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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_96d0e52ddb95397c192e273e98580ca1.html">overlay</a></li><li class="navelem"><a class="el" href="dir_b5b7db349d557624ee750aa148c9ffae.html">snap</a></li> </ul>
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<a href="GeometrySnapper_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2009-2010 Sandro Santilli <strk@kbt.io></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2006 Refractions Research 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/overlay/snap/GeometrySnapper.java r320 (JTS-1.12)</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> <span class="preprocessor">#ifndef GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</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> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></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 PrecisionModel;</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">class </span>Geometry;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">class </span>CoordinateSequence;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">struct </span>GeomPtrPair;</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> }</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> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>overlay { <span class="comment">// geos::operation::overlay</span></div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespacegeos_1_1operation_1_1overlay_1_1snap.html"> 41</a></span> <span class="keyword">namespace </span>snap { <span class="comment">// geos::operation::overlay::snap</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html"> 58</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_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</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"> 60</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a180d2ac23d44f90083cb871e6fb227a9"> 62</a></span>  <span class="keyword">typedef</span> std::unique_ptr<geom::Geometry> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a180d2ac23d44f90083cb871e6fb227a9">GeomPtr</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> snap(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g0,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</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="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">double</span> snapTolerance, <a class="code" href="structgeos_1_1geom_1_1GeomPtrPair.html">geom::GeomPtrPair</a>& ret);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">static</span> GeomPtr snapToSelf(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g0,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">double</span> snapTolerance, <span class="keywordtype">bool</span> cleanResult);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a5df260fee1d8af571aa0e01ff2b3397c"> 85</a></span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a5df260fee1d8af571aa0e01ff2b3397c">GeometrySnapper</a>(<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="l00086"></a><span class="lineno"> 86</span>  :</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  srcGeom(g)</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>  }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  std::unique_ptr<geom::Geometry> snapTo(<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="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">double</span> snapTolerance);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  std::unique_ptr<geom::Geometry> snapToSelf(<span class="keywordtype">double</span> snapTolerance,</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">bool</span> cleanResult);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> computeOverlaySnapTolerance(<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="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> computeSizeBasedSnapTolerance(<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="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> computeOverlaySnapTolerance(<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="l00130"></a><span class="lineno"> 130</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="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">private</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>  <span class="comment">// eventually this will be determined from the geometry topology</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">//static const double snapTol; // = 0.000001;</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a204b5301885910dd0295833f5d707167"> 138</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a204b5301885910dd0295833f5d707167">snapPrecisionFactor</a>; <span class="comment">// = 10e-10</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#affc7dde38f39b5dc9130d0897d7774d0"> 140</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_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#affc7dde38f39b5dc9130d0897d7774d0">srcGeom</a>;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  std::unique_ptr<geom::Coordinate::ConstVect> extractTargetCoordinates(</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <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="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Declare type as noncopyable</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a>& other) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a>& rhs) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> };</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> </div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> } <span class="comment">// namespace geos::operation::overlay::snap</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> } <span class="comment">// namespace geos::operation::overlay</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> } <span class="comment">// namespace geos::operation</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> } <span class="comment">// namespace geos</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="preprocessor">#endif // GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="ttc" id="structgeos_1_1geom_1_1GeomPtrPair_html"><div class="ttname"><a href="structgeos_1_1geom_1_1GeomPtrPair.html">geos::geom::GeomPtrPair</a></div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00976">Geometry.h:976</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper_html_affc7dde38f39b5dc9130d0897d7774d0"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#affc7dde38f39b5dc9130d0897d7774d0">geos::operation::overlay::snap::GeometrySnapper::srcGeom</a></div><div class="ttdeci">const geom::Geometry & srcGeom</div><div class="ttdef"><b>Definition:</b> <a href="GeometrySnapper_8h_source.html#l00140">GeometrySnapper.h:140</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper_html_a5df260fee1d8af571aa0e01ff2b3397c"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a5df260fee1d8af571aa0e01ff2b3397c">geos::operation::overlay::snap::GeometrySnapper::GeometrySnapper</a></div><div class="ttdeci">GeometrySnapper(const geom::Geometry &g)</div><div class="ttdef"><b>Definition:</b> <a href="GeometrySnapper_8h_source.html#l00085">GeometrySnapper.h:85</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_1operation_1_1overlay_1_1snap_1_1GeometrySnapper_html_a180d2ac23d44f90083cb871e6fb227a9"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a180d2ac23d44f90083cb871e6fb227a9">geos::operation::overlay::snap::GeometrySnapper::GeomPtr</a></div><div class="ttdeci">std::unique_ptr< geom::Geometry > GeomPtr</div><div class="ttdef"><b>Definition:</b> <a href="GeometrySnapper_8h_source.html#l00062">GeometrySnapper.h:62</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper_html_a204b5301885910dd0295833f5d707167"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a204b5301885910dd0295833f5d707167">geos::operation::overlay::snap::GeometrySnapper::snapPrecisionFactor</a></div><div class="ttdeci">static const double snapPrecisionFactor</div><div class="ttdef"><b>Definition:</b> <a href="GeometrySnapper_8h_source.html#l00138">GeometrySnapper.h:138</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="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_1operation_1_1overlay_1_1snap_1_1GeometrySnapper_html"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">geos::operation::overlay::snap::GeometrySnapper</a></div><div class="ttdoc">Snaps the vertices and segments of a geom::Geometry to another Geometry&#39;s vertices. </div><div class="ttdef"><b>Definition:</b> <a href="GeometrySnapper_8h_source.html#l00058">GeometrySnapper.h:58</a></div></div>
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