Maybe you can convert alpha to a color, then invert the colors, then
convert back to alpha.
.hc
On Oct 11, 2009, at 6:42 PM, rene beekman wrote:
how does one invert an alpha channel in gem ?
i've created an alpha channel from the rgb channels, but need the
channel to be inverted. somehow i can't seem to find a way to do
this...
hope it is just sleep deprivation and i'm simply overlooking the
obvious... :)
thanks in advance,
rene
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