/usr/include/x86_64-linux-gnu/visp3/core/vpTriangle.h is in libvisp-core-dev 3.0.0-4.
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*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2015 by Inria. All rights reserved.
*
* This software is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact Inria about acquiring a ViSP Professional
* Edition License.
*
* See http://visp.inria.fr for more information.
*
* This software was developed at:
* Inria Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
*
* If you have questions regarding the use of this file, please contact
* Inria at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Description:
* Defines a 2D triangle.
*
* Author:
* Amaury Dame
* Nicolas Melchior
*
*****************************************************************************/
#ifndef vpTriangle_h
#define vpTriangle_h
/*!
\class vpTriangle
\ingroup group_core_geometry
\brief Defines a 2D triangle.
A triangle is internally represented by three 2D points.
By default the three coordinates in the \f$ (i,j) \f$ frame (see vpImagePoint class documentation for more details about the frame.) are \f$ (0,0) \f$, \f$ (1,0) \f$ and \f$ (0,1) \f$.
*/
#include <visp3/core/vpImagePoint.h>
#include <visp3/core/vpMatrix.h>
class VISP_EXPORT vpTriangle
{
private:
bool goodTriange;
vpImagePoint S1;
double uvinv00;
double uvinv01;
double uvinv10;
double uvinv11;
double ptempo0;
double ptempo1;
double area;
vpImagePoint apex1;
vpImagePoint apex2;
vpImagePoint apex3;
public:
vpTriangle();
vpTriangle(const vpTriangle &tri);
virtual ~vpTriangle();
vpTriangle &operator=(const vpTriangle& tri);
vpTriangle(const vpImagePoint &iP1, const vpImagePoint &iP2, const vpImagePoint &iP3);
void buildFrom(const vpImagePoint &iP1, const vpImagePoint &iP2, const vpImagePoint &iP3);
bool inTriangle(const vpImagePoint &iP, double threshold = 0.00001);
/*!
Get the apexes of the triangle.
\param iP1 : first apex.
\param iP2 : second apex.
\param iP3 : third apex.
*/
void getTriangleApexes(vpImagePoint &iP1, vpImagePoint &iP2, vpImagePoint &iP3) const {
iP1 = apex1;
iP2 = apex2;
iP3 = apex3;}
/*!
Return the area of the triangle.
The area is computed when the triangle is built from three image points.
\return The area of the triangle.
*/
inline double getArea() const{
return this->area;
}
private:
void init(const vpImagePoint &iP1, const vpImagePoint &iP2, const vpImagePoint &iP3);
};
#endif
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