#should be dopant dependent...
    array set $Base {minConc {[expr [pdbGetDouble Si V CStar] * 0.01]}}
    array set $Base {relDose {Double 1}}
    array set $Base {imp.regrid {Boolean 0}}
    array set $Base {diff.regrid {Boolean 0}}

return { imp.regrid diff.regrid relDose minConc }

