tools_3d.c File Reference

Various algorithmic and algebraic tools. More...

#include "mmg3d.h"

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Functions
void	_MMG5_nsort (int n, double *val, char *perm)
int	_MMG5_norface (MMG5_pMesh mesh, int k, int iface, double n[3])
int	_MMG5_directsurfball (MMG5_pMesh mesh, int ip, int *list, int ilist, double n[3])
int	_MMG5_startedgsurfball (MMG5_pMesh mesh, int nump, int numq, int *list, int ilist)
int	_MMG5_BezierRidge (MMG5_pMesh mesh, int ip0, int ip1, double s, double *o, double *no1, double *no2, double *to)
int	_MMG5_BezierRef (MMG5_pMesh mesh, int ip0, int ip1, double s, double *o, double *no, double *to)
int	_MMG5_BezierNom (MMG5_pMesh mesh, int ip0, int ip1, double s, double *o, double *no, double *to)
int	_MMG5_BezierReg (MMG5_pMesh mesh, int ip0, int ip1, double s, double v[3], double *o, double *no)
int	_MMG3D_indElt (MMG5_pMesh mesh, int kel)
int	_MMG3D_indPt (MMG5_pMesh mesh, int kp)
void	_MMG5_printTetra (MMG5_pMesh mesh, char *fileName)
int	_MMG3D_localParamReg (MMG5_pMesh mesh, int ip, int *listv, int ilistv, int *lists, int ilists, double *hausd_ip, double *hmin_ip, double *hmax_ip)
int	_MMG3D_localParamNm (MMG5_pMesh mesh, int iel, int iface, int ia, double *hausd_ip, double *hmin_ip, double *hmax_ip)

Variables
char	ddb

Detailed Description

Various algorithmic and algebraic tools.

Author

Charles Dapogny (UPMC)

Cécile Dobrzynski (Bx INP/Inria/UBordeaux)

Pascal Frey (UPMC)

Algiane Froehly (Inria/UBordeaux)

Version

5

Copyright

GNU Lesser General Public License.

Todo:

Doxygen documentation

Function Documentation

_MMG3D_indElt()

int _MMG3D_indElt	(	MMG5_pMesh	mesh,
		int	kel
	)

find the element number in packed numerotation

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_MMG3D_indPt()

int _MMG3D_indPt	(	MMG5_pMesh	mesh,
		int	kp
	)

find the point number in packed numerotation

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_MMG3D_localParamNm()

int _MMG3D_localParamNm	(	MMG5_pMesh	mesh,
		int	iel,
		int	iface,
		int	ia,
		double *	hausd_ip,
		double *	hmin_ip,
		double *	hmax_ip
	)

Parameters

mesh	pointer toward the mesh structure.
iel	index of tetra in which we work
iface	index of face in iel
ia	index of edge in iel along which we want to compute the local parameters
hausd_ip	pointer toward the local hausdorff parameter to compute
hmin_ip	pointer toward the local minimal edge size to compute
hmax_ip	pointer toward the local maximal edge size to compute

Returns

1 if success, 0 if fail

Compute the local parameters at non manifold point ip.

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_MMG3D_localParamReg()

int _MMG3D_localParamReg	(	MMG5_pMesh	mesh,
		int	ip,
		int *	listv,
		int	ilistv,
		int *	lists,
		int	ilists,
		double *	hausd_ip,
		double *	hmin_ip,
		double *	hmax_ip
	)

Parameters

mesh	pointer toward the mesh structure.
ip	global index of point in which we want to compute the local parameters
listv	pointer toward the ball of ip
ilistv	number of tetra in the ball of ip
lists	pointer toward the surface ball of ip
ilists	number of tetra in the surface ball of ip
hausd_ip	pointer toward the local hausdorff parameter to compute
hmin_ip	pointer toward the local minimal edge size to compute
hmax_ip	pointer toward the local maximal edge size to compute

Returns

1 if success, 0 if fail

Compute the local parameters at point ip (the volume and surface ball of point must be provided).

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_MMG5_BezierNom()

int _MMG5_BezierNom ( MMG5_pMesh  mesh, int  ip0, int  ip1, double  s, double *  o, double *  no, double *  to  )

inline

Compute point located at parameter value step from point ip0, as well as interpolate of normals, tangent for a NOM edge

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_MMG5_BezierRef()

int _MMG5_BezierRef ( MMG5_pMesh  mesh, int  ip0, int  ip1, double  s, double *  o, double *  no, double *  to  )

inline

Compute point located at parameter value step from point ip0, as well as interpolate of normals, tangent for a REF edge

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_MMG5_BezierReg()

int _MMG5_BezierReg ( MMG5_pMesh  mesh, int  ip0, int  ip1, double  s, double  v[3], double *  o, double *  no  )

inline

Compute point located at parameter value step from point ip0, as well as interpolate of normals, tangent for a regular edge ; v = ref vector (normal) for choice of normals if need be

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_MMG5_BezierRidge()

int _MMG5_BezierRidge ( MMG5_pMesh  mesh, int  ip0, int  ip1, double  s, double *  o, double *  no1, double *  no2, double *  to  )

inline

Compute point located at parameter value step from point ip0, as well as interpolate of normals, tangent for a RIDGE edge

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_MMG5_directsurfball()

int _MMG5_directsurfball ( MMG5_pMesh  mesh, int  ip, int *  list, int  ilist, double  n[3]  )

inline

If need be, invert the travelling sense of surfacic ball so that it is travelled in the direct sense with respect to direction n anchored at point ip (ip = global num.): return 2 = orientation reversed, 1 otherwise

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_MMG5_norface()

int _MMG5_norface ( MMG5_pMesh  mesh, int  k, int  iface, double  n[3]  )

inline

Compute normal to face iface of tetra k, exterior to tetra k

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_MMG5_nsort()

void _MMG5_nsort ( int  n, double *  val, char *  perm  )

inline

naive (increasing) sorting algorithm, for very small tabs ; permutation is stored in perm

_MMG5_printTetra()

void _MMG5_printTetra	(	MMG5_pMesh	mesh,
		char *	fileName
	)

Debug function (not use in clean code): print mesh->tetra structure

_MMG5_startedgsurfball()

int _MMG5_startedgsurfball	(	MMG5_pMesh	mesh,
		int	nump,
		int	numq,
		int *	list,
		int	ilist
	)

If need be, reorder the surfacic ball of point ip, so that its first element has edge (p,q) (nump,q = global num) as edge _MMG5_iprv2[ip] of face iface. return 2 = orientation reversed, 1 otherwise

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Variable Documentation

ddb

char ddb