Hi Tarik,
This is explained pretty well in section 4 of the materials.pdf document. I assume you are reading this:
http://radsite.lbl.gov/radiance/refer/materials.pdf
You multiply the ambient by the rho_a parameter of the reflectance model, which is the same as rho_d in most cases.
-Greg
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From: Tarik Rahman <[email protected]>
Date: January 14, 2005 4:11:13 AM PSTOh, I know that Radiance handles the ambient term but say I wanted to write my
own code implementing the Radiance model, which terms would I need to multiply
the ambient value by?Tarik