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<div class="header"> <div class="headertitle"> <div class="title">OffsetSegmentGenerator.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) 2011 Sandro Santilli <strk@keybit.net></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: operation/buffer/OffsetSegmentGenerator.java r378 (JTS-1.12)</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_OP_BUFFER_OFFSETSEGMENTGENERATOR_H</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_BUFFER_OFFSETSEGMENTGENERATOR_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <geos/export.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 <vector></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <geos/algorithm/LineIntersector.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/geom/Coordinate.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/geom/LineSegment.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <geos/operation/buffer/BufferParameters.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <geos/operation/buffer/OffsetSegmentString.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(push)</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</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="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">class </span>CoordinateSequence;</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">class </span>PrecisionModel;</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> }</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos.operation</span></div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span>buffer { <span class="comment">// geos.operation.buffer</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> <div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html"> 61</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html">OffsetSegmentGenerator</a> {</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">/*</span></div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * @param nBufParams buffer parameters, this object will</span></div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> * keep a reference to the passed parameters</span></div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> * so caller must make sure the object is</span></div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * kept alive for the whole lifetime of</span></div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> * the buffer builder.</span></div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> */</span></div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html">OffsetSegmentGenerator</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html">geom::PrecisionModel</a> *newPrecisionModel,</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferParameters.html">BufferParameters</a>& bufParams, <span class="keywordtype">double</span> distance);</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> <div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#aa3297d3c15e2edcce008f16824b5fa55"> 87</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#aa3297d3c15e2edcce008f16824b5fa55">hasNarrowConcaveAngle</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> _hasNarrowConcaveAngle;</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">void</span> initSideSegments(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &nS1,</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &nS2, <span class="keywordtype">int</span> nSide);</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">//</span></div> <div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#adcb706e7c4790b73bb68557e314a38ca"> 103</a></span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#adcb706e7c4790b73bb68557e314a38ca">getCoordinates</a>(std::vector<geom::CoordinateSequence*>& to) {</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  to.push_back(segList.getCoordinates());</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">void</span> closeRing() {</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  segList.closeRing();</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">void</span> createCircle(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p, <span class="keywordtype">double</span> distance);</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">void</span> createSquare(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p, <span class="keywordtype">double</span> distance);</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div> <div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#a01ea69a2d48b9156dd1f81e18c9c05f0"> 118</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#a01ea69a2d48b9156dd1f81e18c9c05f0">addFirstSegment</a>()</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  segList.addPt(offset1.p0);</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> <div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#a3835105899291f68f717b5d306f3f66a"> 124</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#a3835105899291f68f717b5d306f3f66a">addLastSegment</a>()</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  {</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  segList.addPt(offset1.p1);</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</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">void</span> addNextSegment(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p, <span class="keywordtype">bool</span> addStartPoint);</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">void</span> addLineEndCap(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p0,</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p1);</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">void</span> addSegments(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>& pts, <span class="keywordtype">bool</span> isForward)</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>  segList.addPts(pts, isForward);</div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</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> <span class="keyword">private</span>:</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> OFFSET_SEGMENT_SEPARATION_FACTOR; <span class="comment">// 1.0E-3;</span></div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> INSIDE_TURN_VERTEX_SNAP_DISTANCE_FACTOR; <span class="comment">// 1.0E-3;</span></div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> CURVE_VERTEX_SNAP_DISTANCE_FACTOR; <span class="comment">// 1.0E-6;</span></div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> MAX_CLOSING_SEG_LEN_FACTOR = 80;</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">double</span> maxCurveSegmentError; <span class="comment">// 0.0</span></div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">double</span> filletAngleQuantum;</div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordtype">int</span> closingSegLengthFactor; <span class="comment">// 1;</span></div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div> <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">//</span></div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"></span> OffsetSegmentString segList;</div> <div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div> <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">double</span> distance;</div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html">geom::PrecisionModel</a>* precisionModel;</div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div> <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> BufferParameters& bufParams; </div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a> li;</div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> s0, s1, s2;</div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a> seg0;</div> <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div> <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a> seg1;</div> <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div> <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a> offset0;</div> <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div> <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a> offset1;</div> <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div> <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">int</span> side;</div> <div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div> <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">bool</span> _hasNarrowConcaveAngle; <span class="comment">// =false</span></div> <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div> <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">void</span> addCollinear(<span class="keywordtype">bool</span> addStartPoint);</div> <div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div> <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">//</span></div> <div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"></span> <span class="keywordtype">void</span> addMitreJoin(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p,</div> <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& offset0,</div> <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& offset1,</div> <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordtype">double</span> distance);</div> <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div> <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">//</span></div> <div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"></span> <span class="keywordtype">void</span> addLimitedMitreJoin(</div> <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& offset0,</div> <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& offset1,</div> <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordtype">double</span> distance, <span class="keywordtype">double</span> mitreLimit);</div> <div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div> <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="comment">// </span></div> <div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"></span> <span class="keywordtype">void</span> addBevelJoin(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& offset0,</div> <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& offset1);</div> <div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div> <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> PI; <span class="comment">// 3.14159265358979</span></div> <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div> <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="comment">// Not in JTS, used for single-sided buffers</span></div> <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordtype">int</span> endCapIndex;</div> <div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div> <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordtype">void</span> init(<span class="keywordtype">double</span> newDistance);</div> <div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div> <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> SIMPLIFY_FACTOR; <span class="comment">// 100.0;</span></div> <div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div> <div class="line"><a name="l00284"></a><span class="lineno"> 284</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> addOutsideTurn(<span class="keywordtype">int</span> orientation, <span class="keywordtype">bool</span> addStartPoint);</div> <div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div> <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">//</span></div> <div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"></span> <span class="keywordtype">void</span> addInsideTurn(<span class="keywordtype">int</span> orientation, <span class="keywordtype">bool</span> addStartPoint);</div> <div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div> <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordtype">void</span> computeOffsetSegment(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& seg,</div> <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordtype">int</span> side, <span class="keywordtype">double</span> distance,</div> <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& offset);</div> <div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div> <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordtype">void</span> addFillet(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p0,</div> <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p1,</div> <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordtype">int</span> direction, <span class="keywordtype">double</span> radius);</div> <div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div> <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordtype">void</span> addFillet(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p, <span class="keywordtype">double</span> startAngle,</div> <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordtype">double</span> endAngle, <span class="keywordtype">int</span> direction, <span class="keywordtype">double</span> radius);</div> <div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// An OffsetSegmentGenerator cannot be copied because of member "const BufferParameters& bufParams"</span></div> <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="comment">// Not declaring these functions triggers MSVC warning C4512: "assignment operator could not be generated"</span></div> <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  OffsetSegmentGenerator(<span class="keyword">const</span> OffsetSegmentGenerator&);</div> <div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> OffsetSegmentGenerator&);</div> <div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div> <div class="line"><a name="l00345"></a><span class="lineno"> 345</span> };</div> <div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div> <div class="line"><a name="l00347"></a><span class="lineno"> 347</span> } <span class="comment">// namespace geos::operation::buffer</span></div> <div class="line"><a name="l00348"></a><span class="lineno"> 348</span> } <span class="comment">// namespace geos::operation</span></div> <div class="line"><a name="l00349"></a><span class="lineno"> 349</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div> <div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(pop)</span></div> <div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="preprocessor">#endif // ndef GEOS_OP_BUFFER_OFFSETSEGMENTGENERATOR_H</span></div> <div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="preprocessor"></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> LineSegment.h:57</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator_html"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html">geos::operation::buffer::OffsetSegmentGenerator</a></div><div class="ttdef"><b>Definition:</b> OffsetSegmentGenerator.h:61</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_1PrecisionModel_html"><div class="ttname"><a href="classgeos_1_1geom_1_1PrecisionModel.html">geos::geom::PrecisionModel</a></div><div class="ttdoc">Specifies the precision model of the Coordinate in a Geometry. </div><div class="ttdef"><b>Definition:</b> PrecisionModel.h:87</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator_html_adcb706e7c4790b73bb68557e314a38ca"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#adcb706e7c4790b73bb68557e314a38ca">geos::operation::buffer::OffsetSegmentGenerator::getCoordinates</a></div><div class="ttdeci">void getCoordinates(std::vector< geom::CoordinateSequence * > &to)</div><div class="ttdoc">Get coordinates by taking ownership of them. </div><div class="ttdef"><b>Definition:</b> OffsetSegmentGenerator.h:103</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1LineIntersector_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1LineIntersector.html">geos::algorithm::LineIntersector</a></div><div class="ttdoc">A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...</div><div class="ttdef"><b>Definition:</b> LineIntersector.h:49</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator_html_a3835105899291f68f717b5d306f3f66a"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#a3835105899291f68f717b5d306f3f66a">geos::operation::buffer::OffsetSegmentGenerator::addLastSegment</a></div><div class="ttdeci">void addLastSegment()</div><div class="ttdoc">Add last offset point. </div><div class="ttdef"><b>Definition:</b> OffsetSegmentGenerator.h:124</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator_html_aa3297d3c15e2edcce008f16824b5fa55"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#aa3297d3c15e2edcce008f16824b5fa55">geos::operation::buffer::OffsetSegmentGenerator::hasNarrowConcaveAngle</a></div><div class="ttdeci">bool hasNarrowConcaveAngle() const </div><div class="ttdef"><b>Definition:</b> OffsetSegmentGenerator.h:87</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator_html_a01ea69a2d48b9156dd1f81e18c9c05f0"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1OffsetSegmentGenerator.html#a01ea69a2d48b9156dd1f81e18c9c05f0">geos::operation::buffer::OffsetSegmentGenerator::addFirstSegment</a></div><div class="ttdeci">void addFirstSegment()</div><div class="ttdoc">Add first offset point. </div><div class="ttdef"><b>Definition:</b> OffsetSegmentGenerator.h:118</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1BufferParameters_html"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1BufferParameters.html">geos::operation::buffer::BufferParameters</a></div><div class="ttdoc">Contains the parameters which describe how a buffer should be constructed. </div><div class="ttdef"><b>Definition:</b> BufferParameters.h:57</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:59</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> </html>