[Archive] About the backtracking PIC composition parameter

SPIS
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Message by Fang Yang:
How to control NUM from UI

  • BacktrackingBoltzmannCompositeVolDistrib: computes currents onto spacecraft surface through backtracking and densities through Boltzmann distribution
  • BacktrackingPICCompositeVolDistrib: computes currents onto spacecraft surface through backtracking and densities through Boltzmann distribution
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Message by Fang Yang:

Do they have the same function?
or I just misunderstand?