Shade Material Spectral Data

[rw.h...@gmail.com]

Hi everybody, can I get the spectral data of the slat material (the opaque PU coated aluminium band) into the tool. 
In the Shade Material library appears a "spectral data" check box which is not active?
What to do to get it active?

Thank you for your help

best regards

Robert 

[Robin Mitchell]

If the spectral data box is not checked, then spectral data is not available for that material. 

What is the ID # and exact name of the Shade Material you are looking at? 

Robin

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Robin Mitchell

Building Technology and Urban Systems Division
Energy Technologies Area
Lawrence Berkeley National Laboratory

[R W]

I am trying to create a new one (shade material) 

bases on direct-diffuse reflectance values of the slat material. Will this work, at all?

Window 8

The info about going through optics5 is known, but doesnot help, as I do not have the data for the slat system. I have only the slat data.

Thank for your help

Robert 

[Jacob C. Jonsson (LBNL)]

The venetian blind model in WINDOW is using Lambertian scattering. Modifying the material to have a mix of direct and diffuse data does not give you correct values.