ParamObjectInt.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 _PARAMOBJECTINT_H
#define _PARAMOBJECTINT_H


#include "GeomObjectInt.h"
#include "Point.h"
#include <vector>


namespace Go {



class CompositeBox;
class ParamPointInt;
class ParamCurveInt;
class ParamSurfaceInt;



class ParamObjectInt : public GeomObjectInt {
public:
    ParamObjectInt(ParamObjectInt* parent = 0) : parent_(parent) {}
    
    virtual ~ParamObjectInt() {}
    
    virtual ParamPointInt* getParamPointInt()
    { return 0; }

    virtual ParamCurveInt* getParamCurveInt()
    { return 0; }

    virtual ParamSurfaceInt* getParamSurfaceInt()
    { return 0; }

    virtual void point(Point& pt, const double* tpar) const = 0;

    virtual void point(std::vector<Point>& pt, 
                       const double* tpar, 
                       int derivs,  
                       const bool* from_right = 0,
                       double resolution = 1.0e-12) const = 0;

    virtual int numParams() const = 0;

    virtual void getLengthAndWiggle(double *length, double *wiggle) = 0;

    virtual bool hasInnerKnots(int pardir) const = 0;

    virtual bool hasCriticalVals(int pardir) const = 0;

    virtual void setCriticalVal(int pardir, double par) 
        {;}  // Currently no action

    virtual bool hasCriticalValsOrKnots(int pardir) const = 0;

    virtual bool canDivide(int pardir) = 0;

    virtual bool canDivideTinyTriang(int pardir)
        { return true;  // Mostly not an issule 
        }

    virtual std::vector<double> getCriticalVals(int pardir) const = 0;

    virtual std::vector<double> getInnerKnotVals(int pardir,
                                                 bool sort=false) const = 0;

    virtual std::vector<double> getCriticalValsAndKnots(int pardir) const = 0;

    virtual double startParam(int pardir) const = 0;

    virtual double endParam(int pardir) const = 0;

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

    virtual bool boundaryPoint(const double* par, double eps) const = 0;

    void setParent(ParamObjectInt* parent)
    { parent_ = parent; }

    ParamObjectInt* getParent() const 
    { return parent_; }

    virtual CompositeBox compositeBox() const = 0;

    const ParamObjectInt* getSameTypeAncestor() const
    {
        if (parent_ && (parent_->numParams() == numParams())) {
            return parent_->getSameTypeAncestor();
        } else {
            return this;
        }
    }

    virtual bool inCorner(const double *par, double epspar) const
        {
            return false;  // Relevant for surfaces and overriden for those
        }

protected:

    ParamObjectInt* parent_;

};


} // namespace Go


#endif // _PARAMOBJECTINT_H

---