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
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- DESCRIPTION
-
- PARAMETERS:
-
- FUNCTION RETURN VALUE
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- SEE ALSO
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- ORIGIN
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