Hi all,
From measurements I know the exact transmission of some different coloured clear materials. Due to having this measurement with different thicknesses I'm able to calculate the absorption coefficient.
In old luxrender it was possible to transfer this absorption coefficient to the render engine with a text file.
Would it be possible to handle this in luxcore the same way?
BR
Volume absorption definition
Forum rules
Please upload a testscene that allows developers to reproduce the problem, and attach some images.
Please upload a testscene that allows developers to reproduce the problem, and attach some images.
-
- Posts: 234
- Joined: Thu Jan 18, 2018 6:02 pm
Volume absorption definition
OS - Windows 7 X64
CPU - Intel CORE i7
GPU1 - Variants of notebook card from nVidia
GPU2 - Variants of notebook onboard card from Intel
Lux - Latest possible relaease
CPU - Intel CORE i7
GPU1 - Variants of notebook card from nVidia
GPU2 - Variants of notebook onboard card from Intel
Lux - Latest possible relaease
Re: Volume absorption definition
I assume, you can do the math: the transmittance is computed here https://github.com/LuxCoreRender/LuxCor ... ar.cpp#L66 according this math http://www.pbr-book.org/3ed-2018/Volume ... Absorption (the very last formula).