mmgs1.c File Reference

Perform surface mesh adaptation. More...

#include "mmgs.h"

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Functions
int	MMGS_dichoto (MMG5_pMesh mesh, MMG5_pSol met, int k, int *vx)
int	MMGS_dichoto1b (MMG5_pMesh mesh, MMG5_pSol met, int iel, int ia, int ip)
int	chkedg (MMG5_pMesh mesh, int iel)
static int	swpmsh (MMG5_pMesh mesh, MMG5_pSol met, int8_t typchk)
static int	movtri (MMG5_pMesh mesh, MMG5_pSol met, int maxit)
static int	MMGS_delPatternPts (MMG5_pMesh mesh, MMG5_Hash hash)
static int	anaelt (MMG5_pMesh mesh, MMG5_pSol met, int8_t typchk)
int	chkspl (MMG5_pMesh mesh, MMG5_pSol met, int k, int i)
static int	colelt (MMG5_pMesh mesh, MMG5_pSol met, int8_t typchk)
static int	adpspl (MMG5_pMesh mesh, MMG5_pSol met)
static int	adpcol (MMG5_pMesh mesh, MMG5_pSol met)
static int	adptri (MMG5_pMesh mesh, MMG5_pSol met, int *permNodGlob)
static int	anatri (MMG5_pMesh mesh, MMG5_pSol met, int8_t typchk)
int	MMG5_mmgs1 (MMG5_pMesh mesh, MMG5_pSol met, int *permNodGlob)

Variables
int8_t	ddb

Detailed Description

Perform surface mesh adaptation.

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.

Function Documentation

adpcol()

static int adpcol ( MMG5_pMesh  mesh, MMG5_pSol  met  )

static

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.

Returns

-1 if failed.

number of deleted points.

Collapse edges of length smaller than MMGS_LOPTS.

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adpspl()

static int adpspl ( MMG5_pMesh  mesh, MMG5_pSol  met  )

static

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.

Returns

-1 if failed or number of new points.

Split edges of length bigger than MMGS_LOPTL.

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adptri()

static int adptri ( MMG5_pMesh  mesh, MMG5_pSol  met, int *  permNodGlob  )

static

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anaelt()

static int anaelt ( MMG5_pMesh  mesh, MMG5_pSol  met, int8_t  typchk  )

static

Parameters

mesh	pointer toward the mesh
met	pointer toward the metric
typchk	type of check performed depending on the remeshing step

Returns

-1 if fail, the number of split otherwise

Analyze triangles and split if needed

1. Simulate splitting and delete points leading to invalid configurations

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anatri()

static int anatri ( MMG5_pMesh  mesh, MMG5_pSol  met, int8_t  typchk  )

static

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chkedg()

int chkedg	(	MMG5_pMesh	mesh,
		int	iel
	)

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chkspl()

int chkspl	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		int	k,
		int	i
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
k	index of element to split.
i	index of edge to split.

Returns

-1 if lack of memory, 0 if the edge should not be split and 1 if success.

Check if splitting edge i of element k is ok.

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colelt()

static int colelt ( MMG5_pMesh  mesh, MMG5_pSol  met, int8_t  typchk  )

static

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MMG5_mmgs1()

int MMG5_mmgs1	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		int *	permNodGlob
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
permNodGlob	if provided, strore the global permutation of nodes.

Returns

0 if failed, 1 if success.

Main adaptation routine.

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MMGS_delPatternPts()

static int MMGS_delPatternPts ( MMG5_pMesh  mesh, MMG5_Hash  hash  )

inlinestatic

Parameters

mesh	pointer toward the mesh structure.
hash	pointer toward the hash table of edges.

Returns

0 if failed, 1 if success

Delete the points inserted by pattern if the pattern step fail.

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MMGS_dichoto()

int MMGS_dichoto	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		int	k,
		int *	vx
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
k	element index.
vx	pointer toward table of edges to split.

Returns

1.

Find acceptable position for splitting.

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MMGS_dichoto1b()

int MMGS_dichoto1b	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		int	iel,
		int	ia,
		int	ip
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
iel	index of the starting triangle.
ia	local index of the edge to split in k.
ip	index of the point that we try to create.

Returns

1 if success, 0 otherwise.

Find acceptable position for MMG5_split1b, starting from point ip.

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movtri()

static int movtri ( MMG5_pMesh  mesh, MMG5_pSol  met, int  maxit  )

static

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swpmsh()

static int swpmsh ( MMG5_pMesh  mesh, MMG5_pSol  met, int8_t  typchk  )

static

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Variable Documentation

ddb

int8_t ddb