Various algorithmic and algebraic tools. More...

#include "libmmg3d.h"
#include "libmmg3d_private.h"

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Functions
int	MMG5_isbr (MMG5_pMesh mesh, MMG5_int ref)

int	MMG5_norface (MMG5_pMesh mesh, MMG5_int k, int iface, double n[3])

int	MMG5_directsurfball (MMG5_pMesh mesh, MMG5_int ip, MMG5_int *list, int ilist, double n[3])

int	MMG5_startedgsurfball (MMG5_pMesh mesh, MMG5_int nump, MMG5_int numq, MMG5_int *list, int ilist)

int	MMG5_BezierRidge (MMG5_pMesh mesh, MMG5_int ip0, MMG5_int ip1, double s, double o, double no1, double no2, double to)

int	MMG5_BezierRef (MMG5_pMesh mesh, MMG5_int ip0, MMG5_int ip1, double s, double o, double no, double *to)

int	MMG5_BezierNom (MMG5_pMesh mesh, MMG5_int ip0, MMG5_int ip1, double s, double o, double no, double *to)

int	MMG5_BezierReg (MMG5_pMesh mesh, MMG5_int ip0, MMG5_int ip1, double s, double v[3], double o, double no)

MMG5_int	MMG3D_indElt (MMG5_pMesh mesh, MMG5_int kel)

MMG5_int	MMG3D_indPt (MMG5_pMesh mesh, MMG5_int kp)

void	MMG5_printTetra (MMG5_pMesh mesh, char *fileName)

int	MMG3D_localParamReg (MMG5_pMesh mesh, MMG5_int ip, int64_t listv, int ilistv, MMG5_int lists, int ilists, double hausd_ip, double hmin_ip, double *hmax_ip)

int	MMG3D_localParamNm (MMG5_pMesh mesh, MMG5_int iel, int iface, int ia, double hausd_ip, double hmin_ip, double *hmax_ip)

static void	MMG3D_mark_usedVertices (MMG5_pMesh mesh)

static void	MMG3D_keep_subdomainElts (MMG5_pMesh mesh, int nsd)

void	MMG3D_keep_only1Subdomain (MMG5_pMesh mesh, int nsd)

Variables
int8_t	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

Definition in file tools_3d.c.

Function Documentation

◆ MMG3D_indElt()

MMG5_int MMG3D_indElt	(	MMG5_pMesh	mesh,
		MMG5_int	kel
	)

find the element number in packed numerotation

Definition at line 862 of file tools_3d.c.

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◆ MMG3D_indPt()

MMG5_int MMG3D_indPt	(	MMG5_pMesh	mesh,
		MMG5_int	kp
	)

find the point number in packed numerotation

Definition at line 918 of file tools_3d.c.

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◆ MMG3D_keep_only1Subdomain()

void MMG3D_keep_only1Subdomain	(	MMG5_pMesh	mesh,
		int	nsd
	)

Parameters

mesh	pointer to the mesh structure.
nsd	index of subdomain to keep.

Keep only subdomain of index nsd and remove other subdomains.

Definition at line 1393 of file tools_3d.c.

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◆ MMG3D_keep_subdomainElts()

static void MMG3D_keep_subdomainElts	(	MMG5_pMesh	mesh,
		int	nsd
	)

static

Parameters

mesh	pointer to the mesh structure.
nsd	subdomain index.

Remove tetra that do not belong to subdomain of index nsd

Definition at line 1344 of file tools_3d.c.

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◆ MMG3D_localParamNm()

int MMG3D_localParamNm	(	MMG5_pMesh	mesh,
		MMG5_int	iel,
		int	iface,
		int	ia,
		double *	hausd_ip,
		double *	hmin_ip,
		double *	hmax_ip
	)

Parameters

mesh	pointer to 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 to the local hausdorff parameter to compute
hmin_ip	pointer to the local minimal edge size to compute
hmax_ip	pointer to the local maximal edge size to compute

Returns: 1 if success, 0 if fail

Compute the local parameters at non manifold point ip.

Definition at line 1145 of file tools_3d.c.

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◆ MMG3D_localParamReg()

int MMG3D_localParamReg	(	MMG5_pMesh	mesh,
		MMG5_int	ip,
		int64_t *	listv,
		int	ilistv,
		MMG5_int *	lists,
		int	ilists,
		double *	hausd_ip,
		double *	hmin_ip,
		double *	hmax_ip
	)

Parameters

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

Definition at line 1025 of file tools_3d.c.

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◆ MMG3D_mark_usedVertices()

static void MMG3D_mark_usedVertices ( MMG5_pMesh mesh )

inlinestatic

Parameters

mesh	pointer to the mesh structure.

Mark the mesh vertices that belong to triangles or quadrangles as used (for Mmgs or Mmg2d).

Definition at line 1291 of file tools_3d.c.

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◆ MMG5_BezierNom()

int MMG5_BezierNom	(	MMG5_pMesh	mesh,
		MMG5_int	ip0,
		MMG5_int	ip1,
		double	s,
		double *	o,
		double *	no,
		double *	to
	)

inline

Parameters

mesh	mesh
ip0	first edge extremity
ip1	second edge extremity
s	parameter value
o	point coordinates
no	normal at point o (to fill)
to	tangent at point o along edge ip0 ip1 (to fill)

Returns: 0 if fail, 1 otherwise

Warning: return 1 without filling no if the edge has 2 singular extremities.

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

Definition at line 527 of file tools_3d.c.

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◆ MMG5_BezierRef()

int MMG5_BezierRef	(	MMG5_pMesh	mesh,
		MMG5_int	ip0,
		MMG5_int	ip1,
		double	s,
		double *	o,
		double *	no,
		double *	to
	)

inline

Parameters

mesh	mesh
ip0	first edge extremity
ip1	second edge extremity
s	parameter value
o	point coordinates
no	normal at point o (to fill)
to	tangent at point o (to fill)

Returns: 0 if fail, 1 otherwise

Warning: return 1 without filling no if the edge has 2 singular extremities.

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

Definition at line 352 of file tools_3d.c.

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◆ MMG5_BezierReg()

int MMG5_BezierReg	(	MMG5_pMesh	mesh,
		MMG5_int	ip0,
		MMG5_int	ip1,
		double	s,
		double	v[3],
		double *	o,
		double *	no
	)

inline

Parameters

mesh	mesh
ip0	first edge extremity
ip1	second edge extremity
s	parameter value
v	reference normal
o	point coordinates
no	normal at point o (to fill)

Returns: 0 if fail, 1 otherwise

Warning: return 1 without filling no if the edge has 2 singular extremities.

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

Definition at line 696 of file tools_3d.c.

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◆ MMG5_BezierRidge()

int MMG5_BezierRidge	(	MMG5_pMesh	mesh,
		MMG5_int	ip0,
		MMG5_int	ip1,
		double	s,
		double *	o,
		double *	no1,
		double *	no2,
		double *	to
	)

inline

Parameters

mesh	mesh
ip0	first edge extremity
ip1	second edge extremity
s	parameter value
o	point coordinates
no1	normal at point o (to fill)
no2	normal at point o (to fill)
to	tangent at point o (to fill)

Returns: 0 if fail, 1 otherwise

Warning: return 1 without filling no1 and no2 if the edge has 2 singular extremities.

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

Definition at line 145 of file tools_3d.c.

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◆ MMG5_directsurfball()

int MMG5_directsurfball	(	MMG5_pMesh	mesh,
		MMG5_int	ip,
		MMG5_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

Definition at line 66 of file tools_3d.c.

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◆ MMG5_isbr()

int MMG5_isbr	(	MMG5_pMesh	mesh,
		MMG5_int	ref
	)

Return 1 if reference ref is in the br table, 0 otherwise

Definition at line 42 of file tools_3d.c.

◆ MMG5_norface()

int MMG5_norface	(	MMG5_pMesh	mesh,
		MMG5_int	k,
		int	iface,
		double	n[3]
	)

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

Definition at line 52 of file tools_3d.c.

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◆ MMG5_printTetra()

void MMG5_printTetra	(	MMG5_pMesh	mesh,
		char *	fileName
	)

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

Definition at line 975 of file tools_3d.c.

◆ MMG5_startedgsurfball()

int MMG5_startedgsurfball	(	MMG5_pMesh	mesh,
		MMG5_int	nump,
		MMG5_int	numq,
		MMG5_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

Definition at line 91 of file tools_3d.c.

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Variable Documentation

◆ ddb

int8_t ddb

extern

Definition at line 42 of file mmg3d1_delone.c.

Functions

Variables

Detailed Description

Function Documentation

◆ MMG3D_indElt()

◆ MMG3D_indPt()

◆ MMG3D_keep_only1Subdomain()

◆ MMG3D_keep_subdomainElts()

◆ MMG3D_localParamNm()

◆ MMG3D_localParamReg()

◆ MMG3D_mark_usedVertices()

◆ MMG5_BezierNom()

◆ MMG5_BezierRef()

◆ MMG5_BezierReg()

◆ MMG5_BezierRidge()

◆ MMG5_directsurfball()

◆ MMG5_isbr()

◆ MMG5_norface()

◆ MMG5_printTetra()

◆ MMG5_startedgsurfball()

Variable Documentation

◆ ddb