TrivBzrTVDerive
Section: C Library Functions (3)
Updated: IRIT Version 6.0
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NAME
TrivBzrTVDerive()
SYNOPSIS
triv_lib/triv_der.c:66
TrivTVStruct *TrivBzrTVDerive(TrivTVStruct *TV, TrivTVDirType Dir)
DESCRIPTION
Given a Bezier trivariate, computes its partial derivative trivariate in
direction Dir.
Let old control polygon be P(i), i = 0 to k-1, and Q(i) be new one then:
Q(i) = (k - 1) * (P(i+1) - P(i)), i = 0 to k-2.
PARAMETERS:
TV: Trivariate to differentiate.
Dir: Direction of differentiation. Either U or V or W.
FUNCTION RETURN VALUE
TrivTVStruct *: Differentiated trivariate in direction Dir. A Bezier
trivariate.
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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