78 lines
19 KiB
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78 lines
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<a href="LineLimiter_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) 2020 Paul Ramsey <pramsey@cleverelephant.ca></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> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <<a class="code" href="CoordinateArraySequence_8h.html">geos/geom/CoordinateArraySequence.h</a>></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">#include <<a class="code" href="export_8h.html">geos/export.h</a>></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <array></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// Forward declarations</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>geom {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">class </span><a class="code" href="classgeos_1_1geom_1_1Envelope.html">Envelope</a>;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">class </span><a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">class </span><a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">CoordinateSequence</a>;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> }</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> }</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">using namespace </span><a class="code" href="namespacegeos_1_1geom.html">geos::geom</a>;</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><a class="code" href="namespacegeos.html">geos</a> { <span class="comment">// geos.</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos.operation</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>overlayng { <span class="comment">// geos.operation.overlayng</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html"> 56</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html">LineLimiter</a> {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// Members</span></div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a39f49f654ec1898a6ed51c1707afedef"> 61</a></span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">Envelope</a>* <a class="code" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a39f49f654ec1898a6ed51c1707afedef">limitEnv</a>;</div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#abbf3a5ff6c9963661080193e5b0e4a8c"> 62</a></span>  std::unique_ptr<std::vector<Coordinate>> <a class="code" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#abbf3a5ff6c9963661080193e5b0e4a8c">ptList</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a01da986f02ce2d1447bf9319e8ccb07c"> 63</a></span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>* <a class="code" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a01da986f02ce2d1447bf9319e8ccb07c">lastOutside</a>;</div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a7acdb86e9c60c280bd74a78b83c08ed9"> 64</a></span>  std::vector<std::unique_ptr<CoordinateArraySequence>> <a class="code" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a7acdb86e9c60c280bd74a78b83c08ed9">sections</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// Methods</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> addPoint(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>* p);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">void</span> addOutside(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>* p);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">bool</span> isLastSegmentIntersecting(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>* p);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">bool</span> isSectionOpen();</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">void</span> startSection();</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">void</span> finishSection();</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> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#ace5097f9696e3bae20b7ad1405363b5b"> 77</a></span>  <a class="code" href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#ace5097f9696e3bae20b7ad1405363b5b">LineLimiter</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">Envelope</a>* env)</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  : limitEnv(env)</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  , ptList(nullptr)</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  , lastOutside(nullptr)</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>  std::vector<std::unique_ptr<CoordinateArraySequence>>& limit(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">CoordinateSequence</a> *pts);</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> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> } <span class="comment">// namespace geos.operation.overlayng</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> } <span class="comment">// namespace geos.operation</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> } <span class="comment">// namespace geos</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="ttc" id="classgeos_1_1operation_1_1overlayng_1_1LineLimiter_html_ace5097f9696e3bae20b7ad1405363b5b"><div class="ttname"><a href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#ace5097f9696e3bae20b7ad1405363b5b">geos::operation::overlayng::LineLimiter::LineLimiter</a></div><div class="ttdeci">LineLimiter(const Envelope *env)</div><div class="ttdef"><b>Definition:</b> <a href="LineLimiter_8h_source.html#l00077">LineLimiter.h:77</a></div></div>
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<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="export_8h_html_ae36df939090171f6e9a28a8cb6254fea"><div class="ttname"><a href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a></div><div class="ttdeci">#define GEOS_DLL</div><div class="ttdef"><b>Definition:</b> <a href="export_8h_source.html#l00028">export.h:28</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1Coordinate_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Coordinate.html">geos::geom::Coordinate</a></div><div class="ttdoc">Coordinate is the lightweight class used to store coordinates. </div><div class="ttdef"><b>Definition:</b> <a href="Coordinate_8h_source.html#l00060">Coordinate.h:60</a></div></div>
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<div class="ttc" id="export_8h_html"><div class="ttname"><a href="export_8h.html">export.h</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1overlayng_1_1LineLimiter_html_a39f49f654ec1898a6ed51c1707afedef"><div class="ttname"><a href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a39f49f654ec1898a6ed51c1707afedef">geos::operation::overlayng::LineLimiter::limitEnv</a></div><div class="ttdeci">const Envelope * limitEnv</div><div class="ttdef"><b>Definition:</b> <a href="LineLimiter_8h_source.html#l00061">LineLimiter.h:61</a></div></div>
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<div class="ttc" id="namespacegeos_1_1geom_html"><div class="ttname"><a href="namespacegeos_1_1geom.html">geos::geom</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexedNestedRingTester_8h_source.html#l00027">IndexedNestedRingTester.h:27</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1overlayng_1_1LineLimiter_html_a01da986f02ce2d1447bf9319e8ccb07c"><div class="ttname"><a href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a01da986f02ce2d1447bf9319e8ccb07c">geos::operation::overlayng::LineLimiter::lastOutside</a></div><div class="ttdeci">const Coordinate * lastOutside</div><div class="ttdef"><b>Definition:</b> <a href="LineLimiter_8h_source.html#l00063">LineLimiter.h:63</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1overlayng_1_1LineLimiter_html_a7acdb86e9c60c280bd74a78b83c08ed9"><div class="ttname"><a href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#a7acdb86e9c60c280bd74a78b83c08ed9">geos::operation::overlayng::LineLimiter::sections</a></div><div class="ttdeci">std::vector< std::unique_ptr< CoordinateArraySequence > > sections</div><div class="ttdef"><b>Definition:</b> <a href="LineLimiter_8h_source.html#l00064">LineLimiter.h:64</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1overlayng_1_1LineLimiter_html"><div class="ttname"><a href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html">geos::operation::overlayng::LineLimiter</a></div><div class="ttdef"><b>Definition:</b> <a href="LineLimiter_8h_source.html#l00056">LineLimiter.h:56</a></div></div>
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<div class="ttc" id="CoordinateArraySequence_8h_html"><div class="ttname"><a href="CoordinateArraySequence_8h.html">CoordinateArraySequence.h</a></div></div>
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<div class="ttc" id="namespacegeos_html"><div class="ttname"><a href="namespacegeos.html">geos</a></div><div class="ttdoc">Basic namespace for all GEOS functionalities. </div><div class="ttdef"><b>Definition:</b> <a href="IndexedNestedRingTester_8h_source.html#l00026">IndexedNestedRingTester.h:26</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1overlayng_1_1LineLimiter_html_abbf3a5ff6c9963661080193e5b0e4a8c"><div class="ttname"><a href="classgeos_1_1operation_1_1overlayng_1_1LineLimiter.html#abbf3a5ff6c9963661080193e5b0e4a8c">geos::operation::overlayng::LineLimiter::ptList</a></div><div class="ttdeci">std::unique_ptr< std::vector< Coordinate > > ptList</div><div class="ttdef"><b>Definition:</b> <a href="LineLimiter_8h_source.html#l00062">LineLimiter.h:62</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1CoordinateSequence_html"><div class="ttname"><a href="classgeos_1_1geom_1_1CoordinateSequence.html">geos::geom::CoordinateSequence</a></div><div class="ttdoc">The internal representation of a list of coordinates inside a Geometry. </div><div class="ttdef"><b>Definition:</b> <a href="CoordinateSequence_8h_source.html#l00058">CoordinateSequence.h:58</a></div></div>
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