BspCrvCreateUnitPCircle
Section: C Library Functions (3)
Updated: IRIT Version 6.0
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NAME
BspCrvCreateUnitPCircle()
SYNOPSIS
cagd_lib/cagd_arc.c:215
CagdCrvStruct *BspCrvCreateUnitPCircle(void)
DESCRIPTION
Approximates a unit circle as a cubic polynomial Bspline curve.
Construct a circle as four 90 degrees arcs of polynomial cubic Bezier
segments using predefined constants.
See Faux & Pratt "Computational Geometry for Design and Manufacturing"
for a polynomial approximation to a circle.
PARAMETERS:
None:
FUNCTION RETURN VALUE
CagdCrvStruct *: A cubic polynomial Bspline curve approximating a unit
circle
SEE ALSO
BspCrvCreateCircle,
BspCrvCreateUnitCircle,
BspCrvCreatePCircle,
ORIGIN
(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- PARAMETERS:
-
- FUNCTION RETURN VALUE
-
- SEE ALSO
-
- ORIGIN
-
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