> I have made a animation in AE with photograph in high resolution. If I use this photograph in a small size composition and I nest this compositon in a second High res composition the photograph resolution stays low. This whereas the used source material is of high quality. How is this? The eventual rendering nevertheless use of the imported source material?
It seems that you need to learn about collapsing transformations.
from
"Render order and collapsing transformations"
"Collapsing transformations can, for example, preserve resolution when a layer is scaled down by half in a nested composition, and the nested composition is scaled up by a factor of two in the containing composition. In this case, rather than performing both transformations and losing image data in the process, one transformation can be performed—doing nothing, because the individual transformations cancel each other."
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Todd Kopriva, Adobe Systems Incorporated
putting the 'T' back in 'RTFM' :
After Effects Help on the Web
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