; tau_ons.sfa - John French, Abrams Planetarium, March 2002
; This file draws the artwork for TAU.

0:00 buttons 4,5 play ./tau_offs
     buttons 4,5 label 'TAU   stkF'
     declare global taustk
     adjust taustk definition picture ad:consttau
     adjust taustk brightness 0
     draw stellar taustk
     adjust taustk brightness 100 /until +2
     end