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Draft: RICH photos

Christopher Dilks requested to merge rich-photos into master

Small changes to make nice photos of the RICH detectors

  • adjust gas volume transparency
  • nudge aerogel slightly outside of gas volume, to get rid of moire patterns on aerogel (overlap check will fail)
  • make filter invisible

Procedure to make photos:

  1. draw the gas volume in jsroot
  2. enable x-clipping
  3. adjust camera angle
  4. make your browser window gigantic (size controls resolution)
  5. click the photo icon in the bottom left corner
  6. open in gimp, use Colors->Curves to brighten it slightly, and crop

NOTE: do not merge this MR into master

Edited by Sylvester Joosten

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