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Hardware and Software

The SCV Visualization Workshop held in Fall 2008 provided in-depth insights into the visualization pipeline, focusing on hardware and software tools utilized in scientific visualization. Attendees learned about various components from field instruments and supercomputers to graphics machines. The workshop covered essential data acquisition, preparation, rendering, and post-processing techniques, featuring tools such as Matlab, IDL, VTK, OpenGL, and Maya. It showcased diverse workflows and demonstrated how sophisticated visualizations can be created from complex scientific data, fostering better understanding through visualization.

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Hardware and Software

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  1. Hardware and Software Erik Brisson ebrisson@bu.edu SCV Visualization Workshop – Fall 2008

  2. The Visualizion Pipeline - Hardware Field instruments Scientists/programmers  Supercomputers  Graphics machines  Publications, movies/DVDs, web Demos, educational software SCV Visualization Workshop – Fall 2008

  3. The Visualization Pipeline - Software SCV Visualization Workshop – Fall 2008 Data acquisition and preparation Sci vis tools Geometric representation Rendering Post-processing

  4. Data analysis tools SCV Visualization Workshop – Fall 2008 • Matlab and IDL • Powerful mathematics libraries • Basic sci vis tools • Simple rendering

  5. Scientific visualization tools SCV Visualization Workshop – Fall 2008 • VTK, Paraview • Limited mathematics processing • Specialized sci vis tools • Built for speed / interactivity • Decent rendering

  6. Graphics / Display SCV Visualization Workshop – Fall 2008 • OpenGL, OpenSceneGraph, SGI Performer • Packages for programming graphics • Flexibility and control

  7. Rendering, modeling, animation SCV Visualization Workshop – Fall 2008 • Maya • Sophisticated user interface • Powerful modeling tools • Beautiful rendering

  8. 2D graphics and movies SCV Visualization Workshop – Fall 2008 Adobe Photoshop (and Gimp) Adobe Premiere

  9. Plotting SCV Visualization Workshop – Fall 2008 Matlab, IDL Gnuplot, Xmgrace Excel

  10. Virtual Environments SCV Visualization Workshop – Fall 2008 DAFFIE

  11. General data wrangling SCV Visualization Workshop – Fall 2008 C / C++, Fortran, Perl, Java, etc

  12. Example workflow – molecular dynamics • Simulation creates data files • Molecule x,y,z + type •  colored spheres (C program) • Electron density as volume data •  isosurfaces (IDL)  .obj files • Rendered in Maya SCV Visualization Workshop – Fall 2008

  13. Example workflow –pressure on turbine • Simulation run on supercomputer • Produced many Plot3d files • C code transforms data to .obj files • Rendered in Maya • Processed using Imagemagick for DVD Wall movies SCV Visualization Workshop – Fall 2008

  14. Example workflow –showing entropy • Isosurfaces in IDL • Convert output into .obj • Render in Maya, with transparency • View in 3D on Wall SCV Visualization Workshop – Fall 2008

  15. Example workflow –stretched water • Given positions of atoms in water • How to show “holes”? • Construct volume data of distance • Use volume visualization SCV Visualization Workshop – Fall 2008

  16. Example workflow –CISM • Researchers used OpenDX • SCV staff modified OpenDX networks • Produced wall movies and demos SCV Visualization Workshop – Fall 2008

  17. Many posiible workflows SCV Visualization Workshop – Fall 2008 Data Matlab VTK OpenGL Maya IDL Paraview OSG Photoshop Gnuplot DAFFIE Performer Premier Xmgrace Excel

  18. The End SCV Visualization Workshop – Fall 2008

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