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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>GEOS: BinaryOp.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">GEOS  <span id="projectnumber">3.5.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_78009f08da3e03d86b70776dcc463e92.html">include</a></li><li class="navelem"><a class="el" href="dir_40c9e98f0599f998dfc16f8b0ec4bf37.html">geos</a></li><li class="navelem"><a class="el" href="dir_96804201bc1ea21f729d92f9316bf857.html">geom</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">BinaryOp.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) 2013 Sandro Santilli <strk@keybit.net></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: ORIGINAL WORK</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> <span class="comment"> *</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * This file provides a single templated function, taking two</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * const Geometry pointers, applying a binary operator to them</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * and returning a result Geometry in an auto_ptr<>.</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"> * The binary operator is expected to take two const Geometry pointers</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * and return a newly allocated Geometry pointer, possibly throwing</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * a TopologyException to signal it couldn't succeed due to robustness</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * issues.</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> *</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * This function will catch TopologyExceptions and try again with</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * slightly modified versions of the input. The following heuristic</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * is used:</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> *</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * - Try with original input.</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * - Try removing common bits from input coordinate values</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * - Try snaping input geometries to each other</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * - Try snaping input coordinates to a increasing grid (size from 1/25 to 1)</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * - Try simplifiying input with increasing tolerance (from 0.01 to 0.04)</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * If none of the step succeeds the original exception is thrown.</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> *</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * Note that you can skip Grid snapping, Geometry snapping and Simplify policies</span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * by a compile-time define when building geos.</span></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * See USE_TP_SIMPLIFY_POLICY, USE_PRECISION_REDUCTION_POLICY and</span></div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * USE_SNAPPING_POLICY macros below.</span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> *</span></div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> *</span></div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> **********************************************************************/</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#ifndef GEOS_GEOM_BINARYOP_H</span></div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_GEOM_BINARYOP_H</span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <geos/algorithm/BoundaryNodeRule.h></span></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include <geos/geom/Geometry.h></span></div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include <geos/geom/GeometryCollection.h></span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include <geos/geom/Polygon.h></span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include <geos/geom/Lineal.h></span></div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include <geos/geom/PrecisionModel.h></span></div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include <geos/geom/GeometryFactory.h></span></div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include <geos/precision/CommonBitsRemover.h></span></div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include <geos/precision/SimpleGeometryPrecisionReducer.h></span></div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#include <geos/precision/GeometryPrecisionReducer.h></span></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="preprocessor">#include <geos/operation/overlay/snap/GeometrySnapper.h></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="preprocessor">#include <geos/simplify/TopologyPreservingSimplifier.h></span></div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#include <geos/operation/IsSimpleOp.h></span></div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#include <geos/operation/valid/IsValidOp.h></span></div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#include <geos/operation/valid/TopologyValidationError.h></span></div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#include <geos/util/TopologyException.h></span></div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#include <geos/util.h></span></div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#include <memory></span> <span class="comment">// for auto_ptr</span></div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">//#define GEOS_DEBUG_BINARYOP 1</span></div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#ifdef GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span><span class="preprocessor"># include <iostream></span></div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"># include <iomanip></span></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"># include <sstream></span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">/*</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> * Always try original input first</span></div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> */</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#ifndef USE_ORIGINAL_INPUT</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"></span><span class="preprocessor"># define USE_ORIGINAL_INPUT 1</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">/*</span></div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> * Define this to use PrecisionReduction policy</span></div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> * in an attempt at by-passing binary operation</span></div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * robustness problems (handles TopologyExceptions)</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="preprocessor">#ifndef USE_PRECISION_REDUCTION_POLICY</span></div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor"></span><span class="preprocessor"># define USE_PRECISION_REDUCTION_POLICY 1</span></div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">/*</span></div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> * Define this to use TopologyPreserving simplification policy</span></div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> * in an attempt at by-passing binary operation</span></div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> * robustness problems (handles TopologyExceptions)</span></div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> */</span></div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#ifndef USE_TP_SIMPLIFY_POLICY </span></div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"></span><span class="comment">//# define USE_TP_SIMPLIFY_POLICY 1</span></div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">/*</span></div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> * Use common bits removal policy.</span></div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> * If enabled, this would be tried /before/</span></div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> * Geometry snapping.</span></div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> */</span></div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#ifndef USE_COMMONBITS_POLICY</span></div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"></span><span class="preprocessor"># define USE_COMMONBITS_POLICY 1</span></div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor"></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="comment"> * Check validity of operation performed</span></div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * by common bits removal policy.</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"> * This matches what EnhancedPrecisionOp does in JTS</span></div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * and fixes 5 tests of invalid outputs in our testsuite</span></div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> * (stmlf-cases-20061020-invalid-output.xml)</span></div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> * and breaks 1 test (robustness-invalid-output.xml) so much</span></div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> * to prevent a result.</span></div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> *</span></div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> */</span></div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#define GEOS_CHECK_COMMONBITS_VALIDITY 1</span></div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/*</span></div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> * Use snapping policy</span></div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> */</span></div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#ifndef USE_SNAPPING_POLICY</span></div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor"></span><span class="preprocessor"># define USE_SNAPPING_POLICY 1</span></div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">namespace </span>geom { <span class="comment">// geos::geom</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"> 140</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span></div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> check_valid(<span class="keyword">const</span> Geometry& g, <span class="keyword">const</span> std::string& label, <span class="keywordtype">bool</span> doThrow=<span class="keyword">false</span>, <span class="keywordtype">bool</span> validOnly=<span class="keyword">false</span>)</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>  <span class="keywordflow">if</span> ( dynamic_cast<const Lineal*>(&g) ) {</div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> ( ! validOnly ) {</div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  operation::IsSimpleOp sop(g, <a class="code" href="classgeos_1_1algorithm_1_1BoundaryNodeRule.html#a6c2d4bb0c0881e0579c2b3cd84210d1b">algorithm::BoundaryNodeRule::getBoundaryEndPoint</a>());</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> ( ! sop.isSimple() )</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  {</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> ( doThrow ) {</div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">throw</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>(</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  label + <span class="stringliteral">" is not simple"</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="keywordflow">return</span> <span class="keyword">false</span>;</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</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>  } <span class="keywordflow">else</span> {</div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  operation::valid::IsValidOp ivo(&g);</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> ( ! ivo.isValid() )</div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  {</div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">using</span> operation::valid::TopologyValidationError;</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  TopologyValidationError* err = ivo.getValidationError();</div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#ifdef GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor"></span> std::cerr << label << <span class="stringliteral">" is INVALID: "</span></div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  << err->toString()</div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  << <span class="stringliteral">" ("</span> << std::setprecision(20)</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  << err->getCoordinate() << <span class="stringliteral">")"</span></div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  << std::endl;</div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> ( doThrow ) {</div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">throw</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>(</div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  label + <span class="stringliteral">" is invalid: "</span> + err->toString(),</div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  err->getCoordinate());</div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  } </div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> }</div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment">/*</span></div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * Attempt to fix noding of multilines and</span></div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> * self-intersection of multipolygons </span></div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> *</span></div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * May return the input untouched.</span></div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> */</span></div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">inline</span> std::auto_ptr<Geometry></div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> fix_self_intersections(std::auto_ptr<Geometry> g, <span class="keyword">const</span> std::string& label)</div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> {</div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  ::geos::ignore_unused_variable_warning(label);</div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#ifdef GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor"></span> std::cerr << label << <span class="stringliteral">" fix_self_intersection (UnaryUnion)"</span> << std::endl;</div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// Only multi-components can be fixed by UnaryUnion</span></div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> ( ! dynamic_cast<const GeometryCollection*>(g.get()) ) <span class="keywordflow">return</span> g;</div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">using</span> operation::valid::IsValidOp;</div> <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div> <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  IsValidOp ivo(g.get());</div> <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div> <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// Polygon is valid, nothing to do</span></div> <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> ( ivo.isValid() ) <span class="keywordflow">return</span> g;</div> <div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div> <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// Not all invalidities can be fixed by this code</span></div> <div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">using</span> operation::valid::TopologyValidationError;</div> <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  TopologyValidationError* err = ivo.getValidationError();</div> <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">switch</span> ( err->getErrorType() ) {</div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">case</span> TopologyValidationError::eRingSelfIntersection:</div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">case</span> TopologyValidationError::eTooFewPoints: <span class="comment">// collapsed lines</span></div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor">#ifdef GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="preprocessor"></span> std::cerr << label << <span class="stringliteral">" ATTEMPT_TO_FIX: "</span> << err->getErrorType() << <span class="stringliteral">": "</span> << *g << std::endl;</div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor"></span> g = g->Union();</div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor">#ifdef GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor"></span> std::cerr << label << <span class="stringliteral">" ATTEMPT_TO_FIX succeeded.. "</span> << std::endl;</div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> g;</div> <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">case</span> TopologyValidationError::eSelfIntersection:</div> <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// this one is within a single component, won't be fixed</span></div> <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">default</span>:</div> <div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor">#ifdef GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor"></span> std::cerr << label << <span class="stringliteral">" invalidity is: "</span> << err->getErrorType() << std::endl;</div> <div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> g;</div> <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</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> </div> <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div> <div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">template</span> <<span class="keyword">class</span> BinOp></div> <div class="line"><a name="l00235"></a><span class="lineno"> 235</span> std::auto_ptr<Geometry></div> <div class="line"><a name="l00236"></a><span class="lineno"><a class="line" href="namespacegeos_1_1geom.html#a7ae87f5f677ca32c3b2ef55aeb1d80a7"> 236</a></span> <a class="code" href="namespacegeos_1_1geom.html#a7ae87f5f677ca32c3b2ef55aeb1d80a7">SnapOp</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>* g0, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g1, BinOp _Op)</div> <div class="line"><a name="l00237"></a><span class="lineno"> 237</span> {</div> <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keyword">typedef</span> std::auto_ptr<Geometry> GeomPtr;</div> <div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div> <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#define CBR_BEFORE_SNAPPING 1</span></div> <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">//using geos::precision::GeometrySnapper;</span></div> <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">using</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">geos::operation::overlay::snap::GeometrySnapper</a>;</div> <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div> <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">// Snap tolerance must be computed on the original</span></div> <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">// (not commonbits-removed) geoms</span></div> <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">double</span> snapTolerance = GeometrySnapper::computeOverlaySnapTolerance(*g0, *g1);</div> <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor"></span> std::cerr<< std::setprecision(20) << <span class="stringliteral">"Computed snap tolerance: "</span><<snapTolerance<<std::endl;</div> <div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div> <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor">#if CBR_BEFORE_SNAPPING</span></div> <div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor"></span> <span class="comment">// Compute common bits</span></div> <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <a class="code" href="classgeos_1_1precision_1_1CommonBitsRemover.html">geos::precision::CommonBitsRemover</a> cbr;</div> <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  cbr.<a class="code" href="classgeos_1_1precision_1_1CommonBitsRemover.html#adabbf68d10a4ac2e5f008c0b2285d1c1">add</a>(g0); cbr.<a class="code" href="classgeos_1_1precision_1_1CommonBitsRemover.html#adabbf68d10a4ac2e5f008c0b2285d1c1">add</a>(g1);</div> <div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor"></span> std::cerr<<<span class="stringliteral">"Computed common bits: "</span><<cbr.<a class="code" href="classgeos_1_1precision_1_1CommonBitsRemover.html#a1a50e1926f77b8c56760abac9e0c517b">getCommonCoordinate</a>()<<std::endl;</div> <div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// Now remove common bits</span></div> <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  GeomPtr rG0( cbr.<a class="code" href="classgeos_1_1precision_1_1CommonBitsRemover.html#a20cd039d70a230af7bff843593bb8d6e">removeCommonBits</a>(g0-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#a25b5ab073477cee2d5b756a0d163c006">clone</a>()) );</div> <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  GeomPtr rG1( cbr.<a class="code" href="classgeos_1_1precision_1_1CommonBitsRemover.html#a20cd039d70a230af7bff843593bb8d6e">removeCommonBits</a>(g1-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#a25b5ab073477cee2d5b756a0d163c006">clone</a>()) );</div> <div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div> <div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor"></span> check_valid(*rG0, <span class="stringliteral">"CBR: removed-bits geom 0"</span>);</div> <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  check_valid(*rG1, <span class="stringliteral">"CBR: removed-bits geom 1"</span>);</div> <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>& operand0 = *rG0;</div> <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>& operand1 = *rG1;</div> <div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#else // don't CBR before snapping</span></div> <div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor"></span> <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>& operand0 = *g0;</div> <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>& operand1 = *g1;</div> <div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div> <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  GeometrySnapper snapper0( operand0 );</div> <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  GeomPtr snapG0( snapper0.snapTo(operand1, snapTolerance) );</div> <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">//snapG0 = fix_self_intersections(snapG0, "SNAP: snapped geom 0");</span></div> <div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div> <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// NOTE: second geom is snapped on the snapped first one</span></div> <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  GeometrySnapper snapper1( operand1 );</div> <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  GeomPtr snapG1( snapper1.snapTo(*snapG0, snapTolerance) );</div> <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">//snapG1 = fix_self_intersections(snapG1, "SNAP: snapped geom 1");</span></div> <div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div> <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// Run the binary op</span></div> <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  GeomPtr result( _Op(snapG0.get(), snapG1.get()) );</div> <div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div> <div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor"></span> check_valid(*result, <span class="stringliteral">"SNAP: result (before common-bits addition"</span>);</div> <div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor">#if CBR_BEFORE_SNAPPING</span></div> <div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="preprocessor"></span> <span class="comment">// Add common bits back in</span></div> <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  cbr.<a class="code" href="classgeos_1_1precision_1_1CommonBitsRemover.html#a286e6fd6378012f2c3feef6f131e46e6">addCommonBits</a>( result.get() );</div> <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">//result = fix_self_intersections(result, "SNAP: result (after common-bits addition)");</span></div> <div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div> <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  check_valid(*result, <span class="stringliteral">"CBR: result (after common-bits addition)"</span>, <span class="keyword">true</span>);</div> <div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div> <div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> result;</div> <div class="line"><a name="l00304"></a><span class="lineno"> 304</span> }</div> <div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div> <div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="keyword">template</span> <<span class="keyword">class</span> BinOp></div> <div class="line"><a name="l00307"></a><span class="lineno"> 307</span> std::auto_ptr<Geometry></div> <div class="line"><a name="l00308"></a><span class="lineno"> 308</span> BinaryOp(<span class="keyword">const</span> Geometry* g0, <span class="keyword">const</span> Geometry *g1, BinOp _Op)</div> <div class="line"><a name="l00309"></a><span class="lineno"> 309</span> {</div> <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keyword">typedef</span> std::auto_ptr<Geometry> GeomPtr;</div> <div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div> <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  GeomPtr ret;</div> <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a> origException;</div> <div class="line"><a name="l00314"></a><span class="lineno"> 314</span> </div> <div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="preprocessor">#ifdef USE_ORIGINAL_INPUT</span></div> <div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="preprocessor"></span> <span class="comment">// Try with original input</span></div> <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">try</span></div> <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  {</div> <div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Trying with original input."</span> << std::endl;</div> <div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="preprocessor"></span> ret.reset(_Op(g0, g1));</div> <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">return</span> ret;</div> <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div> <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>& ex)</div> <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  {</div> <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  origException=ex;</div> <div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Original exception: "</span> << ex.what() << std::endl;</div> <div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="preprocessor"></span> }</div> <div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div> <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  check_valid(*g0, <span class="stringliteral">"Input geom 0"</span>, <span class="keyword">true</span>, <span class="keyword">true</span>);</div> <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  check_valid(*g1, <span class="stringliteral">"Input geom 1"</span>, <span class="keyword">true</span>, <span class="keyword">true</span>);</div> <div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div> <div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor"></span> <span class="comment">// Should we just give up here ?</span></div> <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  check_valid(*g0, <span class="stringliteral">"Input geom 0"</span>);</div> <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  check_valid(*g1, <span class="stringliteral">"Input geom 1"</span>);</div> <div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="preprocessor">#endif // USE_ORIGINAL_INPUT</span></div> <div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="preprocessor">#ifdef USE_COMMONBITS_POLICY</span></div> <div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="preprocessor"></span> <span class="comment">// Try removing common bits (possibly obsoleted by snapping below)</span></div> <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="comment">//</span></div> <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="comment">// NOTE: this policy was _later_ implemented </span></div> <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// in JTS as EnhancedPrecisionOp</span></div> <div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// TODO: consider using the now-ported EnhancedPrecisionOp</span></div> <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="comment">// here too</span></div> <div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="comment">// </span></div> <div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">try</span></div> <div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  {</div> <div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  GeomPtr rG0;</div> <div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  GeomPtr rG1;</div> <div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  precision::CommonBitsRemover cbr;</div> <div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div> <div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Trying with Common Bits Remover (CBR)"</span> << std::endl;</div> <div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  cbr.add(g0);</div> <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  cbr.add(g1);</div> <div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div> <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  rG0.reset( cbr.removeCommonBits(g0->clone()) );</div> <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  rG1.reset( cbr.removeCommonBits(g1->clone()) );</div> <div class="line"><a name="l00367"></a><span class="lineno"> 367</span> </div> <div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="preprocessor"></span> check_valid(*rG0, <span class="stringliteral">"CBR: geom 0 (after common-bits removal)"</span>);</div> <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  check_valid(*rG1, <span class="stringliteral">"CBR: geom 1 (after common-bits removal)"</span>);</div> <div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  ret.reset( _Op(rG0.get(), rG1.get()) );</div> <div class="line"><a name="l00374"></a><span class="lineno"> 374</span> </div> <div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor"></span> check_valid(*ret, <span class="stringliteral">"CBR: result (before common-bits addition)"</span>);</div> <div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  cbr.addCommonBits( ret.get() ); </div> <div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div> <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  check_valid(*ret, <span class="stringliteral">"CBR: result (after common-bits addition)"</span>, <span class="keyword">true</span>);</div> <div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div> <div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="preprocessor">#if GEOS_CHECK_COMMONBITS_VALIDITY</span></div> <div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="preprocessor"></span> <span class="comment">// check that result is a valid geometry after the</span></div> <div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="comment">// reshift to orginal precision (see EnhancedPrecisionOp)</span></div> <div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keyword">using</span> operation::valid::IsValidOp;</div> <div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keyword">using</span> operation::valid::TopologyValidationError;</div> <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  IsValidOp ivo(ret.get());</div> <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">if</span> ( ! ivo.isValid() )</div> <div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  {</div> <div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  TopologyValidationError* e = ivo.getValidationError();</div> <div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">throw</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>(</div> <div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="stringliteral">"Result of overlay became invalid "</span></div> <div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="stringliteral">"after re-addin common bits of operand "</span></div> <div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="stringliteral">"coordinates: "</span> + e->toString(),</div> <div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  e->getCoordinate());</div> <div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div> <div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="preprocessor">#endif // GEOS_CHECK_COMMONBITS_VALIDITY</span></div> <div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">return</span> ret;</div> <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  }</div> <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>& ex)</div> <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  {</div> <div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  ::geos::ignore_unused_variable_warning(ex);</div> <div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"CBR: "</span> << ex.what() << std::endl;</div> <div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="preprocessor"></span> }</div> <div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="comment">// Try with snapping</span></div> <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="comment">//</span></div> <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="comment">// TODO: possible optimization would be reusing the</span></div> <div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">// already common-bit-removed inputs and just</span></div> <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="comment">// apply geometry snapping, whereas the current</span></div> <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// SnapOp function does both.</span></div> <div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment">// {</span></div> <div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="preprocessor">#if USE_SNAPPING_POLICY</span></div> <div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Trying with snapping "</span> << std::endl;</div> <div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">try</span> {</div> <div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  ret = <a class="code" href="namespacegeos_1_1geom.html#a7ae87f5f677ca32c3b2ef55aeb1d80a7">SnapOp</a>(g0, g1, _Op);</div> <div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"SnapOp succeeded"</span> << std::endl;</div> <div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> ret;</div> <div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  </div> <div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div> <div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>& ex)</div> <div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  {</div> <div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  ::geos::ignore_unused_variable_warning(ex);</div> <div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"SNAP: "</span> << ex.what() << std::endl;</div> <div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="preprocessor"></span> }</div> <div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div> <div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor">#endif // USE_SNAPPING_POLICY }</span></div> <div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="comment">// {</span></div> <div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="preprocessor">#if USE_PRECISION_REDUCTION_POLICY</span></div> <div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div> <div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">// Try reducing precision</span></div> <div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">try</span></div> <div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  {</div> <div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordtype">long</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> g0scale = </div> <div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keyword">static_cast<</span><span class="keywordtype">long</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(g0->getFactory()->getPrecisionModel()->getScale());</div> <div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordtype">long</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> g1scale = </div> <div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keyword">static_cast<</span><span class="keywordtype">long</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(g1->getFactory()->getPrecisionModel()->getScale());</div> <div class="line"><a name="l00453"></a><span class="lineno"> 453</span> </div> <div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Original input scales are: "</span></div> <div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  << g0scale</div> <div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  << <span class="stringliteral">" and "</span> </div> <div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  << g1scale</div> <div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  << std::endl;</div> <div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordtype">double</span> maxScale = 1e16;</div> <div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div> <div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">// Don't use a scale bigger than the input one</span></div> <div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">if</span> ( g0scale && g0scale < maxScale ) maxScale = g0scale;</div> <div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">if</span> ( g1scale && g1scale < maxScale ) maxScale = g1scale;</div> <div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div> <div class="line"><a name="l00468"></a><span class="lineno"> 468</span> </div> <div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">for</span> (<span class="keywordtype">double</span> scale=maxScale; scale >= 1; scale /= 10)</div> <div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  {</div> <div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  PrecisionModel pm(scale);</div> <div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  GeometryFactory gf(&pm);</div> <div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Trying with scale "</span> << scale << std::endl;</div> <div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  precision::GeometryPrecisionReducer reducer( gf );</div> <div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  GeomPtr rG0( reducer.reduce(*g0) );</div> <div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  GeomPtr rG1( reducer.reduce(*g1) );</div> <div class="line"><a name="l00480"></a><span class="lineno"> 480</span> </div> <div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">try</span></div> <div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  {</div> <div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  ret.reset( _Op(rG0.get(), rG1.get()) );</div> <div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="comment">// restore original precision (least precision between inputs)</span></div> <div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">if</span> ( g0->getFactory()->getPrecisionModel()->compareTo( g1->getFactory()->getPrecisionModel() ) < 0 ) {</div> <div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  ret.reset( g0->getFactory()->createGeometry(ret.get()) );</div> <div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div> <div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">else</span> {</div> <div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  ret.reset( g1->getFactory()->createGeometry(ret.get()) );</div> <div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div> <div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">return</span> ret;</div> <div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  }</div> <div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>& ex)</div> <div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  {</div> <div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">if</span> ( scale == 1 ) <span class="keywordflow">throw</span> ex;</div> <div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Reduced with scale ("</span> << scale << <span class="stringliteral">"): "</span></div> <div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  << ex.what() << std::endl;</div> <div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="preprocessor"></span> }</div> <div class="line"><a name="l00501"></a><span class="lineno"> 501</span> </div> <div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  }</div> <div class="line"><a name="l00503"></a><span class="lineno"> 503</span> </div> <div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div> <div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>& ex)</div> <div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  {</div> <div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Reduced: "</span> << ex.what() << std::endl;</div> <div class="line"><a name="l00509"></a><span class="lineno"> 509</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="preprocessor"></span> ::geos::ignore_unused_variable_warning(ex);</div> <div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div> <div class="line"><a name="l00512"></a><span class="lineno"> 512</span> </div> <div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="preprocessor"></span><span class="comment">// USE_PRECISION_REDUCTION_POLICY }</span></div> <div class="line"><a name="l00515"></a><span class="lineno"> 515</span> </div> <div class="line"><a name="l00516"></a><span class="lineno"> 516</span> </div> <div class="line"><a name="l00517"></a><span class="lineno"> 517</span> </div> <div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div> <div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div> <div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="comment">// {</span></div> <div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="preprocessor">#if USE_TP_SIMPLIFY_POLICY </span></div> <div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="comment">// Try simplifying</span></div> <div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">try</span></div> <div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  {</div> <div class="line"><a name="l00526"></a><span class="lineno"> 526</span> </div> <div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordtype">double</span> maxTolerance = 0.04;</div> <div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordtype">double</span> minTolerance = 0.01;</div> <div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordtype">double</span> tolStep = 0.01;</div> <div class="line"><a name="l00530"></a><span class="lineno"> 530</span> </div> <div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">for</span> (<span class="keywordtype">double</span> tol = minTolerance; tol <= maxTolerance; tol += tolStep)</div> <div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  {</div> <div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Trying simplifying with tolerance "</span> << tol << std::endl;</div> <div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  GeomPtr rG0( simplify::TopologyPreservingSimplifier::simplify(g0, tol) );</div> <div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  GeomPtr rG1( simplify::TopologyPreservingSimplifier::simplify(g1, tol) );</div> <div class="line"><a name="l00539"></a><span class="lineno"> 539</span> </div> <div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">try</span></div> <div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  {</div> <div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  ret.reset( _Op(rG0.get(), rG1.get()) );</div> <div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">return</span> ret;</div> <div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  }</div> <div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>& ex)</div> <div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  {</div> <div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">if</span> ( tol >= maxTolerance ) <span class="keywordflow">throw</span> ex;</div> <div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Simplified with tolerance ("</span> << tol << <span class="stringliteral">"): "</span></div> <div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  << ex.what() << std::endl;</div> <div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="preprocessor"></span> }</div> <div class="line"><a name="l00553"></a><span class="lineno"> 553</span> </div> <div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  }</div> <div class="line"><a name="l00555"></a><span class="lineno"> 555</span> </div> <div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keywordflow">return</span> ret;</div> <div class="line"><a name="l00557"></a><span class="lineno"> 557</span> </div> <div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  }</div> <div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> <a class="code" href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a>& ex)</div> <div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  {</div> <div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="preprocessor">#if GEOS_DEBUG_BINARYOP</span></div> <div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="preprocessor"></span> std::cerr << <span class="stringliteral">"Simplified: "</span> << ex.what() << std::endl;</div> <div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="preprocessor"></span> }</div> <div class="line"><a name="l00565"></a><span class="lineno"> 565</span> </div> <div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="preprocessor"></span><span class="comment">// USE_TP_SIMPLIFY_POLICY }</span></div> <div class="line"><a name="l00568"></a><span class="lineno"> 568</span> </div> <div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <span class="keywordflow">throw</span> origException;</div> <div class="line"><a name="l00570"></a><span class="lineno"> 570</span> }</div> <div class="line"><a name="l00571"></a><span class="lineno"> 571</span> </div> <div class="line"><a name="l00572"></a><span class="lineno"> 572</span> </div> <div class="line"><a name="l00573"></a><span class="lineno"> 573</span> } <span class="comment">// namespace geos::geom</span></div> <div class="line"><a name="l00574"></a><span class="lineno"> 574</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00575"></a><span class="lineno"> 575</span> </div> <div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="preprocessor">#endif // GEOS_GEOM_BINARYOP_H</span></div> <div class="ttc" id="classgeos_1_1precision_1_1CommonBitsRemover_html"><div class="ttname"><a href="classgeos_1_1precision_1_1CommonBitsRemover.html">geos::precision::CommonBitsRemover</a></div><div class="ttdoc">Allow computing and removing common mantissa bits from one or more Geometries. </div><div class="ttdef"><b>Definition:</b> CommonBitsRemover.h:40</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Geometry_html_a25b5ab073477cee2d5b756a0d163c006"><div class="ttname"><a href="classgeos_1_1geom_1_1Geometry.html#a25b5ab073477cee2d5b756a0d163c006">geos::geom::Geometry::clone</a></div><div class="ttdeci">virtual Geometry * clone() const =0</div><div class="ttdoc">Make a deep-copy of this Geometry. </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_1precision_1_1CommonBitsRemover_html_a1a50e1926f77b8c56760abac9e0c517b"><div class="ttname"><a href="classgeos_1_1precision_1_1CommonBitsRemover.html#a1a50e1926f77b8c56760abac9e0c517b">geos::precision::CommonBitsRemover::getCommonCoordinate</a></div><div class="ttdeci">geom::Coordinate & getCommonCoordinate()</div></div> <div class="ttc" id="classgeos_1_1precision_1_1CommonBitsRemover_html_a20cd039d70a230af7bff843593bb8d6e"><div class="ttname"><a href="classgeos_1_1precision_1_1CommonBitsRemover.html#a20cd039d70a230af7bff843593bb8d6e">geos::precision::CommonBitsRemover::removeCommonBits</a></div><div class="ttdeci">geom::Geometry * removeCommonBits(geom::Geometry *geom)</div><div class="ttdoc">Removes the common coordinate bits from a Geometry. The coordinates of the Geometry are changed...</div></div> <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 Geometry to another Geometry&#39;s vertices. </div><div class="ttdef"><b>Definition:</b> GeometrySnapper.h:58</div></div> <div class="ttc" id="namespacegeos_1_1geom_html_a7ae87f5f677ca32c3b2ef55aeb1d80a7"><div class="ttname"><a href="namespacegeos_1_1geom.html#a7ae87f5f677ca32c3b2ef55aeb1d80a7">geos::geom::SnapOp</a></div><div class="ttdeci">std::auto_ptr< Geometry > SnapOp(const Geometry *g0, const Geometry *g1, BinOp _Op)</div><div class="ttdoc">Apply a binary operation to the given geometries after snapping them to each other after common-bits ...</div><div class="ttdef"><b>Definition:</b> BinaryOp.h:236</div></div> <div class="ttc" id="classgeos_1_1util_1_1TopologyException_html"><div class="ttname"><a href="classgeos_1_1util_1_1TopologyException.html">geos::util::TopologyException</a></div><div class="ttdoc">Indicates an invalid or inconsistent topological situation encountered during processing. </div><div class="ttdef"><b>Definition:</b> TopologyException.h:35</div></div> <div class="ttc" id="classgeos_1_1precision_1_1CommonBitsRemover_html_a286e6fd6378012f2c3feef6f131e46e6"><div class="ttname"><a href="classgeos_1_1precision_1_1CommonBitsRemover.html#a286e6fd6378012f2c3feef6f131e46e6">geos::precision::CommonBitsRemover::addCommonBits</a></div><div class="ttdeci">geom::Geometry * addCommonBits(geom::Geometry *geom)</div><div class="ttdoc">Adds the common coordinate bits back into a Geometry. The coordinates of the Geometry are changed...</div></div> <div class="ttc" id="classgeos_1_1precision_1_1CommonBitsRemover_html_adabbf68d10a4ac2e5f008c0b2285d1c1"><div class="ttname"><a href="classgeos_1_1precision_1_1CommonBitsRemover.html#adabbf68d10a4ac2e5f008c0b2285d1c1">geos::precision::CommonBitsRemover::add</a></div><div class="ttdeci">void add(const geom::Geometry *geom)</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1BoundaryNodeRule_html_a6c2d4bb0c0881e0579c2b3cd84210d1b"><div class="ttname"><a href="classgeos_1_1algorithm_1_1BoundaryNodeRule.html#a6c2d4bb0c0881e0579c2b3cd84210d1b">geos::algorithm::BoundaryNodeRule::getBoundaryEndPoint</a></div><div class="ttdeci">static const BoundaryNodeRule & getBoundaryEndPoint()</div><div class="ttdoc">The Endpoint Boundary Node Rule. </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>