> I need to remove the plain blue sky from a shot of a red helicopter
> taken from rear and below, so I can place it against a different
> background. The problem I keep coming up against is where the rotor
> blade blur graduates from nothing to solid, I can't remove the sky in a
> natural looking graduation. I also need the blur to be transparent so
> that the new background fades naturally through it. I have tried
> everything I know, but if anyone has any ideas, I would like to hear
> from them.
> Thanks
> Ian Jebbett
Hi Ian
Have you tried Knock Out latest v is, I think v2. It's a good starting point
and slips easily into PS as a filter, its cool
Regards Ron Winter
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