SphereInt.h

//===========================================================================
// GoTools - SINTEF Geometry Tools
//
// GoTools module: Intersections, version 1.0
//
// Copyright (C) 2000-2007 SINTEF ICT, Applied Mathematics, Norway.
//
// 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 version 2 of the License. 
//
// 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.                                           
//
// Contact information: E-mail: tor.dokken@sintef.no                      
// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
//
// Other licenses are also available for this software, notably licenses
// for:
// - Building commercial software.                                        
// - Building software whose source code you wish to keep private.        
//===========================================================================
#ifndef _SPHEREINT_H
#define _SPHEREINT_H


#include "AlgObj3DInt.h"
#include "Point.h"


namespace Go {



class SplineSurface;



class SphereInt : public AlgObj3DInt {
public:
    SphereInt();

    SphereInt(Point center, double radius);

    virtual ~SphereInt();

    void read(std::istream& is);

    Point center() const;

    double radius() const;

    SplineSurface* surface() const;

private:

    Point center_; // 3D ref point (x_0, y_0, z_0).
    double radius_; // (x-x0)^2 + (y-y0)^2 + (z-z0)^2 = radius_^2

};


} // namespace Go


#endif // _SPHEREINT_H

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