ParamPointInt.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,                                           
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//
// 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 _PARAMPOINTINT_H
#define _PARAMPOINTINT_H


#include "ParamGeomInt.h"
#include "Values.h"


namespace Go {



class RotatedBox;



class ParamPointInt : public ParamGeomInt {
public:
    explicit ParamPointInt(boost::shared_ptr<Point> point,
                           ParamGeomInt* parent = 0);

    virtual ~ParamPointInt() {};

    virtual void point(Point& pt, const double* tpar) const
    { pt = *(point_.get()); }

    virtual void point(std::vector<Point>& pt, 
                       const double* tpar, 
                       int derivs,  
                       const bool* from_right = 0,
                       double resolution = 1.0e-12) const
    {
        DEBUG_ERROR_IF(derivs != 0,
                       "Asked for derivatives of a standalone point.");
        pt.resize(1);
        pt[0] = *(point_.get());
    }

    virtual ParamPointInt* getParamPointInt()
    { return this; }

    virtual int numParams() const
    { return 0; }

        
    virtual void getLengthAndWiggle(double *length, double *wiggle) {}

    virtual bool hasInnerKnots(int pardir) const
    { return false;  }

    virtual bool hasCriticalVals(int pardir) const
    { return false; }

    virtual bool hasCriticalValsOrKnots(int pardir) const
    { return false; }

    virtual bool canDivide(int pardir)
    { return false; }

    virtual std::vector<double> getCriticalVals(int pardir) const
    {
        std::vector<double> seg;
        return seg;
    }

    virtual std::vector<double> getInnerKnotVals(int pardir, 
                                                 bool sort=false) const
    {
        std::vector<double> knots;
        return knots;
    }

    virtual std::vector<double> getCriticalValsAndKnots(int pardir) const
    {
        std::vector<double> vals;
        return vals;
    }

    virtual int getMeshSize(int dir)
    { return 1; }  // The point itself

    virtual double paramFromMesh(int dir, int idx)
    { return 0.0; }  // Arbitrary

    virtual std::vector<double>::iterator getMesh()
    { return coords_.begin(); }

    virtual double startParam(int pardir) const
    { return 0.0; }

    virtual double endParam(int pardir) const
    { return 0.0; }

    virtual bool boundaryPoint(const double* par, double eps) const 
    { return true; }

    virtual void 
    subdivide(int pardir, double par, 
              std::vector<boost::shared_ptr<ParamGeomInt> >& subdiv_objs,
              std::vector<boost::shared_ptr<ParamGeomInt> >& bd_objs) {}

    virtual CompositeBox compositeBox() const;

    virtual DirectionCone directionCone() const;

    virtual void 
    getBoundaryObjects(std::vector<boost::
                       shared_ptr<BoundaryGeomInt> >& bd_objs);
       
    virtual int dimension() const
    { return dim_; }

    virtual bool isDegenerate(double epsge, int dir, double *par)
    { return false; }

    virtual bool isSpline()
    { return false; }

    virtual double getOptimizedConeAngle(Point& axis1, Point& axis2)
    { return M_PI; }

    RotatedBox getRotatedBox(std::vector<Point>& axis) const;

protected:
    // Data members

    boost::shared_ptr<Point> point_;

    int dim_; // Space dimension.

    ParamCurveInt *parentcurve_;

    mutable std::vector<double> coords_;

};


} // namespace Go


#endif // _PARAMPOINTINT_H

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