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<h1>Point.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: Point.h 2556 2009-06-06 22:22:28Z strk $</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) 2001-2002 Vivid Solutions Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2005 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: geom/Point.java rev. 1.37 (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_GEOS_POINT_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_GEOS_POINT_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <geos/export.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <geos/platform.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <geos/geom/Geometry.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <geos/geom/CoordinateSequence.h></span> <span class="comment">// for proper use of auto_ptr<></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <geos/geom/Envelope.h></span> <span class="comment">// for proper use of auto_ptr<></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <geos/geom/Dimension.h></span> <span class="comment">// for Dimension::DimensionType</span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="preprocessor">#include <geos/inline.h></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#include <string></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <vector></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <memory></span> <span class="comment">// for auto_ptr</span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="comment">// Forward declarations</span>
<a name="l00038"></a>00038 <span class="keyword">namespace </span>geos {
<a name="l00039"></a>00039 <span class="keyword">namespace </span>geom { <span class="comment">// geos::geom</span>
<a name="l00040"></a>00040 <span class="keyword">class </span>Coordinate;
<a name="l00041"></a>00041 <span class="keyword">class </span>CoordinateArraySequence;
<a name="l00042"></a>00042 <span class="keyword">class </span>CoordinateFilter;
<a name="l00043"></a>00043 <span class="keyword">class </span>CoordinateSequenceFilter;
<a name="l00044"></a>00044 <span class="keyword">class </span>GeometryComponentFilter;
<a name="l00045"></a>00045 <span class="keyword">class </span>GeometryFilter;
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">namespace </span>geos {
<a name="l00050"></a>00050 <span class="keyword">namespace </span>geom { <span class="comment">// geos::geom</span>
<a name="l00051"></a>00051
<a name="l00056"></a><a class="code" href="classgeos_1_1geom_1_1Point.html">00056</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1geom_1_1Point.html" title="Basic implementation of Point.">Point</a> : <span class="keyword">public</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">Geometry</a>
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// NOTE: in JTS Point implements Puntual</span>
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="keyword">public</span>:
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html" title="Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...">GeometryFactory</a>;
<a name="l00064"></a>00064
<a name="l00066"></a><a class="code" href="classgeos_1_1geom_1_1Point.html#a5f868c3399bb6b80a272ce1e48df2890">00066</a> <span class="keyword">typedef</span> std::vector<const Point *> ConstVect;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">virtual</span> ~<a class="code" href="classgeos_1_1geom_1_1Point.html" title="Basic implementation of Point.">Point</a>();
<a name="l00069"></a>00069
<a name="l00076"></a><a class="code" href="classgeos_1_1geom_1_1Point.html#a599bee782704de9ee49a68a839c36be0">00076</a> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">Geometry</a> *<a class="code" href="classgeos_1_1geom_1_1Point.html#a599bee782704de9ee49a68a839c36be0">clone</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classgeos_1_1geom_1_1Point.html" title="Basic implementation of Point.">Point</a>(*<span class="keyword">this</span>); }
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">CoordinateSequence</a>* getCoordinates(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">CoordinateSequence</a>* getCoordinatesRO() <span class="keyword">const</span>;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">size_t</span> getNumPoints() <span class="keyword">const</span>;
<a name="l00083"></a>00083 <span class="keywordtype">bool</span> isEmpty() <span class="keyword">const</span>;
<a name="l00084"></a>00084 <span class="keywordtype">bool</span> isSimple() <span class="keyword">const</span>;
<a name="l00085"></a>00085 <span class="comment">//bool isValid() const;</span>
<a name="l00086"></a>00086
<a name="l00088"></a>00088 <a class="code" href="classgeos_1_1geom_1_1Dimension.html#af46f1c0c325eb685fcf32987748d04cf">Dimension::DimensionType</a> getDimension() <span class="keyword">const</span>;
<a name="l00089"></a>00089
<a name="l00091"></a>00091 <span class="keywordtype">int</span> getBoundaryDimension() <span class="keyword">const</span>;
<a name="l00092"></a>00092
<a name="l00101"></a>00101 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">Geometry</a>* getBoundary() <span class="keyword">const</span>;
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordtype">double</span> getX() <span class="keyword">const</span>;
<a name="l00104"></a>00104 <span class="keywordtype">double</span> getY() <span class="keyword">const</span>;
<a name="l00105"></a>00105 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">Coordinate</a>* getCoordinate() <span class="keyword">const</span>;
<a name="l00106"></a>00106 std::string getGeometryType() <span class="keyword">const</span>;
<a name="l00107"></a>00107 <span class="keyword">virtual</span> <a class="code" href="namespacegeos_1_1geom.html#a98c5b0e81001a7c3fdc7a058960356d8" title="Geometry types.">GeometryTypeId</a> getGeometryTypeId() <span class="keyword">const</span>;
<a name="l00108"></a>00108 <span class="keywordtype">void</span> apply_ro(<a class="code" href="classgeos_1_1geom_1_1CoordinateFilter.html">CoordinateFilter</a> *filter) <span class="keyword">const</span>;
<a name="l00109"></a>00109 <span class="keywordtype">void</span> apply_rw(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateFilter.html">CoordinateFilter</a> *filter);
<a name="l00110"></a>00110 <span class="keywordtype">void</span> apply_ro(<a class="code" href="classgeos_1_1geom_1_1GeometryFilter.html" title="Geometry classes support the concept of applying a Geometry filter to the Geometry.">GeometryFilter</a> *filter) <span class="keyword">const</span>;
<a name="l00111"></a>00111 <span class="keywordtype">void</span> apply_rw(<a class="code" href="classgeos_1_1geom_1_1GeometryFilter.html" title="Geometry classes support the concept of applying a Geometry filter to the Geometry.">GeometryFilter</a> *filter);
<a name="l00112"></a>00112 <span class="keywordtype">void</span> apply_rw(<a class="code" href="classgeos_1_1geom_1_1GeometryComponentFilter.html">GeometryComponentFilter</a> *filter);
<a name="l00113"></a>00113 <span class="keywordtype">void</span> apply_ro(<a class="code" href="classgeos_1_1geom_1_1GeometryComponentFilter.html">GeometryComponentFilter</a> *filter) <span class="keyword">const</span>;
<a name="l00114"></a>00114 <span class="keywordtype">void</span> apply_rw(<a class="code" href="classgeos_1_1geom_1_1CoordinateSequenceFilter.html">CoordinateSequenceFilter</a>& filter);
<a name="l00115"></a>00115 <span class="keywordtype">void</span> apply_ro(<a class="code" href="classgeos_1_1geom_1_1CoordinateSequenceFilter.html">CoordinateSequenceFilter</a>& filter) <span class="keyword">const</span>;
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keywordtype">bool</span> equalsExact(<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.">Geometry</a> *other, <span class="keywordtype">double</span> tolerance=0) <span class="keyword">const</span>;
<a name="l00118"></a>00118
<a name="l00119"></a><a class="code" href="classgeos_1_1geom_1_1Point.html#ae5492a3a2a675d6cb81e3f33bca37e97">00119</a> <span class="keywordtype">void</span> normalize(<span class="keywordtype">void</span>)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="comment">// a Point is always in normalized form</span>
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">Geometry</a>* reverse()<span class="keyword"> const</span>
<a name="l00125"></a>00125 <span class="keyword"> </span>{
<a name="l00126"></a>00126 <span class="keywordflow">return</span> clone();
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keyword">protected</span>:
<a name="l00130"></a>00130
<a name="l00143"></a>00143 Point(CoordinateSequence *newCoords, <span class="keyword">const</span> GeometryFactory *newFactory);
<a name="l00144"></a>00144
<a name="l00145"></a>00145 Point(<span class="keyword">const</span> Point &p);
<a name="l00146"></a>00146
<a name="l00147"></a>00147 Envelope::AutoPtr computeEnvelopeInternal() <span class="keyword">const</span>;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordtype">int</span> compareToSameClass(<span class="keyword">const</span> Geometry *p) <span class="keyword">const</span>;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="keyword">private</span>:
<a name="l00152"></a>00152
<a name="l00156"></a>00156 std::auto_ptr<CoordinateSequence> coordinates;
<a name="l00157"></a>00157 };
<a name="l00158"></a>00158
<a name="l00159"></a>00159 } <span class="comment">// namespace geos::geom</span>
<a name="l00160"></a>00160 } <span class="comment">// namespace geos</span>
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="comment">//#ifdef GEOS_INLINE</span>
<a name="l00163"></a>00163 <span class="comment">//# include "geos/geom/Point.inl"</span>
<a name="l00164"></a>00164 <span class="comment">//#endif</span>
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="preprocessor">#endif // ndef GEOS_GEOS_POINT_H</span>
<a name="l00167"></a>00167 <span class="preprocessor"></span>
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