SIMION®
The field and particle trajectory simulator
Industry standard charged particle optics software
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SIMION 8.0 Issues/Bugs/Enhancements

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Issue I407 [80,resolved]
  Custom distributions in FLY2.

  As of 8.0.4-TEST2, a custom distribution can be incorporated as
  folllows in a FLY2 file.  The distribution is defined by a function
  that returns a random number.

    function my_dist() return simion.rand() ^ 2 end
    particles {
      standard_beam {
        n = 100,
        ...
        ke = distribution(my_dist)
      }
    }

  Feature is undocumented in SIMION 8.0.2 manual.

  FLY2 files with custom distributions cannot be fully saved from
  the SIMION GUI.  Edit with a text editor instead.

  Discussed further in http://www.simion.com/discuss/viewtopic?p=1628

  Resolved in 8.0.4-TEST2

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