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comparison Framework/Toolbox/GeometryToolbox.h @ 0:351ab0da0150

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
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children 517c46f527cd
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1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #pragma once
34
35 #include <boost/numeric/ublas/vector.hpp>
36
37
38 namespace OrthancStone
39 {
40 typedef boost::numeric::ublas::vector<double> Vector;
41
42 namespace GeometryToolbox
43 {
44 void Print(const Vector& v);
45
46 bool ParseVector(Vector& target,
47 const std::string& value);
48
49 void AssignVector(Vector& v,
50 double v1,
51 double v2);
52
53 void AssignVector(Vector& v,
54 double v1,
55 double v2,
56 double v3);
57
58 inline bool IsNear(double x,
59 double y,
60 double threshold)
61 {
62 return fabs(x - y) < threshold;
63 }
64
65 bool IsNear(double x,
66 double y);
67
68 inline bool IsCloseToZero(double x)
69 {
70 return IsNear(x, 0.0);
71 }
72
73 void NormalizeVector(Vector& u);
74
75 void CrossProduct(Vector& result,
76 const Vector& u,
77 const Vector& v);
78
79 void ProjectPointOntoPlane(Vector& result,
80 const Vector& point,
81 const Vector& planeNormal,
82 const Vector& planeOrigin);
83
84 bool IsParallel(const Vector& u,
85 const Vector& v);
86
87 bool IsParallelOrOpposite(bool& isOpposite,
88 const Vector& u,
89 const Vector& v);
90
91 bool IntersectTwoPlanes(Vector& p,
92 Vector& direction,
93 const Vector& origin1,
94 const Vector& normal1,
95 const Vector& origin2,
96 const Vector& normal2);
97
98 bool ClipLineToRectangle(double& x1, // Coordinates of the clipped line (out)
99 double& y1,
100 double& x2,
101 double& y2,
102 const double ax, // Two points defining the line (in)
103 const double ay,
104 const double bx,
105 const double by,
106 const double& xmin, // Coordinates of the rectangle (in)
107 const double& ymin,
108 const double& xmax,
109 const double& ymax);
110 };
111 }