Prismatic glazing/blind reflector system analysis

Hi folks,

I wish to analyse the light distribution to an office room supplied from a
light pipe fitted with side apertures.

The apertures will contain prismatic glazing or a blind reflector.

I have drawn the light pipe using desktop radiance, and made the surface 97%
spec ref. as from typical light pipe manufacturers data.

I wish to include prismatic glazing or other novel glazing types such as
blind reflectors to enhance the light distribution from the side aperture.

Can anyone give me some insight as to how I may do this, since the glazing
database that comes with desktop radiance only contains common glass types,
and not prismatic or such like - perhaps one of you know of a patch for
desktop radiance that provides several different prismatic glazing types, or
of code for Radiance that includes for it.

Thanks, and best regards,

Anthony Farrell
Dublin Institute of Technology, Ireland.

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