Fast surface rendering from raster data by voxel traversal using chessboard distance

  • Authors:
  • Miloš Šrámek

  • Affiliations:
  • Slovak Academy of Sciences, Bratislava, Slovak Republic

  • Venue:
  • VIS '94 Proceedings of the conference on Visualization '94
  • Year:
  • 1994

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Abstract

The increasing distinguishing capability of tomographic and other 3D scanners as well as the new voxelization algorithms place new demands on visualization techniques aimed at interactivity and rendition quality. Among others, triangulation on a subvoxel level based on the marching cube algorithm has gained popularity in recent years. However, without graphics hardware support, rendering many small triangles could be awkward.We present a surface rendering approach based on ray tracing of segmented volumetric data. We show that if a proper interpolation scheme and voxel traversal alogorithm are used, high quality images can be obtained within an acceptable time and without hardware support.