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Swirling-Sweepers: Constant-Volume Modeling
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Alexis Angelidis, Marie-Paule Cani, Geoff Wyvill, Scott King
Best paper award at Pacific Graphics'04
Swirling-sweepers is a new method for modeling shapes while preserving
volume. The artist describes a deformation by dragging a point along a
path. The method is independent of the geometric representation of
the shape. It preserves volume and avoids self-intersections, both
local and global. It is capable of unlimited stretching and the
deformation can be constrained to affect only a part of the model.
We argue that all of these properties are necessary for interactive
modeling if the user is to have the impression that he or she is
shaping a real material. Our method is the first to implement all five.
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