mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-11 16:49:16 +05:00
100 lines
2.7 KiB
C++
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
|