Can renderings be combined?
Drogo Nazhur
Posts: 1,164
Is there any way to render one character in IRAY and another character in 3Delight in the SAME scene?
(I have some characters that come out looking better / more realistic in IRAY and other characters that look better / more realistic in 3Delight)
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Comments
No, you can't render part of a scene with one engine and other parts with another at the same time.
You would need to render once with 3Delight, once with IRay, and then use an image editor to combine both renders.
Yeah, experiment with rendering one character to TIFF format -- I think other formats support this as well, I just haven't tried them -- which yields a transparent layer. Since you will be dealing with just one object in this experimental render, make it real big to give yourself lots of pixels on the edges in case you want to manually fuzz all or some of the edges a bit. Then scale it back down in an image editor and flatten the final result.
Note that doing it this way gives you an extra chance to modify the lighting. And if you do TWO or more transparent renders, intending to cut the character in half and then reassemble him, then you can throw in some colored or gel lighting on all or part of the figure. The latest image editors easily fuzz across a range of 200, or 300 pixels or more giving you the option of subtlety in your transition effects.
Although this has more to do with the large number of polygons, one type of scene that can benefit from a transparent layer up front is grass or vegetation. I was chopping away (with the Geometry Editor) at some of the "realistic grass evolution" by whitemagus and we are dealing here with 300,000 or even 500,000 polygons at a time, and this is in the low-resolution version! It's nice to be able to choose to have some of this stuff in the foreground -- or not; a transparent layer lets you choose and mess around long after the rendering is all finished. Here is a sample "transparent layer" with a detailed inset showing how it looks up close. Again this is low-res! Bwah-hahaha!