#!/bin/csh -f
pnminvert < HourGlass7.pbm | pnmrotate -noantialias 45 > HourGlass7a.pbm
pnminvert < HourGlass7.pbm | pnmrotate -noantialias 90 > HourGlass7b.pbm
pnminvert < HourGlass7.pbm | pnmrotate -noantialias -45 > HourGlass7c.pbm
foreach i ( HourGlass7*.pbm )
pbmtoxbm < $i > $i:r.xbm
end


