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Dave Pugmire, Gary Liu, Scott Klasky (ORNL)

VisIt and ADIOS

  • VisIt: Large data parallel visualization tool
    • Rich set of visualization and analysis plots and operations
    • Plug-in API allows for easy extension
  • ADIOS: adaptable I/O framework
    • Provides portable, fast, scalable, easy-to-use, metadata rich output with a simple API
    • Visualization Schema provides an xml based method for attribute generation


  • ADIOS Vis Schema bridges the gap between simulation and visualization tools
  • Minimize impact of application changes to visualization tools
  • Support for uniform, rectilinear, curvilinear and unstructured grids
  • VisIt data reader for ADIOS Visualization schema to be released in VisIt 2.7.1



Examples showing rectilinear and unstructured meshes generated with
Schema and visualized in VisIt