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<div class="header"> <div class="headertitle"> <div class="title">BufferInputLineSimplifier.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) 2009 Sandro Santilli <strk@keybit.net></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: operation/buffer/BufferInputLineSimplifier.java r320 (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_OP_BUFFER_BUFFERINPUTLINESIMPLIFIER_H</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_BUFFER_BUFFERINPUTLINESIMPLIFIER_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <geos/geom/CoordinateSequence.h></span> <span class="comment">// complete type required</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <geos/algorithm/CGAlgorithms.h></span> <span class="comment">// for enum</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <memory></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">class </span>CoordinateSequence;</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">//class PrecisionModel;</span></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> }</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos.operation</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>buffer { <span class="comment">// geos.operation.buffer</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html"> 73</a></span> <span class="keyword">class </span><a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html">BufferInputLineSimplifier</a></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> </div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">static</span> std::auto_ptr<geom::CoordinateSequence> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html#ac49af0a02dc230d43473c2bc2f2fed4e">simplify</a>(</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>& inputLine, <span class="keywordtype">double</span> distanceTol);</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html">BufferInputLineSimplifier</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>& input);</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  std::auto_ptr<geom::CoordinateSequence> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html#ac49af0a02dc230d43473c2bc2f2fed4e">simplify</a>(<span class="keywordtype">double</span> distanceTol);</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">bool</span> deleteShallowConcavities();</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> findNextNonDeletedIndex(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index) <span class="keyword">const</span>;</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  std::auto_ptr<geom::CoordinateSequence> collapseLine() <span class="keyword">const</span>;</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">bool</span> isDeletable(<span class="keywordtype">int</span> i0, <span class="keywordtype">int</span> i1, <span class="keywordtype">int</span> i2, <span class="keywordtype">double</span> distanceTol) <span class="keyword">const</span>;</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">bool</span> isShallowConcavity(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p0,</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p1,</div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p2,</div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">double</span> distanceTol) <span class="keyword">const</span>;</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">bool</span> isShallowSampled(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p0,</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p2,</div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">int</span> i0, <span class="keywordtype">int</span> i2, <span class="keywordtype">double</span> distanceTol) <span class="keyword">const</span>;</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">bool</span> isShallow(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p0,</div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p1,</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p2,</div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">double</span> distanceTol) <span class="keyword">const</span>;</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">bool</span> isConcave(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p0,</div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p1,</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p2) <span class="keyword">const</span>;</div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> NUM_PTS_TO_CHECK = 10;</div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> INIT = 0;</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> DELETE = 1;</div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> KEEP = 1;</div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>& inputLine;</div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">double</span> distanceTol;</div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  std::vector<int> isDeleted;</div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">int</span> angleOrientation;</div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html">BufferInputLineSimplifier</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html">BufferInputLineSimplifier</a>& other);</div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html">BufferInputLineSimplifier</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html">BufferInputLineSimplifier</a>& rhs);</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> </div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> } <span class="comment">// namespace geos.operation.buffer</span></div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> } <span class="comment">// namespace geos.operation</span></div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor">#endif // ndef GEOS_OP_BUFFER_BUFFERINPUTLINESIMPLIFIER_H</span></div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"></span></div> <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> Coordinate.h:60</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier_html_ac49af0a02dc230d43473c2bc2f2fed4e"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html#ac49af0a02dc230d43473c2bc2f2fed4e">geos::operation::buffer::BufferInputLineSimplifier::simplify</a></div><div class="ttdeci">static std::auto_ptr< geom::CoordinateSequence > simplify(const geom::CoordinateSequence &inputLine, double distanceTol)</div></div> <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> CoordinateSequence.h:59</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier_html"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1BufferInputLineSimplifier.html">geos::operation::buffer::BufferInputLineSimplifier</a></div><div class="ttdoc">Simplifies a buffer input line to remove concavities with shallow depth. </div><div class="ttdef"><b>Definition:</b> BufferInputLineSimplifier.h:73</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>