Loading a custom measured BRDF

[gioarma]

In my lab I will soon have the possibility of measuring BRDF of materials, and it would be great to be able to load them on Mitsuba for rendering.
However, I'm struggling to understand how to convert my measured tabular data in into a .bsdf file that Mitsuba can import.
I took a look at the .bsdf files in the material database (http://rgl.epfl.ch/materials), but I saw that they are in a binary format. I saw they also provide tabular raw data, but those are not the ones imported by the software.

Can anyone tell me how sould I treat my raw bsdf data to obtain a .bsdf file readable by Mitsuba?

Thank you in advance

[njroussel]

Hi @gioarma

IIRC this format is somewhat tailored to the method presented in the paper.

The repository for that project can be found here. Specifically, you'll want to have a look at this file which holds the routines to read write these .bsdf files from raw tabulated data.

I hope this helps 😄!

[gioarma]

Hello @njroussel !
Thank you for your answer! I was indeed able to import the data using the read_tensor function. So now I can arrange my data in the same way as the input file, and then export them to the correct format with write_tensor

Thanks again!