Modified marching octahedra for optimal regular meshes

  • Authors:
  • Hamish Carr;Thomas Theußl;Torsten Möller

  • Affiliations:
  • University of British Columbia, Vancouver, BC, Canada;Vienna University of Technology;Simon Fraser University, Vancouver, BC, Canada

  • Venue:
  • ACM SIGGRAPH 2002 conference abstracts and applications
  • Year:
  • 2002

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Abstract

Theußl et al. [Theußl et al. 2001] showed that volumetric data sampled on a body-centred cubic (BCC) lattice is nearly 30% more efficient than data sampled on a cubic lattice, and produced volume renderings using splatting. We extend this work to generate isosurfaces based on the BCC lattice, and also on the hexagonal-close packed (HCP) grid. This sketch presents a modified version of marching octahedra that simplifies the BCC mesh to an octahedral mesh to reduce the number of triangles generated for the isosurface.