BspCrvNoraml
Section: C Library Functions (3)
Updated: IRIT Version 6.0
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NAME
BspCrvNoraml()
SYNOPSIS
cagd_lib/cbsp_aux.c:594
CagdVecStruct *BspCrvNormal(CagdCrvStruct *Crv, CagdRType t)
DESCRIPTION
Returns a unit vector, equal to the normal of Crv at parameter value t.
Algorithm: returns the cross product of the curve tangent and binormal.
PARAMETERS:
Crv: Crv for which to compute a unit normal.
t: The parameter at which to compute the unit normal.
FUNCTION RETURN VALUE
CagdVecStruct *: A pointer to a static vector holding the normal
information.
ORIGIN
(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- PARAMETERS:
-
- FUNCTION RETURN VALUE
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- ORIGIN
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