obtrusive calculation

I have noticed that if the LDC (LVK) in a .udl file is not oriented downwards, for example as is the case with the ERCO Beamer (A4001052) upwards or the Kona (35259) sideways, the values for Flux ratio RUL, RDLO, and RULO in the obtrusive light calculation are incorrect. Is this an issue with the program, or does the .udl file need to be adjusted by the manufacturer so that the LDC (LVK) it always points downwards?

erco-A4001052-de-uld.uld
331KB

erco-35259-000-de-uld.uld
307.5KB

calculation
DIALux
hardware
Best reply by Kolja

Thanks for the tip.

We are currently analyzing it. It seems to have something to do with internal rotations in the ULD. I am currently assuming that this is a bug in the program and that we will fix it with a patch.

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