Problem with creating *.xml file

Hi

I really don’t think so.

For glass layer you can use Optics together with Windows if you want to make a new material. But how to do it might be tricky. Keep in mind that this layer is still specular and doesn’t need any BSDF (xml format).
For geometry, you should use radiance genBSDF, following the tutorial carefully.

Finally, as one conventional option, you need to combine them (glass+geometry) in 1 xml file to use in multi-phase simulation. This can be done again in windows by using your geometry data as shading layer. This is actually how I did for my curvy Venetian blinds in this project:

check the workflow below:

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