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<a href="MCIndexPointSnapper_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * by the Free Software Foundation.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * See the COPYING file for more information.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> **********************************************************************</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Last port: noding/snapround/MCIndexPointSnapper.java r486 (JTS-1.12+)</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef GEOS_NODING_SNAPROUND_MCINDEXPOINTSNAPPER_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define GEOS_NODING_SNAPROUND_MCINDEXPOINTSNAPPER_H</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <cstddef></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <<a class="code" href="export_8h.html">geos/export.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 <<a class="code" href="inline_8h.html">geos/inline.h</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Forward declarations</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>geom {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">class </span>Envelope;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> }</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>index {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">class </span>SpatialIndex;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> }</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>noding {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">class </span>SegmentString;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>snapround {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">class </span>HotPixel;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> }</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> }</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span>noding { <span class="comment">// geos::noding</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">namespace </span>snapround { <span class="comment">// geos::noding::snapround</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html"> 52</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html">MCIndexPointSnapper</a> {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#ae07d45ce9fbd2a568d7aa5288975a501"> 57</a></span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#ae07d45ce9fbd2a568d7aa5288975a501">MCIndexPointSnapper</a>(<a class="code" href="classgeos_1_1index_1_1SpatialIndex.html">index::SpatialIndex</a>& nIndex)</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  :</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  index(nIndex)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {}</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">bool</span> snap(<a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html">HotPixel</a>& hotPixel, <a class="code" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a>* parentEdge,</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">size_t</span> vertexIndex);</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="keywordtype">bool</span></div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#aa598a2ad9b554aa939b8d83bd725e5f4"> 78</a></span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#aa598a2ad9b554aa939b8d83bd725e5f4">snap</a>(<a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html">HotPixel</a>& hotPixel)</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> snap(hotPixel, <span class="keyword">nullptr</span>, 0);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</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>  <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a> getSafeEnvelope(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html">HotPixel</a>& hp) <span class="keyword">const</span>;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#a3d0c4a0fb08fbca251f076186dac43c6"> 88</a></span>  <span class="keyword">static</span> constexpr <span class="keywordtype">double</span> SAFE_ENV_EXPANSION_FACTOR = 0.75;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#a8090e010c866eddf6a43226bdb772502"> 90</a></span>  <a class="code" href="classgeos_1_1index_1_1SpatialIndex.html">index::SpatialIndex</a>& <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#a8090e010c866eddf6a43226bdb772502">index</a>;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// Declare type as noncopyable</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html">MCIndexPointSnapper</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html">MCIndexPointSnapper</a>& other) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html">MCIndexPointSnapper</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html">MCIndexPointSnapper</a>& rhs) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> };</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> } <span class="comment">// namespace geos::noding::snapround</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> } <span class="comment">// namespace geos::noding</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> } <span class="comment">// namespace geos</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#endif // GEOS_NODING_SNAPROUND_MCINDEXPOINTSNAPPER_H</span></div><div class="ttc" id="classgeos_1_1geom_1_1Envelope_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Envelope.html">geos::geom::Envelope</a></div><div class="ttdoc">An Envelope defines a rectangulare region of the 2D coordinate plane. </div><div class="ttdef"><b>Definition:</b> <a href="Envelope_8h_source.html#l00058">Envelope.h:58</a></div></div>
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<div class="ttc" id="classgeos_1_1noding_1_1snapround_1_1HotPixel_html"><div class="ttname"><a href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html">geos::noding::snapround::HotPixel</a></div><div class="ttdoc">Implements a "hot pixel" as used in the Snap Rounding algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="HotPixel_8h_source.html#l00063">HotPixel.h:63</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="inline_8h_html"><div class="ttname"><a href="inline_8h.html">inline.h</a></div></div>
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<div class="ttc" id="export_8h_html"><div class="ttname"><a href="export_8h.html">export.h</a></div></div>
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<div class="ttc" id="classgeos_1_1noding_1_1SegmentString_html"><div class="ttname"><a href="classgeos_1_1noding_1_1SegmentString.html">geos::noding::SegmentString</a></div><div class="ttdoc">An interface for classes which represent a sequence of contiguous line segments. </div><div class="ttdef"><b>Definition:</b> <a href="SegmentString_8h_source.html#l00046">SegmentString.h:46</a></div></div>
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<div class="ttc" id="classgeos_1_1index_1_1SpatialIndex_html"><div class="ttname"><a href="classgeos_1_1index_1_1SpatialIndex.html">geos::index::SpatialIndex</a></div><div class="ttdoc">Abstract class defines basic insertion and query operations supported by classes implementing spatial...</div><div class="ttdef"><b>Definition:</b> <a href="SpatialIndex_8h_source.html#l00047">SpatialIndex.h:47</a></div></div>
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<div class="ttc" id="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper_html_ae07d45ce9fbd2a568d7aa5288975a501"><div class="ttname"><a href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#ae07d45ce9fbd2a568d7aa5288975a501">geos::noding::snapround::MCIndexPointSnapper::MCIndexPointSnapper</a></div><div class="ttdeci">MCIndexPointSnapper(index::SpatialIndex &nIndex)</div><div class="ttdef"><b>Definition:</b> <a href="MCIndexPointSnapper_8h_source.html#l00057">MCIndexPointSnapper.h:57</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_1noding_1_1snapround_1_1MCIndexPointSnapper_html_a8090e010c866eddf6a43226bdb772502"><div class="ttname"><a href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#a8090e010c866eddf6a43226bdb772502">geos::noding::snapround::MCIndexPointSnapper::index</a></div><div class="ttdeci">index::SpatialIndex & index</div><div class="ttdef"><b>Definition:</b> <a href="MCIndexPointSnapper_8h_source.html#l00090">MCIndexPointSnapper.h:90</a></div></div>
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<div class="ttc" id="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper_html_aa598a2ad9b554aa939b8d83bd725e5f4"><div class="ttname"><a href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html#aa598a2ad9b554aa939b8d83bd725e5f4">geos::noding::snapround::MCIndexPointSnapper::snap</a></div><div class="ttdeci">bool snap(HotPixel &hotPixel)</div><div class="ttdef"><b>Definition:</b> <a href="MCIndexPointSnapper_8h_source.html#l00078">MCIndexPointSnapper.h:78</a></div></div>
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<div class="ttc" id="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper_html"><div class="ttname"><a href="classgeos_1_1noding_1_1snapround_1_1MCIndexPointSnapper.html">geos::noding::snapround::MCIndexPointSnapper</a></div><div class="ttdoc">"Snaps" all SegmentStrings in a SpatialIndex containing MonotoneChains to a given HotPixel...</div><div class="ttdef"><b>Definition:</b> <a href="MCIndexPointSnapper_8h_source.html#l00052">MCIndexPointSnapper.h:52</a></div></div>
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