<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>GEOS: HotPixel.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.1 -->
<div class="navigation" id="top">
<div class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
</ul>
</div>
<div class="header">
<div class="headertitle">
<h1>HotPixel.h</h1> </div>
</div>
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: HotPixel.h 2777 2009-12-03 19:41:15Z 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) 2006 Refractions Research Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span>
<a name="l00010"></a>00010 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span>
<a name="l00011"></a>00011 <span class="comment"> * by the Free Software Foundation. </span>
<a name="l00012"></a>00012 <span class="comment"> * See the COPYING file for more information.</span>
<a name="l00013"></a>00013 <span class="comment"> *</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"> * Last port: noding/snapround/HotPixel.java rev. 1.3 (JTS-1.9)</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> **********************************************************************/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#ifndef GEOS_NODING_SNAPROUND_HOTPIXEL_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_SNAPROUND_HOTPIXEL_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <geos/export.h></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <geos/inline.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <geos/geom/Coordinate.h></span> <span class="comment">// for composition</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <geos/geom/Envelope.h></span> <span class="comment">// for auto_ptr</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="comment">// Forward declarations</span>
<a name="l00031"></a>00031 <span class="keyword">namespace </span>geos {
<a name="l00032"></a>00032 <span class="keyword">namespace </span>geom {
<a name="l00033"></a>00033 <span class="keyword">class </span>Envelope;
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035 <span class="keyword">namespace </span>algorithm {
<a name="l00036"></a>00036 <span class="keyword">class </span>LineIntersector;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038 <span class="keyword">namespace </span>noding {
<a name="l00039"></a>00039 <span class="keyword">class </span>NodedSegmentString;
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">namespace </span>geos {
<a name="l00044"></a>00044 <span class="keyword">namespace </span>noding { <span class="comment">// geos::noding</span>
<a name="l00045"></a><a class="code" href="namespacegeos_1_1noding_1_1snapround.html">00045</a> <span class="keyword">namespace </span>snapround { <span class="comment">// geos::noding::snapround</span>
<a name="l00046"></a>00046
<a name="l00058"></a><a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html">00058</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html" title="Implements a &quot;hot pixel&quot; as used in the Snap Rounding algorithm.">HotPixel</a> {
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keyword">private</span>:
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html" title="A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...">algorithm::LineIntersector</a>& li;
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> pt;
<a name="l00065"></a>00065 <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.">geom::Coordinate</a>& originalPt;
<a name="l00066"></a>00066 <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> ptScaled;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">mutable</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> p0Scaled;
<a name="l00069"></a>00069 <span class="keyword">mutable</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> p1Scaled;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordtype">double</span> scaleFactor;
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keywordtype">double</span> minx;
<a name="l00074"></a>00074 <span class="keywordtype">double</span> maxx;
<a name="l00075"></a>00075 <span class="keywordtype">double</span> miny;
<a name="l00076"></a>00076 <span class="keywordtype">double</span> maxy;
<a name="l00077"></a>00077
<a name="l00085"></a>00085 std::vector<geom::Coordinate> corner;
<a name="l00086"></a>00086
<a name="l00088"></a>00088 <span class="keyword">mutable</span> std::auto_ptr<geom::Envelope> safeEnv;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keywordtype">void</span> initCorners(<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.">geom::Coordinate</a>& pt);
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordtype">double</span> scale(<span class="keywordtype">double</span> val) <span class="keyword">const</span>;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keywordtype">void</span> copyScaled(<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.">geom::Coordinate</a>& p,
<a name="l00095"></a>00095 <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a>& pScaled) <span class="keyword">const</span>;
<a name="l00096"></a>00096
<a name="l00118"></a>00118 <span class="keywordtype">bool</span> intersectsToleranceSquare(<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.">geom::Coordinate</a>& p0,
<a name="l00119"></a>00119 <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.">geom::Coordinate</a>& p1) <span class="keyword">const</span>;
<a name="l00120"></a>00120
<a name="l00121"></a>00121
<a name="l00136"></a>00136 <span class="keywordtype">bool</span> intersectsPixelClosure(<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.">geom::Coordinate</a>& p0,
<a name="l00137"></a>00137 <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.">geom::Coordinate</a>& p1);
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="comment">// Declare type as noncopyable</span>
<a name="l00140"></a>00140 <a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html" title="Implements a &quot;hot pixel&quot; as used in the Snap Rounding algorithm.">HotPixel</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html" title="Implements a &quot;hot pixel&quot; as used in the Snap Rounding algorithm.">HotPixel</a>& other);
<a name="l00141"></a>00141 <a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html" title="Implements a &quot;hot pixel&quot; as used in the Snap Rounding algorithm.">HotPixel</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html" title="Implements a &quot;hot pixel&quot; as used in the Snap Rounding algorithm.">HotPixel</a>& rhs);
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keyword">public</span>:
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html" title="Implements a &quot;hot pixel&quot; as used in the Snap Rounding algorithm.">HotPixel</a>(<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.">geom::Coordinate</a>& pt,
<a name="l00146"></a>00146 <span class="keywordtype">double</span> scaleFact,
<a name="l00147"></a>00147 <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html" title="A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...">algorithm::LineIntersector</a>& li);
<a name="l00148"></a>00148
<a name="l00152"></a><a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html#ad07c86000f662071ebc2ace9c43b318e">00152</a> <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.">geom::Coordinate</a>& <a class="code" href="classgeos_1_1noding_1_1snapround_1_1HotPixel.html#ad07c86000f662071ebc2ace9c43b318e" title="Return reference to original Coordinate (the one provided at construction time).">getCoordinate</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> originalPt; }
<a name="l00153"></a>00153
<a name="l00158"></a>00158 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html" title="An Envelope defines a rectangulare region of the 2D coordinate plane.">geom::Envelope</a>& getSafeEnvelope() <span class="keyword">const</span>;
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keywordtype">bool</span> intersectsScaled(<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.">geom::Coordinate</a>& p0,
<a name="l00161"></a>00161 <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.">geom::Coordinate</a>& p1) <span class="keyword">const</span>;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordtype">bool</span> intersects(<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.">geom::Coordinate</a>& p0,
<a name="l00164"></a>00164 <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.">geom::Coordinate</a>& p1) <span class="keyword">const</span>;
<a name="l00165"></a>00165
<a name="l00174"></a>00174 <span class="keywordtype">bool</span> addSnappedNode(<a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html" title="Represents a list of contiguous line segments, and supports noding the segments.">NodedSegmentString</a>& segStr, <span class="keywordtype">size_t</span> segIndex);
<a name="l00175"></a>00175
<a name="l00176"></a>00176 };
<a name="l00177"></a>00177
<a name="l00178"></a>00178
<a name="l00179"></a>00179
<a name="l00180"></a>00180 } <span class="comment">// namespace geos::noding::snapround</span>
<a name="l00181"></a>00181 } <span class="comment">// namespace geos::noding</span>
<a name="l00182"></a>00182 } <span class="comment">// namespace geos</span>
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="preprocessor">#ifdef GEOS_INLINE</span>
<a name="l00185"></a>00185 <span class="preprocessor"></span><span class="preprocessor"># include "geos/noding/snapround/HotPixel.inl"</span>
<a name="l00186"></a>00186 <span class="preprocessor">#endif</span>
<a name="l00187"></a>00187 <span class="preprocessor"></span>
<a name="l00188"></a>00188 <span class="preprocessor">#endif // GEOS_NODING_SNAPROUND_HOTPIXEL_H</span>
<a name="l00189"></a>00189 <span class="preprocessor"></span>
<a name="l00190"></a>00190 <span class="comment">/**********************************************************************</span>
<a name="l00191"></a>00191 <span class="comment"> * $Log$</span>
<a name="l00192"></a>00192 <span class="comment"> * Revision 1.3 2006/05/03 17:50:49 strk</span>
<a name="l00193"></a>00193 <span class="comment"> * Doxygen comments</span>
<a name="l00194"></a>00194 <span class="comment"> *</span>
<a name="l00195"></a>00195 <span class="comment"> * Revision 1.2 2006/03/24 09:52:41 strk</span>
<a name="l00196"></a>00196 <span class="comment"> * USE_INLINE => GEOS_INLINE</span>
<a name="l00197"></a>00197 <span class="comment"> *</span>
<a name="l00198"></a>00198 <span class="comment"> * Revision 1.1 2006/03/14 12:55:56 strk</span>
<a name="l00199"></a>00199 <span class="comment"> * Headers split: geomgraphindex.h, nodingSnapround.h</span>
<a name="l00200"></a>00200 <span class="comment"> *</span>
<a name="l00201"></a>00201 <span class="comment"> **********************************************************************/</span>
<a name="l00202"></a>00202
</pre></div></div>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Thu Jul 22 2010 for GEOS by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address>
</body>
</html>
