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Samo
02-07-2006, 09:44 AM
I'm looking for information about what are the basic editing techniques, once the render is finished.

I mean color correction, gamma adjustments, sharpeness and that sort of things,
and how and when these techniques must be applied.

Begginers are always afraid of editing renders as they come out from render engines.

scrimski
02-07-2006, 10:20 AM
First, you should render in passes to exclude the object from the background and additonal FX(fog, Volume Light etc). Gives you more control about the specific parts. You can also achieve a result without passes by using masked layers in photoshop for instance.

http://www.3drender.com/light/compositing/index.html

Next step would be to render out different light passes for each object.

http://www.3drender.com/jbirn/ea/Ant.html

If you are comping a 3d model in a photo, look for the most lit and the darkest spots(shadows) they should match in tone and lightness to achieve a realistic result. You could use either gamma correction or levels/curves for that.
www.DVgarage.com has a few videotutorials about compositing, you got to register to access them.

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