1408d61f3098"><div class="ttname"><a href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#ad61674bb43c5e81a6d3e1408d61f3098">geos::algorithm::MinimumBoundingCircle::centre</a></div><div class="ttdeci">geom::Coordinate centre</div><div class="ttdef"><b>Definition:</b> <a href="MinimumBoundingCircle_8h_source.html#l00049">MinimumBoundingCircle.h:49</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="Triangle_8h_html"><div class="ttname"><a href="Triangle_8h.html">Triangle.h</a></div></div>
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<div class="ttc" id="CoordinateSequence_8h_html"><div class="ttname"><a href="CoordinateSequence_8h.html">CoordinateSequence.h</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1Coordinate_html_a97bb820b994c6a77cbe50db79f80a2c2"><div class="ttname"><a href="classgeos_1_1geom_1_1Coordinate.html#a97bb820b994c6a77cbe50db79f80a2c2">geos::geom::Coordinate::setNull</a></div><div class="ttdeci">void setNull()</div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1MinimumBoundingCircle_html_ab5f499d33c8b0adb5b52f9474dcfdf3b"><div class="ttname"><a href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#ab5f499d33c8b0adb5b52f9474dcfdf3b">geos::algorithm::MinimumBoundingCircle::input</a></div><div class="ttdeci">const geom::Geometry * input</div><div class="ttdef"><b>Definition:</b> <a href="MinimumBoundingCircle_8h_source.html#l00047">MinimumBoundingCircle.h:47</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_1algorithm_1_1MinimumBoundingCircle_html_a847c2673ee2e66edae643131bf5518e6"><div class="ttname"><a href="classgeos_1_1algorithm_1_1MinimumBoundingCircle.html#a847c2673ee2e66edae643131bf5518e6">geos::algorithm::MinimumBoundingCircle::~MinimumBoundingCircle</a></div><div class="ttdeci">~MinimumBoundingCircle()</div><div class="ttdef"><b>Definition:</b> <a href="MinimumBoundingCircle_8h_source.html#l00072">MinimumBoundingCircle.h:72</a></div></div>
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