; meridian_on.sfa - Thomas G. Ferguson, Abrams Planetarium, March 2002
; This file draws the standard meridian.

0:00 buttons 2,10 play ./meridian_off
     buttons 2,10 label 'Meridn   Off'
     declare global meridian
     adjust meridian brightness 0
     draw obstinate meridian
     adjust meridian brightness 100 /until +2
     end