*.matset2"

This is space distribution with gmsh 2.0.8 format. This one is for

trap_Et trap_tau_n trap_taup

Please use gmsh to load the msh file and merge this file to plot the 3D distribution.

See Alsp *.np
*.out
*.Ev
*.ef
*.Err
*.T
*.L
*.Lp
*.LpLH
*.Rad
*.nonRad
*.Auger
*.pHHLH
*.nda
*.Trap
*.gen (3D)
*.Evhhlh
*.E
*.Jn
*.Jp
*.Jns
*.Jps
*.impactG
*.heatsource"
*.matset1
*.matset4
*.matset2
*.matset3