CagdSrfNormal

Section: C Library Functions (3)
Updated: IRIT Version 6.0
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NAME

CagdSrfNormal()  

SYNOPSIS

cagd_lib/cagd_aux.c:1140

CagdVecStruct *CagdSrfNormal(CagdSrfStruct *Srf, CagdRType u, CagdRType v)
 

DESCRIPTION

Given a surface Srf and a parameter values u, v, returns the unit normal vector of Srf.  

PARAMETERS:

Srf: To compute unit normal vector for.

u, v: Location where to evaluate the normal of Srf.  

FUNCTION RETURN VALUE

CagdVecStruct *: A pointer to a static vector holding the unit normal information.  

SEE ALSO

BzrSrfNormal, BspSrfNormal, SymbSrfNormalSrf, BspSrfMeshNormals,

 

ORIGIN

(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT


 

Index

NAME
SYNOPSIS
DESCRIPTION
PARAMETERS:
FUNCTION RETURN VALUE
SEE ALSO
ORIGIN

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