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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