Swirling-Sweepers: Constant-Volume Modeling

  • Authors:
  • Alexis Angelidis;Marie-Paule Cani;Geoff Wyvill;Scott King

  • Affiliations:
  • University of Otago;Laboratoire GRAVIR;University of Otago;University of Otago

  • Venue:
  • PG '04 Proceedings of the Computer Graphics and Applications, 12th Pacific Conference
  • Year:
  • 2004

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Abstract

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 constrainedto 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.