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<hr><h1>edge.h</h1><div class="fragment"><pre>00001 <font class="comment">//</font>
00002 <font class="comment">// edge.h</font>
00003 <font class="comment">//</font>
00004 <font class="comment">// Copyright (C) 1996 Limit Point Systems, Inc.</font>
00005 <font class="comment">//</font>
00006 <font class="comment">// Author: Curtis Janssen <cljanss@limitpt.com></font>
00007 <font class="comment">// Maintainer: LPS</font>
00008 <font class="comment">//</font>
00009 <font class="comment">// This file is part of the SC Toolkit.</font>
00010 <font class="comment">//</font>
00011 <font class="comment">// The SC Toolkit is free software; you can redistribute it and/or modify</font>
00012 <font class="comment">// it under the terms of the GNU Library General Public License as published by</font>
00013 <font class="comment">// the Free Software Foundation; either version 2, or (at your option)</font>
00014 <font class="comment">// any later version.</font>
00015 <font class="comment">//</font>
00016 <font class="comment">// The SC Toolkit is distributed in the hope that it will be useful,</font>
00017 <font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00018 <font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</font>
00019 <font class="comment">// GNU Library General Public License for more details.</font>
00020 <font class="comment">//</font>
00021 <font class="comment">// You should have received a copy of the GNU Library General Public License</font>
00022 <font class="comment">// along with the SC Toolkit; see the file COPYING.LIB. If not, write to</font>
00023 <font class="comment">// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.</font>
00024 <font class="comment">//</font>
00025 <font class="comment">// The U.S. Government is granted a limited license as per AL 91-7.</font>
00026 <font class="comment">//</font>
00027
00028 <font class="preprocessor">#ifndef _math_isosurf_edge_h</font>
00029 <font class="preprocessor"></font><font class="preprocessor">#define _math_isosurf_edge_h</font>
00030 <font class="preprocessor"></font>
00031 <font class="preprocessor">#ifdef __GNUC__</font>
00032 <font class="preprocessor"></font><font class="preprocessor">#pragma interface</font>
00033 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00034 <font class="preprocessor"></font>
00035 <font class="preprocessor">#include <util/container/avlset.h></font>
00036 <font class="preprocessor">#include <math/isosurf/vertex.h></font>
00037
00038 <font class="keyword">namespace </font>sc {
00039
00040 <font class="keyword">class </font>Edge: <font class="keyword">public</font> RefCount {
00041 <font class="keyword">private</font>:
00042 <font class="keywordtype">int</font> _order;
00043 Ref<Vertex> *_vertices; <font class="comment">// nvertices = _order + 1</font>
00044 <font class="keyword">public</font>:
00045 Edge(<font class="keyword">const</font> Ref<Vertex> &p1,
00046 <font class="keyword">const</font> Ref<Vertex> &p2)<font class="keyword"></font>
00047 <font class="keyword"> </font>{
00048 _order = 1;
00049 _vertices = <font class="keyword">new</font> Ref<Vertex>[2];
00050 _vertices[0]=p1; _vertices[1]=p2;
00051 }
00052 Edge(<font class="keyword">const</font> Ref<Vertex> &p1,
00053 <font class="keyword">const</font> Ref<Vertex> &p2,
00054 <font class="keyword">const</font> Ref<Vertex> &p3);
00055 Edge(<font class="keyword">const</font> Ref<Vertex> &p1,
00056 <font class="keyword">const</font> Ref<Vertex> &p2,
00057 <font class="keyword">const</font> Ref<Vertex> &p3,
00058 <font class="keyword">const</font> Ref<Vertex> &p4);
00059 ~Edge();
00060 <font class="keywordtype">int</font> order()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> _order; }
00061 <font class="keywordtype">double</font> straight_length();
00062 <font class="comment">// return the endpoints</font>
00063 Ref<Vertex> vertex(<font class="keywordtype">int</font> i)<font class="keyword"> const</font>
00064 <font class="keyword"> </font>{
00065 <font class="keywordflow">return</font> i?_vertices[_order]:_vertices[0];
00066 }
00067 <font class="comment">// returns endpoints or interior vertex 0 <= i <= order</font>
00068 Ref<Vertex> interior_vertex(<font class="keywordtype">int</font> i)<font class="keyword"> const</font>
00069 <font class="keyword"> </font>{
00070 <font class="keywordflow">return</font> _vertices[i];
00071 }
00072 <font class="comment">// add the endpoints to the set</font>
00073 <font class="keywordtype">void</font> add_vertices(AVLSet<Ref<Vertex> >&);
00074 <font class="keywordtype">void</font> set_order(<font class="keywordtype">int</font> order, <font class="keyword">const</font> Ref<Volume>&vol,<font class="keywordtype">double</font> isovalue);
00075 <font class="comment">// find the position of a point on the edge</font>
00076 <font class="keywordtype">int</font> interpolate(<font class="keywordtype">double</font> location, SCVector3&point, SCVector3&norm);
00077 <font class="comment">// find the true position of a point using the isosurface</font>
00078 <font class="keywordtype">int</font> interpolate(<font class="keywordtype">double</font> location, SCVector3&point, SCVector3&norm,
00079 <font class="keyword">const</font> Ref<Volume> &vol, <font class="keywordtype">double</font> isovalue);
00080 };
00081
00082 }
00083
00084 <font class="preprocessor">#endif</font>
00085 <font class="preprocessor"></font>
00086 <font class="comment">// Local Variables:</font>
00087 <font class="comment">// mode: c++</font>
00088 <font class="comment">// c-file-style: "CLJ"</font>
00089 <font class="comment">// End:</font>
</div></pre><hr>
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