comp.graphics.algorithms

Subject: Re: Visualize curved surface in line mode

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Hans-Bernhard Broeker wrote:

> in such a sketch (as opposed to while actually editing it)? Is
> that a visual clue the viewer really needs, rather than a
> distraction? If it's really curved, it'll look curved without
> needing to be treated specially. Otherwise, making it appear
> curved would be a visual lie.

What I want is to display the actual curvature with as few lines
as possible. So a flat curved patch would be displayed flat. I
want to avoid the usual UV tesselation of the patches.

Wolfgang Draxinger
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