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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_0bc14b2fb119a11b6a0f32f4d350db61.html">geos</a></li><li class="navelem"><a class="el" href="dir_cc91dd2a378845bf7e3e6edb554afff8.html">operation</a></li><li class="navelem"><a class="el" href="dir_dd4f14f9cf03c35d9b3446a72dad675a.html">polygonize</a></li> </ul>
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<a href="PolygonizeDirectedEdge_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) 2006 Refractions Research Inc.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * by the Free Software Foundation.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * See the COPYING file for more information.</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"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Last port: operation/polygonize/PolygonizeDirectedEdge.java rev. 1.4 (JTS-1.10)</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> <span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</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_OP_POLYGONIZE_POLYGONIZEDIRECTEDEDGE_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define GEOS_OP_POLYGONIZE_POLYGONIZEDIRECTEDEDGE_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> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="planargraph_2DirectedEdge_8h.html">geos/planargraph/DirectedEdge.h</a>></span> <span class="comment">// for inheritance</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// Forward declarations</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>geom {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">//class LineString;</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="keyword">namespace </span>planargraph {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">class </span>Node;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>operation {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>polygonize {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">class </span>EdgeRing;</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><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>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>polygonize { <span class="comment">// geos::operation::polygonize</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html"> 54</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html">PolygonizeDirectedEdge</a>: <span class="keyword">public</span> <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html">planargraph::DirectedEdge</a> {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#a645a0111236ad9f01f10cad8aabc52a7"> 58</a></span>  <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a>* <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#a645a0111236ad9f01f10cad8aabc52a7">edgeRing</a>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#abc580402a60709bec11b6880410353af"> 60</a></span>  <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html">PolygonizeDirectedEdge</a>* <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#abc580402a60709bec11b6880410353af">next</a>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#a7e3227552220cb0611781108217c8559"> 62</a></span>  <span class="keywordtype">long</span> <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#a7e3227552220cb0611781108217c8559">label</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">public</span>:</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="comment">/*</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> * \brief</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> * Constructs a directed edge connecting the <code>from</code> node</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * to the <code>to</code> node.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> *</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> * @param directionPt</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> * specifies this DirectedEdge's direction (given by an imaginary</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * line from the <code>from</code> node to <code>directionPt</code>)</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> *</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * @param edgeDirection</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> * whether this DirectedEdge's direction is the same as or</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * opposite to that of the parent Edge (if any)</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> */</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html">PolygonizeDirectedEdge</a>(<a class="code" href="classgeos_1_1planargraph_1_1Node.html">planargraph::Node</a>* newFrom,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="classgeos_1_1planargraph_1_1Node.html">planargraph::Node</a>* newTo,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& newDirectionPt,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">bool</span> nEdgeDirection);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">/*</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> * Returns the identifier attached to this directed edge.</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> */</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">long</span> getLabel() <span class="keyword">const</span>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">/*</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> * Attaches an identifier to this directed edge.</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> */</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">void</span> setLabel(<span class="keywordtype">long</span> newLabel);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">/*</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> * Returns the next directed edge in the EdgeRing that this</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> * directed edge is a member of.</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> */</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html">PolygonizeDirectedEdge</a>* getNext() <span class="keyword">const</span>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">/*</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> * Gets the EdgeRing this edge is a member of.</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> */</span></div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#ad5eeb05c37097a624cb167f25b282313"> 103</a></span>  <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a>* <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#ad5eeb05c37097a624cb167f25b282313">getRing</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> edgeRing;</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="comment">/*</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> * Sets the next directed edge in the EdgeRing that this</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> * directed edge is a member of.</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> */</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span> setNext(<a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html">PolygonizeDirectedEdge</a>* newNext);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">/*</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * Returns the ring of directed edges that this directed edge is</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * a member of, or null if the ring has not been set.</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * @see #setRing(EdgeRing)</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> */</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">bool</span> isInRing() <span class="keyword">const</span>;</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>  <span class="comment">/*</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * Sets the ring of directed edges that this directed edge is</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * a member of.</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> */</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">void</span> setRing(<a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a>* newEdgeRing);</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> } <span class="comment">// namespace geos::operation::polygonize</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> } <span class="comment">// namespace geos::operation</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> } <span class="comment">// namespace geos</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#endif // GEOS_OP_POLYGONIZE_POLYGONIZEDIRECTEDEDGE_H</span></div><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"><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_1operation_1_1polygonize_1_1PolygonizeDirectedEdge_html_abc580402a60709bec11b6880410353af"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#abc580402a60709bec11b6880410353af">geos::operation::polygonize::PolygonizeDirectedEdge::next</a></div><div class="ttdeci">PolygonizeDirectedEdge * next</div><div class="ttdef"><b>Definition:</b> <a href="PolygonizeDirectedEdge_8h_source.html#l00060">PolygonizeDirectedEdge.h:60</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge_html_ad5eeb05c37097a624cb167f25b282313"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#ad5eeb05c37097a624cb167f25b282313">geos::operation::polygonize::PolygonizeDirectedEdge::getRing</a></div><div class="ttdeci">EdgeRing * getRing() const </div><div class="ttdef"><b>Definition:</b> <a href="PolygonizeDirectedEdge_8h_source.html#l00103">PolygonizeDirectedEdge.h:103</a></div></div>
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<div class="ttc" id="classgeos_1_1planargraph_1_1DirectedEdge_html"><div class="ttname"><a href="classgeos_1_1planargraph_1_1DirectedEdge.html">geos::planargraph::DirectedEdge</a></div><div class="ttdoc">Represents a directed edge in a PlanarGraph. </div><div class="ttdef"><b>Definition:</b> <a href="planargraph_2DirectedEdge_8h_source.html#l00046">planargraph/DirectedEdge.h:46</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge_html"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html">geos::operation::polygonize::PolygonizeDirectedEdge</a></div><div class="ttdoc">A DirectedEdge of a PolygonizeGraph, which represents an edge of a polygon formed by the graph...</div><div class="ttdef"><b>Definition:</b> <a href="PolygonizeDirectedEdge_8h_source.html#l00054">PolygonizeDirectedEdge.h:54</a></div></div>
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<div class="ttc" id="planargraph_2DirectedEdge_8h_html"><div class="ttname"><a href="planargraph_2DirectedEdge_8h.html">DirectedEdge.h</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge_html_a645a0111236ad9f01f10cad8aabc52a7"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#a645a0111236ad9f01f10cad8aabc52a7">geos::operation::polygonize::PolygonizeDirectedEdge::edgeRing</a></div><div class="ttdeci">EdgeRing * edgeRing</div><div class="ttdef"><b>Definition:</b> <a href="PolygonizeDirectedEdge_8h_source.html#l00058">PolygonizeDirectedEdge.h:58</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1polygonize_1_1EdgeRing_html"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">geos::operation::polygonize::EdgeRing</a></div><div class="ttdoc">Represents a ring of PolygonizeDirectedEdge which form a ring of a polygon. The ring may be either an...</div><div class="ttdef"><b>Definition:</b> <a href="operation_2polygonize_2EdgeRing_8h_source.html#l00066">operation/polygonize/EdgeRing.h:66</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="classgeos_1_1planargraph_1_1Node_html"><div class="ttname"><a href="classgeos_1_1planargraph_1_1Node.html">geos::planargraph::Node</a></div><div class="ttdoc">A node in a PlanarGraph is a location where 0 or more Edge meet. </div><div class="ttdef"><b>Definition:</b> <a href="planargraph_2Node_8h_source.html#l00045">planargraph/Node.h:45</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge_html_a7e3227552220cb0611781108217c8559"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeDirectedEdge.html#a7e3227552220cb0611781108217c8559">geos::operation::polygonize::PolygonizeDirectedEdge::label</a></div><div class="ttdeci">long label</div><div class="ttdef"><b>Definition:</b> <a href="PolygonizeDirectedEdge_8h_source.html#l00062">PolygonizeDirectedEdge.h:62</a></div></div>
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