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Dual contouring of hermite data

Published: 01 July 2002 Publication History

Abstract

This paper describes a new method for contouring a signed grid whose edges are tagged by Hermite data (i.e; exact intersection points and normals). This method avoids the need to explicitly identify and process "features" as required in previous Hermite contouring methods. Using a new, numerically stable representation for quadratic error functions, we develop an octree-based method for simplifying contours produced by this method. We next extend our contouring method to these simpli£ed octrees. This new method imposes no constraints on the octree (such as being a restricted octree) and requires no "crack patching". We conclude with a simple test for preserving the topology of the contour during simplification.

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cover image ACM Conferences
SIGGRAPH '02: Proceedings of the 29th annual conference on Computer graphics and interactive techniques
July 2002
574 pages
ISBN:1581135211
DOI:10.1145/566570
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 01 July 2002

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Author Tags

  1. contouring
  2. crack prevention
  3. implicit functions
  4. polyhedral simplification
  5. quadratic error functions

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SIGGRAPH '02 Paper Acceptance Rate 67 of 358 submissions, 19%;
Overall Acceptance Rate 1,822 of 8,601 submissions, 21%

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