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Evaluation of interpolating-scheme (such as butterfly) at an arbitrary parameter value

Posted by Jianbing Huang on February 27, 2005 at 13:20:34:

Is there any work on evaluating subdivision surfaces of an interpolating scheme such as butterfly at an arbitrary parameter value? I have seen papers addressing the evaluation issue on approximate schemes such as Catmull-Clark and Loop - is the method on approximating schems just a trivial extension or there exists extra difficulties? Thanks.


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