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Manipulating surfaces differentially

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journal contribution
posted on 01.06.1987, 00:00 by William Welch, Michael Gleicher, Andrew Paul. Witkin
Abstract: "We want to create interactive surface design systems which provide intuitive interfaces to parametric surface representations. In this paper, we show how the technique of Differential Manipulation can be used in constructing such interfaces. It allows surface manipulation issues to be treated separately from surface representation issues. Arbitrary differentiable functions of representation parameters can be used to control the surface. Constraint and optimization techniques can be used to enhance interaction and control many surface degrees of freedom at once. We provide examples of the technique's use in our interactive surface modeling program."




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