The features I updated is that users can decide which voltage(drain or gate) will run first to get Vd-Id plot (for each Vg) or Vg-Id plot (for each Vd).
I am now working on the graph output part of PADRE and PROPHET.
But, the tcl script is more difficult than what I thought.(This is because I am not familiar with script language. I am still learning the regular expression etc.)