manipulating FG maps, limiting CPU´s used on the master?

["Tim Leydecker" <BauerOink(at)gmx.de>]

Hi folks,

artistically, I lag some knobs. I´d like to precalculate the
FG maps for a turntable modelshot, one where the model
is rotated, not the camera. Obviously, I get more flicker than
if I´d rotate the camera around the (static) model and lightrig.

So, I use the append option to add to a specified FG map
but get splotches. I guess it´s due to FG map//light throwing
shadow onto areas occluded in a previous frame.

Any way around this, wouldn´t want to recreate the FG map
per frame as long as I can get away without crawling or flicker
otherwise?

Had hoped the append would overwrite portions of the file
that change instead of just mixing the result (in my case bad)
and patching the holes for areas previously culled...

tim

P.S: How do I make XSI//GUI use only one CPU of the master?









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