I want to make a label for mep.
if i show slab thickness, i use "SLAB_THICKNESS" parameter at script.
ex) gep=ge-SLAB_THICKNESS
ge2=str("%+m",gep)
if t1="S_Th" then txt1=ge2
....
txts1
....
paragraph "ACP1" vr1, TL, TL, TL, 1
pen t1p
set style "AC1"
txts1+""
endparagraph
.....
but i don't know that pipe's nominal size parameter and Mep system parameter, duct's width and height parameter.
how do i show mep value by using label?