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<h1>GeometrySnapper.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: GeometrySnapper.h 2809 2009-12-06 01:05:24Z mloskot $</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * GEOS - Geometry Engine Open Source</span>
<a name="l00005"></a>00005 <span class="comment"> * http://geos.refractions.net</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Copyright (C) 2009 Sandro Santilli <strk@keybit.net></span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span>
<a name="l00011"></a>00011 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span>
<a name="l00012"></a>00012 <span class="comment"> * by the Free Software Foundation. </span>
<a name="l00013"></a>00013 <span class="comment"> * See the COPYING file for more information.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> ***********************************************************************</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * Last port: operation/overlay/snap/GeometrySnapper.java rev 1.8 (JTS-1.10)</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> **********************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <geos/geom/Coordinate.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include <memory></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <vector></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="comment">// Forward declarations</span>
<a name="l00030"></a>00030 <span class="keyword">namespace </span>geos {
<a name="l00031"></a>00031 <span class="keyword">namespace </span>geom {
<a name="l00032"></a>00032 <span class="comment">//class PrecisionModel;</span>
<a name="l00033"></a>00033 <span class="keyword">class </span>Geometry;
<a name="l00034"></a>00034 <span class="keyword">class </span>CoordinateSequence;
<a name="l00035"></a>00035 }
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keyword">namespace </span>geos {
<a name="l00039"></a>00039 <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span>
<a name="l00040"></a>00040 <span class="keyword">namespace </span>overlay { <span class="comment">// geos::operation::overlay</span>
<a name="l00041"></a>00041 <span class="keyword">namespace </span>snap { <span class="comment">// geos::operation::overlay::snap</span>
<a name="l00042"></a>00042
<a name="l00047"></a><a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">00047</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html" title="Snaps the vertices and segments of a geometry to another&#39;s vertices. Should improve robustness fo...">GeometrySnapper</a> {
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">public</span>:
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">typedef</span> std::auto_ptr<geom::Geometry> GeomPtr;
<a name="l00052"></a>00052 <span class="keyword">typedef</span> std::pair<GeomPtr, GeomPtr> GeomPtrPair;
<a name="l00053"></a>00053
<a name="l00063"></a>00063 <span class="keyword">static</span> <span class="keywordtype">void</span> snap(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g0,
<a name="l00064"></a>00064 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g1,
<a name="l00065"></a>00065 <span class="keywordtype">double</span> snapTolerance, GeomPtrPair& ret);
<a name="l00066"></a>00066
<a name="l00072"></a><a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a5df260fee1d8af571aa0e01ff2b3397c">00072</a> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html" title="Snaps the vertices and segments of a geometry to another&#39;s vertices. Should improve robustness fo...">GeometrySnapper</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g)
<a name="l00073"></a>00073 :
<a name="l00074"></a>00074 srcGeom(g)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00087"></a>00087 std::auto_ptr<geom::Geometry> snapTo(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g,
<a name="l00088"></a>00088 <span class="keywordtype">double</span> snapTolerance);
<a name="l00089"></a>00089
<a name="l00097"></a>00097 <span class="keyword">static</span> <span class="keywordtype">double</span> computeOverlaySnapTolerance(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">static</span> <span class="keywordtype">double</span> computeSizeBasedSnapTolerance(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g);
<a name="l00100"></a>00100
<a name="l00104"></a>00104 <span class="keyword">static</span> <span class="keywordtype">double</span> computeOverlaySnapTolerance(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g1,
<a name="l00105"></a>00105 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g2);
<a name="l00106"></a>00106
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keyword">private</span>:
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="comment">// eventually this will be determined from the geometry topology</span>
<a name="l00111"></a>00111 <span class="comment">//static const double snapTol; // = 0.000001;</span>
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> snapPrecisionFactor; <span class="comment">// = 10e-10</span>
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& srcGeom;
<a name="l00116"></a>00116
<a name="l00118"></a>00118 std::auto_ptr<geom::Coordinate::ConstVect> extractTargetCoordinates(
<a name="l00119"></a>00119 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>& g);
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="comment">// Declare type as noncopyable</span>
<a name="l00122"></a>00122 <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html" title="Snaps the vertices and segments of a geometry to another&#39;s vertices. Should improve robustness fo...">GeometrySnapper</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html" title="Snaps the vertices and segments of a geometry to another&#39;s vertices. Should improve robustness fo...">GeometrySnapper</a>& other);
<a name="l00123"></a>00123 <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html" title="Snaps the vertices and segments of a geometry to another&#39;s vertices. Should improve robustness fo...">GeometrySnapper</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html" title="Snaps the vertices and segments of a geometry to another&#39;s vertices. Should improve robustness fo...">GeometrySnapper</a>& rhs);
<a name="l00124"></a>00124 };
<a name="l00125"></a>00125
<a name="l00126"></a>00126
<a name="l00127"></a>00127 } <span class="comment">// namespace geos::operation::overlay::snap</span>
<a name="l00128"></a>00128 } <span class="comment">// namespace geos::operation::overlay</span>
<a name="l00129"></a>00129 } <span class="comment">// namespace geos::operation</span>
<a name="l00130"></a>00130 } <span class="comment">// namespace geos</span>
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="preprocessor">#endif // GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span>
<a name="l00133"></a>00133 <span class="preprocessor"></span>
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