[Radiance-general] Re: Fw: How to increase the rendering speed?

[Huangwx]

Dear Greg:

I am very sorry for posting images to the mailing list.

Thanks very much for your suggestion.I have fixed the problem by setting the roughness of floor to 0.01. 
And I have speed up the rendering process by increasing the -aa value. 

The AMBFILE seems can help to get better rendering results, and greatly increase the rendering speed 
for the same model. But I think when I change materials of the model, I should delete the old ambient file 
and let Radiance generate a new one, otherwize the result will be incorrect. Am I right? Or maybe the 
ambient file can be reused by models with similar materials?

best wishes.

Huang
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