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Volume.h

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// $Id: Volume.h,v 1.4 2001/09/04 19:27:39 atwood Exp $
//
//

#ifndef GEOMETRY_VOLUME_H
#define GEOMETRY_VOLUME_H

#include "geometry/Shape.h"
#include "geometry/Surface.h"
#include <vector>
typedef std::vector<Surface*> SurfaceList;

class Volume : public  Shape , protected SurfaceList
{
 protected:
   explicit Volume(unsigned n);
   // default constructor (with number of surfaces to allocate), destructor

 public:
      ~Volume();

   virtual double distanceToLeave( const Ray& r, double testDist)const;
   virtual double distanceToEnter( const Ray& r, double testDist)const;

   virtual int inside ( const Point& x ) const;

   GeomObject& transform(const CoordTransform&);

   virtual void printOn( std::ostream& os = std::cout ) const;

   const Surface& surface(int i)const { return *operator[](i); }
   unsigned surfaceCount()const{return size();}
   // public access to surfaces


    virtual int getBoundaryIndex(const Point& p)const;
    // allows client using distanceToLeave to associate an index with a boundary,
    // identified by the point p

    virtual int lastBoundaryIndex()const;
    // distanceToLeave sets index of left boundary: client can use

    double getMaxDimension() const { return max_dimension; }

    // The surface accruacy limit....
    static const double Surface_EPSILON;
    
 protected:
   // following methods accessible to subclasses only
   Surface& surface(int i) { return *operator[](i); }
   void addSurface(Surface* s);
   void deleteSurfaces();

   virtual void calcMaxDimension() { max_dimension = FLT_MAX; }

   // protected data members
   double max_dimension;        // maximum dimension of a Volume

 private:

};

//
// ---------------------- Inlines ----------------------------------
inline std::ostream& operator<<( std::ostream& os, const Volume& v )
 {v.printOn(os); return os; }
inline std::ostream& operator<<( std::ostream& os, const Volume* v )
 {v->printOn(os); return os;}

#endif

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