netgen/libsrc/csg/polyhedra.hpp
Joachim Schoeberl 310cb00b13 autotools
2009-01-12 23:40:13 +00:00

100 lines
2.7 KiB
C++

#ifndef FILE_POLYHEDRA
#define FILE_POLYHEDRA
/**************************************************************************/
/* File: polyhedra.hh */
/* Author: Joachim Schoeberl */
/* Date: 19. Mar. 2000 */
/**************************************************************************/
/*
Polyhedral primitive
*/
class Polyhedra : public Primitive
{
class Face {
public:
int pnums[3];
int planenr;
int inputnr;
Box<3> bbox;
// Point<3> center;
Vec<3> v1, v2; // edges
Vec<3> w1, w2; // pseudo-inverse
Vec<3> n; // normal to face
Vec<3> nn; // normed normal
Face () { ; }
Face (int pi1, int pi2, int pi3,
const ARRAY<Point<3> > & points,
int ainputnr);
};
ARRAY<Point<3> > points;
ARRAY<Face> faces;
ARRAY<Plane*> planes;
Box<3> poly_bbox;
double eps_base1;
public:
Polyhedra ();
virtual ~Polyhedra ();
static Primitive * CreateDefault ();
virtual INSOLID_TYPE BoxInSolid (const BoxSphere<3> & box) const;
virtual INSOLID_TYPE PointInSolid (const Point<3> & p,
double eps) const;
virtual INSOLID_TYPE VecInSolid (const Point<3> & p,
const Vec<3> & v,
double eps) const;
// checks if lim s->0 lim t->0 p + t(v1 + s v2) in solid
virtual INSOLID_TYPE VecInSolid2 (const Point<3> & p,
const Vec<3> & v1,
const Vec<3> & v2,
double eps) const;
virtual void GetTangentialSurfaceIndices (const Point<3> & p,
ARRAY<int> & surfind, double eps) const;
virtual void GetTangentialVecSurfaceIndices2 (const Point<3> & p, const Vec<3> & v1, const Vec<3> & v2,
ARRAY<int> & surfind, double eps) const;
virtual void CalcSpecialPoints (ARRAY<Point<3> > & pts) const;
virtual void AnalyzeSpecialPoint (const Point<3> & pt,
ARRAY<Point<3> > & specpts) const;
virtual Vec<3> SpecialPointTangentialVector (const Point<3> & p, int s1, int s2) const;
virtual int GetNSurfaces() const
{ return planes.Size(); }
virtual Surface & GetSurface (int i)
{ return *planes[i]; }
virtual const Surface & GetSurface (int i) const
{ return *planes[i]; }
virtual void GetPrimitiveData (const char *& classname, ARRAY<double> & coeffs) const;
virtual void SetPrimitiveData (ARRAY<double> & coeffs);
virtual void Reduce (const BoxSphere<3> & box);
virtual void UnReduce ();
int AddPoint (const Point<3> & p);
int AddFace (int pi1, int pi2, int pi3, int inputnum);
void GetPolySurfs(ARRAY < ARRAY<int> * > & polysurfs);
protected:
int FaceBoxIntersection (int fnr, const BoxSphere<3> & box) const;
// void CalcData();
};
#endif