BspCrvCreatePCircle
Section: C Library Functions (3)
Updated: IRIT Version 6.0
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NAME
BspCrvCreatePCircle()
SYNOPSIS
cagd_lib/cagd_arc.c:278
CagdCrvStruct *BspCrvCreatePCircle(CagdPtStruct *Center, CagdRType Radius)
DESCRIPTION
Approximates a circle as a cubic polynomial Bspline curve at the specified
position and radius.
Construct the 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:
Center: Of circle to be created.
Radius: Of circle to be created.
FUNCTION RETURN VALUE
CagdCrvStruct *: A circle approximation centered at Center and radius
Radius that is parallel to the XY plane represented
as a polynomial cubic Bspline curve.
SEE ALSO
BspCrvCreateCircle,
BspCrvCreateUnitCircle,
BspCrvCreateUnitPCircle,
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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