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// -*- C++ -*-
// -------------------------------------------------------------------
// MAdLib - Copyright (C) 2008-2009 Universite catholique de Louvain
//
// See the Copyright.txt and License.txt files for license information.
// You should have received a copy of these files along with MAdLib.
// If not, see <http://www.madlib.be/license/>
//
// Please report all bugs and problems to <contrib@madlib.be>
//
// Authors: Jean-Francois Remacle, Gaetan Compere
// -------------------------------------------------------------------
#ifndef _H_MAD_GMSHENTITIES
#define _H_MAD_GMSHENTITIES
#ifdef _HAVE_GMSH_
#include "Physical.h"
#include "gmsh/GEntity.h"
#include "gmsh/discreteRegion.h"
#include "gmsh/discreteFace.h"
#include "gmsh/discreteEdge.h"
#include "gmsh/discreteVertex.h"
namespace MAd {
class GmshModel;
class GmshGEntity;
class GmshGRegion;
class GmshGFace;
class GmshGEdge;
class GmshGVertex;
// -------------------------------------------------------------------
class GmshGEntity {
public:
GmshGEntity(GmshModel *m, Physical *p): model(m), phys(p)
{}
GmshGEntity(const GmshGEntity& ge): model(ge.model),phys(ge.phys)
{}
virtual ~GmshGEntity()
{}
void setPhysical(int d, int t);
virtual int dim() const=0; // to make it pure virtual (GC)
virtual int tag() const=0;
int pDim() const { if(phys) {return phys->dim();} else {return -1;} }
int pTag() const { if(phys) {return phys->tag();} else {return 0;} }
protected:
GmshModel * model;
Physical * phys;
};
// -------------------------------------------------------------------
class GmshGEntityLessThan {
public:
bool operator()(const GmshGEntity *ent1, const GmshGEntity *ent2) const
{ return ent1->tag() < ent2->tag(); }
};
// -------------------------------------------------------------------
class GmshGRegion : public GmshGEntity {
private:
GRegion * gr;
public:
GmshGRegion(GmshModel& model, int tag, Physical *_p=NULL);
GmshGRegion(const GmshGRegion& ggr);
virtual ~GmshGRegion();
int dim() const { return 3; }
virtual int tag() const { return gr->tag(); }
std::list<GmshGFace *> faces() const;
};
// -------------------------------------------------------------------
class GmshGFace : public GmshGEntity {
private:
GFace * gf;
public:
GmshGFace(GmshModel& model, int tag, Physical *_p=NULL);
GmshGFace(const GmshGFace& ggf);
virtual ~GmshGFace();
int dim() const { return 2; }
virtual int tag() const { return gf->tag(); }
GFace * getGFace() const { return gf; }
int numRegions() const { return gf->numRegions(); }
std::list<GmshGEdge*> edges() const;
// compute the parameters UV from a point XYZ
void XYZtoUV(const double X, const double Y, const double Z,
double &U, double &V, const double relax,
const bool onSurface=true) const
{ gf->XYZtoUV(X,Y,Z,U,V,relax,onSurface); }
// return the point on the face corresponding to the given parameter
GPoint point(double par1, double par2) const;
// compute the min and max curvatures and the corresponding directions
// return the max curvature
// outputs have to be allocated before calling this function
double curvatures(const SPoint2 ¶m, SVector3 *dirMax, SVector3 *dirMin,
double *curvMax, double *curvMin) const;
// return the curvature computed as the divergence of the normal
double curvatureDiv(const SPoint2 ¶m) const;
// compute, in parametric space, the interpolation from pt1 to pt2
// along a geodesic of the surface
SPoint2 geodesic(const SPoint2 &pt1, const SPoint2 &pt2, double t);
};
// -------------------------------------------------------------------
class GmshGEdge : public GmshGEntity {
private:
GEdge * ge;
public:
GmshGEdge(GmshModel& model, int tag, Physical *_p=NULL);
GmshGEdge(const GmshGEdge& gge);
virtual ~GmshGEdge();
int dim() const { return 1; }
virtual int tag() const { return ge->tag(); }
std::list<GmshGVertex *> vertices() const;
GmshGVertex *getBeginVertex() const;
GmshGVertex *getEndVertex() const;
// reparamaterize the point onto the given face
SPoint2 reparamOnFace(const GmshGFace *face, double epar, int dir) const;
// get bounds of parametric coordinate
Range<double> parBounds(int i) const;
// get the curvature
double curvature(double par) const;
// true if the edge is a seam for the given face.
bool isSeam(const GmshGFace *face) const;
// get the point for the given parameter location
GPoint point(double p) const;
};
// -------------------------------------------------------------------
class GmshGVertex : public GmshGEntity {
private:
GVertex * gv;
public:
GmshGVertex(GmshModel& model, int tag, Physical *_p=NULL);
GmshGVertex(const GmshGVertex& ggv);
virtual ~GmshGVertex();
int dim() const { return 0; }
virtual int tag() const { return gv->tag(); }
// get the edges that this vertex bounds
std::list<GmshGEdge*> edges() const;
SPoint2 reparamOnFace(const GmshGFace *gf, int i) const;
// return true if this vertex is on a seam of the given face
bool isOnSeam(const GmshGFace *gf) const;
};
// -------------------------------------------------------------------
typedef class GmshGEntity MAdGEntity;
typedef class GmshGEntityLessThan MAdGEntityLessThan;
typedef class GmshGRegion MAdGRegion;
typedef class GmshGFace MAdGFace;
typedef class GmshGEdge MAdGEdge;
typedef class GmshGVertex MAdGVertex;
// -------------------------------------------------------------------
}
#endif
#endif
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