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AstroBlend: An Astrophysical Visualization Tool AstroBlend: An - PowerPoint PPT Presentation

Aug 09, 2023 •431 likes •673 views

AstroBlend: An Astrophysical Visualization Tool AstroBlend: An Astrophysical Visualization Tool Isodensity Contours colored by temperature Isodensity Contours Galaxy particle simulation colored by temperature, (colors = temperature)

  1. AstroBlend: An Astrophysical Visualization Tool

  2. AstroBlend: An Astrophysical Visualization Tool Isodensity Contours colored by temperature Isodensity Contours Galaxy particle simulation colored by temperature, (colors = temperature) glowing based on physics

  3. AstroBlend Two Isodensity Surfaces around a moving, rotating dwarf galaxy (FLASH) Velocity vectors of gas in a disk around a SMBH SPH galaxies merging (Gadget) 3

  4. Blender - 3D modeling and animating program (free Maya/Houdini) - used by 3D graphics folks and a few astronomers

  5. Blender Features - Open source (free!) - python scripting - being used by more and more astronomers - can combine data from multiple simulations - easy to script complex camera motions - AMR (surfaces) & SPH (particle clouds) data supported - direct access to data with yt

  6. Blender

  7. AstroBlend: Gratuitous Movies! ~4.6 billion particles

  8. AstroBlend: Gratuitous Movies! Made (nearly) entirely with Python in Blender

  9. What else can I make? ✦ Cool things to print!

  10. www.astroblend.com

  11. Other Astrophysicists working in Blender: Rhysy Taylor http://skysrv.pha.jhu.edu/~miguel/ visualization.html FRELLED - volume rendering Brian Kent http://www.rhysy.net/frelled.html http://www.cv.nrao.edu/~bkent/blender/index.html

  12. Beginning to work in Houdini

  13. Beginning to work in Houdini

  14. Beginning to work in Houdini yt as a data loader

  15. Beginning to work in Houdini yt as a data loader

  16. Beginning to work in Houdini

  17. Beginning to work in Houdini: Some Fixes More efficient data storage (VDB) - Messing with how edges of volume rendering boxes are - treated (box filter width, custom shaders) Data loading based on camera position (on the fly data - processing during render, yt as a shader)

  18. Beginning to work in Houdini: Some Fixes simulated star formation sites More efficient data storage (VDB) - Messing with how edges of volume rendering boxes are - treated (box filter width) Data loading based on camera position (on the fly data - processing) Can load & process high resolution data more efficiently… but there is still so much data not shown!

  19. www.ytini.com

  20. http://meshlab.sourceforge.net/

  21. jill.naiman@cfa.harvard.edu ✦ www.astroblend.com ✦ http://www.ncsa.illinois.edu/ ✦ www.sketchfab.com/jnaiman ✦ www.ytini.com

  23. Some final thoughts on increasing access to science Moved on to: 3D Planets https://skfb.ly/RyZo 3D Galaxies https://skfb.ly/QHwx

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