Hi Aitor,
This question probably belongs on the radiance-dev list, so I am cross-posting
there and ask you to sign up (if you haven't already) and respond on that list.
(Same goes for others -- thanks!)
The data order in the file is a matrix running from smallest to largest Klems
patches, with the columns (inner loop data) corresponding to the input
directions. This is verified by a tag in the "DataDefinition" section that
says:
<IncidentDataStructure>Columns</IncidentDataStructure>
If "Rows" appears there instead of Columns, then the outgoing directions are
the inner loop, but this would be unusual and probably not supported by WINDOW.
The units of a BSDF are 1/steradians.
If you have the opportunity to link to C code, you may also use the existing
BSDF parser library included in the Radiance source tree to do the data loading
and interpretation.
Best,
-Greg
> From: leceta <[email protected]>
> Date: April 22, 2013 9:23:06 AM PDT
>
> Hi all,
>
> i would like to write a BSDF/xml parser for Rhino/Grasshopper 3d modelling
> software.
>
> In order to correctly interpret the data contained in <ScatteringData>
> element in the xml file, i would appreciate to know:
>
> -The order of this data related to Klem´s patches. supposed that they are
> measuremts for each input/output direction
>
> - The units of this data. Lumens? Percentage?
>
> thanks
> aitor
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