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Line.h
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1 /*
2  * This file is part of ALVAR, A Library for Virtual and Augmented Reality.
3  *
4  * Copyright 2007-2012 VTT Technical Research Centre of Finland
5  *
6  * Contact: VTT Augmented Reality Team <alvar.info@vtt.fi>
7  * <http://www.vtt.fi/multimedia/alvar.html>
8  *
9  * ALVAR is free software; you can redistribute it and/or modify it under the
10  * terms of the GNU Lesser General Public License as published by the Free
11  * Software Foundation; either version 2.1 of the License, or (at your option)
12  * any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but WITHOUT
15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
17  * for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public License
20  * along with ALVAR; if not, see
21  * <http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html>.
22  */
23 
24 #ifndef _LINE_H
25 #define _LINE_H
26 
33 #include "Alvar.h"
34 #include "Util.h"
35 
36 #include <opencv2/opencv.hpp>
37 
38 namespace alvar {
39 
43 struct ALVAR_EXPORT Line
44 {
49  Line(const cv::Vec4f &params);
50  Line()
51  {
52  }
53 
57  PointDouble c; // center
61  PointDouble s; // direction vector
62 };
63 
71 int ALVAR_EXPORT FitLines(std::vector<Line> & lines,
72  const std::vector<int> & corners,
73  const std::vector<PointInt> &edge);
74 
81 PointDouble ALVAR_EXPORT Intersection(const Line &l1, const Line &l2);
82 
83 } // namespace alvar
84 
85 #endif
This file defines library export definitions, version numbers and build information.
This file implements generic utility functions and a serialization interface.
Main ALVAR namespace.
Definition: Alvar.h:174
int ALVAR_EXPORT FitLines(std::vector< Line > &lines, const std::vector< int > &corners, const std::vector< PointInt > &edge)
Fit lines to vector of points.
ALVAR_EXPORT Point< cv::Point2d > PointDouble
The default double point type.
Definition: Util.h:110
PointDouble ALVAR_EXPORT Intersection(const Line &l1, const Line &l2)
Calculates an intersection point of two lines.
Struct representing a line. The line is parametrized by its center and direction vector.
Definition: Line.h:44
Line(const cv::Vec4f &params)
Constructor.
PointDouble s
Direction vector.
Definition: Line.h:61
PointDouble c
Line center.
Definition: Line.h:57