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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