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class="header"> <div class="headertitle"> <div class="title">SharedPathsOp.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) 2010 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: 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 Sandro Santilli (strk@keybit.net)</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * for Faunalia (http://www.faunalia.it)</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * with funding from Regione Toscana - Settore SISTEMA INFORMATIVO</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * TERRITORIALE ED AMBIENTALE - for the project: "Sviluppo strumenti</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * software per il trattamento di dati geografici basati su QuantumGIS</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * e Postgis (CIG 0494241492)"</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> *</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> **********************************************************************/</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">#ifndef GEOS_OPERATION_SHAREDPATHSOP_H</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OPERATION_SHAREDPATHSOP_H</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <geos/export.h></span> <span class="comment">// for GEOS_DLL</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="preprocessor">#include <vector></span> </div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">class </span>LineString;</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">class </span>Geometry;</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>  }</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>geos {</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos.operation</span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">namespace </span>sharedpaths { <span class="comment">// geos.operation.sharedpaths</span></div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> <div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html"> 64</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html">SharedPathsOp</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"> 66</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb"> 69</a></span>  <span class="keyword">typedef</span> std::vector<geom::LineString*> <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb">PathList</a>;</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">//</span></div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span> <span class="keyword">static</span> <span class="keywordtype">void</span> sharedPathsOp(<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="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g2,</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb">PathList</a>& sameDirection,</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb">PathList</a>& oppositeDirection);</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">//</span></div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"></span> <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html">SharedPathsOp</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g1, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g2);</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">//</span></div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"></span> <span class="keywordtype">void</span> getSharedPaths(<a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb">PathList</a>& sameDirection, <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb">PathList</a>& oppositeDirection);</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> clearEdges(<a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb">PathList</a>& from);</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">private</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"> 124</span>  <span class="comment">//</span></div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"></span> <span class="keywordtype">void</span> findLinearIntersections(<a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb">PathList</a>& to);</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">//</span></div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"></span> <span class="keywordtype">bool</span> isForward(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>& edge,</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <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="l00137"></a><span class="lineno"> 137</span> </div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">bool</span> isSameDirection(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>& edge) {</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> (isForward(edge, _g1) == isForward(edge, _g2));</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> </div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">void</span> checkLinealInput(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g);</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</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="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& _g2;</div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a>& _gf;</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html">SharedPathsOp</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html">SharedPathsOp</a>& other);</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html">SharedPathsOp</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html">SharedPathsOp</a>& rhs);</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> </div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> } <span class="comment">// namespace geos.operation.sharedpaths</span></div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> } <span class="comment">// namespace geos.operation</span></div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor"></span></div> <div class="ttc" id="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp_html_a27ae356a9ad5be3bb86313d5d0158ebb"><div class="ttname"><a href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html#a27ae356a9ad5be3bb86313d5d0158ebb">geos::operation::sharedpaths::SharedPathsOp::PathList</a></div><div class="ttdeci">std::vector< geom::LineString * > PathList</div><div class="ttdoc">LineString vector (list of edges) </div><div class="ttdef"><b>Definition:</b> SharedPathsOp.h:69</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:167</div></div> <div class="ttc" id="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp_html"><div class="ttname"><a href="classgeos_1_1operation_1_1sharedpaths_1_1SharedPathsOp.html">geos::operation::sharedpaths::SharedPathsOp</a></div><div class="ttdoc">Find shared paths among two linear Geometry objects. </div><div class="ttdef"><b>Definition:</b> SharedPathsOp.h:64</div></div> <div class="ttc" id="classgeos_1_1geom_1_1LineString_html"><div class="ttname"><a href="classgeos_1_1geom_1_1LineString.html">geos::geom::LineString</a></div><div class="ttdef"><b>Definition:</b> LineString.h:70</div></div> <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> GeometryFactory.h:67</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated 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