SymbNormalConeForSrf

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

SymbNormalConeForSrf()  

SYNOPSIS

symb_lib/nrmlcone.c:31

SymbNormalConeStruct *SymbNormalConeForSrf(CagdSrfStruct *Srf)
 

DESCRIPTION

Computes a normal cone for a given surface, by computing the normal field of the surface and deriving the angular span of this normal field by testing the angular span of all control vector in the normal field. A normal field is searched for as "_NormalSrf" attribute in Srf or computed locally of no such attribute is found.  

PARAMETERS:

Srf: To compute a normal cone for.  

FUNCTION RETURN VALUE

SymbNormalConeStruct *: The computed normal cone.  

SEE ALSO

SymbNormalConeOverlap,

 

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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