/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/***************************************************************************
* Conic.h
*
* Thu Jun 29 22:12:19 2006
* Copyright 2006 N. Sharjith
* sharjith@gmail.com
****************************************************************************/
#ifndef _CONIC_H
#define _CONIC_H
#include "VKGeom.h"
#include "Curve.h"
#include "AxisSystem.h"
class CPoint3D;
//Abstract Base Class For Circle, Ellipse, Parabola and Hyperbola
class VKGEOM_API CConic : public CCurve
{
public:
CConic();
virtual ~CConic();
virtual void Reverse();
void SetLocation(const CAxisSystem& ax);
virtual CPoint3D PointAtPara(const double& para) = 0;
virtual double FirstParameter() const = 0;
virtual double LastParameter() const = 0;
virtual double Eccentricity() const = 0;
virtual bool IsClosed() const = 0;
virtual CCurve* Copy() const = 0;
protected:
CAxisSystem itsLocation;
};
#endif /* _CONIC_H */