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Text mode
vmd -e get-windows.tcl -dispdev none > test.txt
Drawing
draw color green
draw text {5 0 0} "This way"
draw cylinder {0 0 0} {4 0 0} radius 0.1
draw sphere {0 0 0} radius 0.3
draw line {0 0 0} {0 2 0} style dashed
Center of mass
set sel [atomselect top "resid 48 76 and name CA"].
set sel1 [atomselect top "$seltext1"]
set com1 [measure center $sel1 weight mass]
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