Interactive visualization of unstructured grids using hierarchical 3D textures

J. Leven, J. Corso, J. Cohen, S. Kumar

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We present a system for interactively rendering large, unstructured grids. Our approach is to voxelize the grid into a 3D voxel octree, and then to render the data using hierarchical, 3D texture mapping. This approach leverages the Current 3D texture mapping PC hardware for the problem of unstructured grid rendering. We specialize the 3D texture octree to the task of rendering unstructured grids through a novel pad and stencil algorithm, which distinguishes between data and non-data voxels. Both the voxelization and rendering processes efficiently manage large, out-of-core datasets. The system manages cache usage in main memory and texture memory, as well as bandwidths among disk, main memory, and texture memory. It also manages rendering load to achieve interactivity at all times. It maximizes a quality metric for a desired level of interactivity. It has been applied to a number of large data and produces high quality images at interactive, user-selectable frame rates using standard PC hardware.

Original languageEnglish
Title of host publicationProceedings - IEEE / ACM SIGGRAPH Symposium on Volume Visualization and Graphics 2002, VolVis 2002
EditorsStephen N. Spencer
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages37-44
Number of pages8
ISBN (Electronic)0780376412, 9780780376410
DOIs
StatePublished - 2002
EventIEEE / ACM SIGGRAPH Symposium on Volume Visualization and Graphics, VolVis 2002 - Boston, United States
Duration: Oct 28 2002Oct 29 2002

Publication series

NameProceedings - IEEE / ACM SIGGRAPH Symposium on Volume Visualization and Graphics 2002, VolVis 2002

Conference

ConferenceIEEE / ACM SIGGRAPH Symposium on Volume Visualization and Graphics, VolVis 2002
Country/TerritoryUnited States
CityBoston
Period10/28/0210/29/02

ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design
  • Software
  • Modeling and Simulation

Cite this