ProjectCurve.h

//===========================================================================
// GoTools - SINTEF Geometry Tools version 1.1
//
// GoTools module: CORE
//
// 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 _GOPROJECTCURVE_
#define _GOPROJECTCURVE_

#include <boost/smart_ptr.hpp>

#include "Point.h"
#include "EvalCurve.h"
#include "SplineCurve.h"
#include "SplineSurface.h"


namespace Go
{



class ProjectCurve : public EvalCurve
{
public:

    ProjectCurve(boost::shared_ptr<Go::SplineCurve>& space_crv, 
                   boost::shared_ptr<Go::SplineSurface>& surf,
                   boost::shared_ptr<Go::Point>& start_par_pt, 
                   boost::shared_ptr<Go::Point>& end_par_pt,
                   double epsgeo,
                   const RectDomain* domain_of_interest = NULL);

    virtual ~ProjectCurve();
    
    // Inherited from EvalCurve
    virtual Go::Point eval( double t) const;

    // Inherited from EvalCurve
    virtual void eval(double t, int n, Go::Point der[]) const;

    // Inherited from EvalCurve
    virtual double start() const;

    // Inherited from EvalCurve
    virtual double end() const;

    virtual int dim() const;

    virtual bool approximationOK(double par, Go::Point approxpos,
                                 double tol1, double tol2) const; 

private:
    const boost::shared_ptr<Go::SplineCurve> space_crv_;
    const boost::shared_ptr<Go::SplineSurface> surf_;
    const boost::shared_ptr<Go::Point> start_par_pt_; // When projecting end pts may be of special interest.
    const boost::shared_ptr<Go::Point> end_par_pt_;
    const double epsgeo_;
    const RectDomain* domain_of_interest_;

    // Simple function, interpolates and pts.
    std::vector<double> createSeed(double tpar) const;

};


}

#endif //_GOPROJECTCURVE_

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