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Subject: Re: Offset Faces



Abhinav.S.C wrote:

> Given to faces, I want to determine whether they are offset or not? How
> do I go about it?

By specifying more precisely what you have. In what form do you have
those two surfaces? Are they polygons, NURBS patches, analytic
implicit surfaces (quadratic, quadric), discrete implicit surfaces
(i.e. level sets in a volumetric dataset)? Or meshes combined from
some of the above?

Do you want to test for an exact offset property, or is there expected
to be some tolerance, e.g. caused by unavoidable errors in trying to
represent the offset surface in the given input format?

--
Hans-Bernhard Broeker (broeker@physik.rwth-aachen.de)
Even if all the snow were burnt, ashes would remain.

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