 Posted: Fri Feb 28, 2025 12:29 am |
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| Pythius |
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| Joined: 10 May 2020 |
| Posts: 12 |
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| Is scattering due to the geometrical shapes (surface dimensions, edges etc.) considered in AURA calculations? Or everything is specular except the scattering coefficient we defined or choose?
Parallel to the first question, is increasing the detail level of the model helps in terms of scattering? For example for a stair, should we modeled it like it is and also define scattering or only modeled like it is or modeled it as a single surface and define scattering? How to choose?
I think we need more insight. Thanks. |
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| Posted: Fri Mar 07, 2025 4:31 pm |
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| Hi Pythius,
Usually one way is chosen, either you define scattering coefficient and draw a plane surface, which is the most popular and accurate option, or leave model details, but apply no scattering.
Specular reflections can't accurately recreate scattering effect even if the number of rays is extremely high, but depends on your project and goals you can neglect that and run with 0 scattering, leaving some details for rays to bounce more.
It is a bit deep topic. Good portion of knowledge can be derived from this article made by our managing director Stefan Feistel: https://www.afmg.eu/en/show-your-scattering-coefficients-paper
Best regards,
AFMG |
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