Margus Ramst wrote:
> 
> Yes, I know (it exists in all versions that output an image while rendering).
> Perhaps this would even suffice. But AFAIK mosaic only calculates one
> preliminary pass (every 8th pixel or something). What I had in mind though was
> something like "render every 8th line, then every 4th, every 2nd etc." i.e.
> recursive subdivision. I believe rendering in whole lines is necessary for AA.

Indeed, it's antialiasing that's the problem. A scene at 1/8 resolution
will render 64x quicker than a scene at full res with no antialiasing,
but throw in the antialiasing and that time would be much more: Perhaps
50%, 100%, 200%, or worse.

Lummox JR

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