Input / Output Functions. More...

#include "mmgcommon.h"

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Functions
int	MMG5_swapbin (int sbin)

float	MMG5_swapf (float sbin)

double	MMG5_swapd (double sbin)

static int	MMG5_countBinaryElts (FILE *inm, const int nelts, const int iswp, int np, int na, int nt, int nq, int ne, int *npr)

int	MMG5_loadMshMesh_part1 (MMG5_pMesh mesh, const char filename, FILE inm, long posNodes, long posElts, long posNodeData, int bin, int iswp, int nelts, int *nsols)

int	MMG5_check_readedMesh (MMG5_pMesh mesh, int nref)

int	MMG5_loadMshMesh_part2 (MMG5_pMesh mesh, MMG5_pSol sol, FILE inm, const long posNodes, const long posElts, const long posNodeData, const int bin, const int iswp, const int nelts, const int nsols)

void	MMG5_build3DMetric (MMG5_pMesh mesh, MMG5_pSol sol, int ip, double dbuf[6])

int	MMG5_saveMshMesh (MMG5_pMesh mesh, MMG5_pSol sol, const char filename, int metricData)

int	MMG5_loadSolHeader (const char filename, int meshDim, FILE inm, int ver, int bin, int iswp, int np, int dim, int nsols, int type, long posnp, int imprim)

int	MMG5_readFloatSol3D (MMG5_pSol sol, FILE *inm, int bin, int iswp, int pos)

int	MMG5_readDoubleSol3D (MMG5_pSol sol, FILE *inm, int bin, int iswp, int pos)

void	MMG5_writeDoubleSol3D (MMG5_pMesh mesh, MMG5_pSol sol, FILE *inm, int bin, int pos, int metricData)

int	MMG5_saveSolHeader (MMG5_pMesh mesh, const char filename, FILE inm, int ver, int bin, int np, int dim, int nsols, int type, int size)

int	MMG5_chkMetricType (MMG5_pMesh mesh, int type, FILE inm)

void	MMG5_printMetStats (MMG5_pMesh mesh, MMG5_pSol met)

void	MMG5_printSolStats (MMG5_pMesh mesh, MMG5_pSol *sol)

int	MMG5_saveNode (MMG5_pMesh mesh, const char *filename)

int	MMG5_saveEdge (MMG5_pMesh mesh, const char *filename)

Detailed Description

Input / Output Functions.

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

◆ MMG5_build3DMetric()

void MMG5_build3DMetric	(	MMG5_pMesh	mesh,
		MMG5_pSol	sol,
		int	ip,
		double	dbuf[6]
	)

Parameters

mesh	pointer toward the mesh structure
sol	pointer toward the sol structure.
index	of point in which we want to build the metric
dbuf	builded metric

Build the metric at point ip depending with its type (ridge/not ridge).

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◆ MMG5_check_readedMesh()

int MMG5_check_readedMesh	(	MMG5_pMesh	mesh,
		int	nref
	)

Parameters

mesh	pointer toward an Mmg mesh
nref	pointer toward the number of negative refs (replaced by abolute values).

Returns: 1 if success, 0 otherwise

Check the tetra orientation, print warning it negative refs have been detected, mark points as used and remove elt refs in iso mode.

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◆ MMG5_chkMetricType()

int MMG5_chkMetricType	(	MMG5_pMesh	mesh,
		int *	type,
		FILE *	inm
	)

Parameters

mesh	pointer toward the mesh structure.
type	type of the metric
inm	metric file

Returns: 1 if success, -1 if fail

Check if the type of the metric is compatible with the remeshing mode. If not, deallocate the type array and close the metric file.

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◆ MMG5_countBinaryElts()

static int MMG5_countBinaryElts	(	FILE **	inm,
		const int	nelts,
		const int	iswp,
		int *	np,
		int *	na,
		int *	nt,
		int *	nq,
		int *	ne,
		int *	npr
	)

static

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◆ MMG5_loadMshMesh_part1()

int MMG5_loadMshMesh_part1	(	MMG5_pMesh	mesh,
		const char *	filename,
		FILE **	inm,
		long *	posNodes,
		long *	posElts,
		long **	posNodeData,
		int *	bin,
		int *	iswp,
		int *	nelts,
		int *	nsols
	)

Parameters

mesh	pointer toward the mesh
filename	pointer toward the name of file
inm	pointer toward the file pointer
posNodes	pointer toward the position of nodes data in file
posElts	pointer toward the position of elts data in file
posNodeData	pointer toward the list of the positions of data in file
bin	1 if binary format
nelts	number of elements in file
nsol	number of data in file

Returns: 1 if success, 0 if file is not found, -1 if fail.

Begin to read mesh at MSH file format. Read the mesh size informations.

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◆ MMG5_loadMshMesh_part2()

int MMG5_loadMshMesh_part2	(	MMG5_pMesh	mesh,
		MMG5_pSol *	sol,
		FILE **	inm,
		const long	posNodes,
		const long	posElts,
		const long *	posNodeData,
		const int	bin,
		const int	iswp,
		const int	nelts,
		const int	nsols
	)

Parameters

mesh	pointer toward the mesh
sol	pointer toward the solutions array
inm	pointer toward the file pointer
posNodes	position of nodes data in file
posElts	position of elts data in file
posNodeData	position of solution data in file
bin	1 if binary format
nelts	number of elements in file
nsols	number of silutions in file

Returns: 1 if success, 0 if fail.

End to read mesh and solution array at MSH file format after the mesh/solution array alloc.

Second step: read the nodes and elements

Read the solution at nodes

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◆ MMG5_loadSolHeader()

int MMG5_loadSolHeader	(	const char *	filename,
		int	meshDim,
		FILE **	inm,
		int *	ver,
		int *	bin,
		int *	iswp,
		int *	np,
		int *	dim,
		int *	nsols,
		int **	type,
		long *	posnp,
		int	imprim
	)

Parameters

filename	name of file.
meshDim	mesh dimenson.
inm	allocatable pointer toward the FILE structure
ver	file version (1=simple precision, 2=double)
bin	1 if the file is a binary
iswp	1 or 0 depending on the endianness (binary only)
np	number of solutions of each type
dim	solution dimension
nsols	number of solutions of different types in the file
type	type of solutions
posnp	pointer toward the position of the point list in the file
imprim	verbosity

Returns: -1 data invalid or we fail, 0 no file, 1 ok.

Open the "filename" solution file and read the file header.

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◆ MMG5_printMetStats()

void MMG5_printMetStats	(	MMG5_pMesh	mesh,
		MMG5_pSol	met
	)

Parameters

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

print metric statistics

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◆ MMG5_printSolStats()

void MMG5_printSolStats	(	MMG5_pMesh	mesh,
		MMG5_pSol *	sol
	)

Parameters

mesh	pointer toward the mesh structure.
sol	pointer toward the solutions array.

print solutions statistics

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◆ MMG5_readDoubleSol3D()

int MMG5_readDoubleSol3D	(	MMG5_pSol	sol,
		FILE *	inm,
		int	bin,
		int	iswp,
		int	pos
	)

Parameters

sol	pointer toward an allocatable sol structure.
inm	pointer toward the solution file
bin	1 if binary file
iswp	Endianess
index	of the readed solution

Returns: 1 if success, -1 if fail

Read the solution value for vertex of index pos in double precision.

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◆ MMG5_readFloatSol3D()

int MMG5_readFloatSol3D	(	MMG5_pSol	sol,
		FILE *	inm,
		int	bin,
		int	iswp,
		int	pos
	)

Parameters

sol	pointer toward an allocatable sol structure.
inm	pointer toward the solution file
bin	1 if binary file
iswp	Endianess
index	of the readed solution

Returns: 1 if success, -1 if fail

Read the solution value for vertex of index pos in floating precision.

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◆ MMG5_saveEdge()

int MMG5_saveEdge	(	MMG5_pMesh	mesh,
		const char *	filename
	)

Parameters

mesh	pointer toward the mesh structure.
filename	name of file.

Returns: 1 if success, 0 if fail.

Save edge list at .edge file format (Tetgen/Triangle).

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◆ MMG5_saveMshMesh()

int MMG5_saveMshMesh	(	MMG5_pMesh	mesh,
		MMG5_pSol *	sol,
		const char *	filename,
		int	metricData
	)

Parameters

mesh	pointer toward the mesh structure.
sol	pointer toward an array of solutions.
filename	name of file.
metricData	1 if the data saved is a metric (if only 1 data)

Returns: 0 if failed, 1 otherwise.

Write mesh and a list of solutions at MSH file format (.msh extension). Write binary file for .mshb extension.and ASCII for .msh one.

First step: Count the number of elements of each type

Second step: save the elements at following format: "idx type tagNumber tag0 tag1... v0_elt v1_elt..."

Write solution

Save the solution at following format: "idx sol"

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◆ MMG5_saveNode()

int MMG5_saveNode	(	MMG5_pMesh	mesh,
		const char *	filename
	)

Parameters

mesh	pointer toward the mesh structure.
filename	name of file.

Returns: 1 if success, 0 if fail.

Save node list at .node file format (Tetgen/Triangle).

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◆ MMG5_saveSolHeader()

int MMG5_saveSolHeader	(	MMG5_pMesh	mesh,
		const char *	filename,
		FILE **	inm,
		int	ver,
		int *	bin,
		int	np,
		int	dim,
		int	nsols,
		int *	type,
		int *	size
	)

Parameters

mesh	pointer toward the mesh structure.
filename	name of file.
inm	allocatable pointer toward the FILE structure.
ver	file version (1=simple precision, 2=double).
bin	1 if the file is a binary.
np	number of solutions of each type.
dim	solution dimension.
nsols	number of solutions of different types in the file.
type	type of solutions.
size	size of solutions.

Returns: 0 if unable to open the file, 1 if success.

Open the "filename" solution file and read the file header.

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◆ MMG5_swapbin()

int MMG5_swapbin ( int sbin )

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◆ MMG5_swapd()

double MMG5_swapd ( double sbin )

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◆ MMG5_swapf()

float MMG5_swapf ( float sbin )

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◆ MMG5_writeDoubleSol3D()

void MMG5_writeDoubleSol3D	(	MMG5_pMesh	mesh,
		MMG5_pSol	sol,
		FILE *	inm,
		int	bin,
		int	pos,
		int	metricData
	)

Parameters

mesh	pointer toward the mesh structure
sol	pointer toward an allocatable sol structure.
inm	pointer toward the solution file
bin	1 if binary file
pos	of the writted solution
metricData	1 if the data saved is a metric (if only 1 data)

Write the solution value for vertex of index pos in double precision.

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