|clear.xml.zip||100% specular transmission - contains only front transmission data. (not all that interesting but usefull for understanding BSDFs)|
|diffuse50.xml.zip||50% lambertian diffusion - contains only front transmission data. (again not all that interesting but useful)|
double glazing with low-e coating and exterior venetian blinds - white curved slats at a 17 degree tilt.
Contains data for front & back, transmission & reflection.