the fact, that one strong field of vray is arch viz, and the hype of unbiased physical correctness nowadays, may consider to implement the the optics5 international glazing database into vray.
reflectance and transmittance for more than 1000 glazing products from manufacturers all over the world can be retrieved as radiance brtdfunc.
http://windows.lbl.gov/materials/optics5/default.htm
-oconv
reflectance and transmittance for more than 1000 glazing products from manufacturers all over the world can be retrieved as radiance brtdfunc.
http://windows.lbl.gov/materials/optics5/default.htm
-oconv
Comment