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How to render to 32bit (transparent background)?

Posted: Wed Jan 02, 2008 8:11 am
by Pheidian
Newbie Question, How do I render images so that the output files have transparent background (for sky composition etc)?

Posted: Wed Jan 02, 2008 11:18 am
by Pheidian
One more question under this same post topic. What does mean "Physically incorrect light model in scene with global illumination"?

I get that message in the console every time I render my scene...

Posted: Wed Jan 02, 2008 1:01 pm
by Haven1000
Pheidian wrote:What does mean "Physically incorrect light model in scene with global illumination"?.
If you have Ambient light set >0 or any lights not set to ^2 Kray will return this message.

This does not change the functionality of kray, just a warning that the lighting in your scene is "less" physically correct.
Pheidian wrote:How do I render images so that the output files have transparent background (for sky composition etc)?
For an Alpha channel place the command "needbuffers 3;" in the header.