SymbSrfDistFindPoints

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

SymbSrfDistFindPoints()  

SYNOPSIS

symb_lib/distance.c:385

CagdPtStruct *SymbSrfDistFindPoints(CagdSrfStruct *Srf,
                                    CagdRType Epsilon,
                                    CagdBType SelfInter)
 

DESCRIPTION

Given a scalar surface representing the distance function square between two curves, finds the zero set of the distance surface, if any, and returns it. The given surface is a non negative surface and zero set is its minima. The returned points will contain the two parameter values of the two curves that intersect in the detected zero set points.  

PARAMETERS:

Srf: A bivariate function that represent the distance square function between two curves.

Epsilon: Accuracy control.

SelfInter: Should we consider self intersection? That is, is Srf computed from a curve to itself!?  

FUNCTION RETURN VALUE

CagdPtStruct *: A list of parameter values of both curves, at all detected intersection locations.  

SEE ALSO

SymbSrfDistCrvCrv, SymvCrvCrvInter,

 

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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