CagdCrvTangent

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

CagdCrvTangent()  

SYNOPSIS

cagd_lib/cagd_aux.c:954

CagdVecStruct *CagdCrvTangent(CagdCrvStruct *Crv, CagdRType t)
 

DESCRIPTION

Given a curve Crv and a parameter value t, returns the unit tangent direction of Crv at t.  

PARAMETERS:

Crv: To compute unit tangent vector for.

t: Location where to evaluate the tangent of Crv.  

FUNCTION RETURN VALUE

CagdVecStruct *: A pointer to a static vector holding the unit tanegnt information.

 

ORIGIN

(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT


 

Index

NAME
SYNOPSIS
DESCRIPTION
PARAMETERS:
FUNCTION RETURN VALUE
ORIGIN

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