bezier_s.c File Reference

Functions for Bezier surface computation. More...

#include "mmgs.h"

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Functions
int	MMG5_mmgsBezierCP (MMG5_pMesh mesh, MMG5_Tria *pt, MMG5_pBezier pb, int8_t ori)
int	MMGS_bezierInt (MMG5_pBezier pb, double uv[2], double o[3], double no[3], double to[3])

Variables
int8_t	ddb

Detailed Description

Functions for Bezier surface 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.

Todo:

doxygen documentation.

Function Documentation

MMG5_mmgsBezierCP()

int MMG5_mmgsBezierCP	(	MMG5_pMesh	mesh,
		MMG5_Tria *	pt,
		MMG5_pBezier	pb,
		int8_t	ori
	)

Parameters

mesh	pointer toward the mesh structure.
pt	pointer toward the triangle structure.
pb	pointer toward the computed Bezier structure.
ori	triangle orientation (unused but here for compatibility with the MMG5_bezierCP interface).

Returns

1.

Compute Bezier control points on triangle pt (cf. Vlachos)

Todo:

merge with the MMG5_mmg3dBeizerCP function and remove the pointer toward this functions.

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MMGS_bezierInt()

int MMGS_bezierInt	(	MMG5_pBezier	pb,
		double	uv[2],
		double	o[3],
		double	no[3],
		double	to[3]
	)

Parameters

pb	pointer toward the Bezier structure.
uv	coordinates of the point in the parametric space.
o	computed coordinates of the point in the real space.
no	computed normal.
to	computed tangent.

Returns

1.

Compute o, no and to at in Bezier patch.

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Variable Documentation

ddb

int8_t ddb