isosiz.c File Reference

Fonctions for isotropic size map computation. More...

#include "mmgcommon.h"

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Functions
double	MMG5_surftri_iso (MMG5_pMesh mesh, MMG5_pSol met, MMG5_pTria ptt)
int	MMG5_defsiz_startingMessage (MMG5_pMesh mesh, MMG5_pSol met, const char *funcname)
void	MMG5_gradation_info (MMG5_pMesh mesh)
int	MMG5_sum_reqEdgeLengthsAtPoint (MMG5_pMesh mesh, MMG5_pSol met, int ip0, int ip1)
int	MMG5_compute_meanMetricAtMarkedPoints_iso (MMG5_pMesh mesh, MMG5_pSol met)
int	MMG5_reset_metricAtReqEdges_surf (MMG5_pMesh mesh, MMG5_pSol met, int8_t ismet)
void	MMG5_mark_pointsOnReqEdge_fromTria (MMG5_pMesh mesh)
int	MMG5_gradsiz_iso (MMG5_pMesh mesh, MMG5_pSol met)
int	MMG5_gradsizreq_iso (MMG5_pMesh mesh, MMG5_pSol met)

Detailed Description

Fonctions for isotropic size map computation.

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

MMG5_compute_meanMetricAtMarkedPoints_iso()

int MMG5_compute_meanMetricAtMarkedPoints_iso	(	MMG5_pMesh	mesh,
		MMG5_pSol	met
	)

Parameters

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

Returns

1 if success, 0 if fail.

Compute the mean metric at mesh points with a non-nul s field. At the beginning, the metric of a given point contains the sum of n metrics and the s field of the point the number of metrics summed in the point. Set the flag of the processed points to 3.

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MMG5_defsiz_startingMessage()

int MMG5_defsiz_startingMessage	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		const char *	funcname
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
funcname	name of the calling function

Returns

1 if success, 0 if fail.

Print that we enter in the defsiz function in high verbosity level and check the hmax value.

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MMG5_gradation_info()

void MMG5_gradation_info

(

MMG5_pMesh

mesh

)

Parameters

mesh	pointer toward the mesh structure.

Print gradation values (depending on the verbosity).

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MMG5_gradsiz_iso()

int MMG5_gradsiz_iso	(	MMG5_pMesh	mesh,
		MMG5_pSol	met
	)

Parameters

mesh	pointer toward the mesh
met	pointer toward the metric

Returns

0 if fail, 1 otherwise

Isotropic mesh gradation routine. The points belonging to a required edge are treated in gradsizreq_iso.

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MMG5_gradsizreq_iso()

int MMG5_gradsizreq_iso	(	MMG5_pMesh	mesh,
		MMG5_pSol	met
	)

Parameters

mesh	pointer toward the mesh
met	pointer toward the metric

Returns

the number of updated metrics.

Isotropic mesh gradation routine. The points belonging to a required entity are treated in gradsizreq_iso.

Mark the edges belonging to a required entity

Update the sizes and mark the treated points

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MMG5_mark_pointsOnReqEdge_fromTria()

void MMG5_mark_pointsOnReqEdge_fromTria

(

MMG5_pMesh

mesh

)

Parameters

mesh	pointer toward the mesh structure.

Set the s field of the points that belongs to a required edge to 1, set it to 0 otherwise.

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MMG5_reset_metricAtReqEdges_surf()

int MMG5_reset_metricAtReqEdges_surf	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		int8_t	ismet
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
ismet	1 if user provided metric

Returns

1 if success, 0 if fail.

For a triangle mesh, process the triangles and set to 0 the metrics at points that are at the extremities of a required edge.

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MMG5_sum_reqEdgeLengthsAtPoint()

int MMG5_sum_reqEdgeLengthsAtPoint	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		int	ip0,
		int	ip1
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
ip0	index of the first edge extremity
ip1	index of the second edge extremity

Returns

1 if success, 0 if fail.

Compute the euclidean length of the edge ip0 ip1, add this length to the metric of the edge extremities and increment the count of times we have processed this extremities.

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MMG5_surftri_iso()

double MMG5_surftri_iso	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		MMG5_pTria	ptt
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the meric structure.
ptt	pointer toward the triangle structure.

Returns

The computed area.

Compute the area of the surface triangle ptt with respect to the isotropic metric met.