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
ORIGIN

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