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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