I do not really know hoy to model the 3M fil, but I guess you can contact
the authors. My understanding is that prism2 material is used instead of a
BSDF.
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As far as I know, there is no BSDF (or BTDF/BRDF) for this film. It is totally measurable in LBL's goniophotometer, though, as it's a nice small and thin material.
Bayanda,
We've characterized some products from 3M and they have an imaging sphere
for characterizing products themselves. I'd suggest you ask them for data,
that way you're sure to get the most recent version of their products.
Andy
As far as I know, there is no BSDF (or BTDF/BRDF) for this film. It is
totally measurable in LBL's goniophotometer, though, as it's a nice small
and thin material.
On 10/24/14, 9:19 AM, "Bayanda" <bayanda@pjc.co.za<mailto: > bayanda@pjc.co.za>> wrote:
Dear All,
I would to do a daylight simulation for CFS using the 3M redirecting film.
The link below is a presentation from the 2012 Radiance workshop, slides
15-18 show the possible options we are trying to achieve.
Please find in the ZIP below some infos on the Film 3M used by Chantal
Basurto in her PhD thesis completed this month (soon to be online on
infoscience.epfl.ch) together with a monitored BSDF file from LESO-PB
goniophotometer at EPFL:
