> I know that if anything changes within a scene you need to save (rather
than
> load) a new photon map file.  Does the same thing hold true if you alter
the
> render size?  For example I render an image at 320x200 and save the photon
> map.  Would I use the same map if I rendered the same scene at 1280x1024
or
> will it need to be "reshot"?


Usually no, but if you had very few photons in the 320 x 200 image - just
enough to make it look good - then when you increase the resolution you may
notice flaws. In that case you would have to increase count or decrease
spacing and reshoot them.

 - Slime
[ http://www.slimeland.com/ ]

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