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

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

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

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

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

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

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

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

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

10. Virtual Environments DAFFIE SCV Visualization Workshop – Fall 2008

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

12. Example workflow – molecular dynamics SCV Visualization Workshop – Fall 2008 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

13. Example workflow – pressure on turbine SCV Visualization Workshop – Fall 2008 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

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

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

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

17. Many posiible workflows SCV Visualization Workshop – Fall 2008 DataMatlabVTKOpenGLMaya IDLParaviewOSGPhotoshop GnuplotDAFFIEPerformerPremier Xmgrace Excel

18. The End SCV Visualization Workshop – Fall 2008