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On 2/6/23 09:26, Kenneth wrote:
> William F Pokorny <ano### [at] anonymous org> wrote:
>>
>> On the screen changes being an issue. If we change the screen's finish
>> to { emission 0 ambient 1 }, would we get the bright screen without any
>> light contribution to radiosity? I don't know...?
>>
> Well, unfortunately (or fortunately, depending on how you look at it!), ambient
> is now completely turned off when radiosity is used, so I can't test the idea in
> v3.8. Only emission and diffuse are active.
>
> I also thought about the 'no_radiosity' switch for certain objects. If the
> oscilloscope screen is actually a separate object, maybe that would help?
> Honestly, I'm not completely sure I understand that feature, from the docs'
> description. But in my own test scene, I have a sky_sphere with a pigment; if I
> add 'no_radiosity' to it, that does indeed turn off any radiosity-light
> contribution from it.
>
>
Thanks for the confirmation on ambient and emission together with
radiosity.
I too forgot about the no_radiosity keyword! I believe this the better
approach to make the screen invisible to radiosity rays, but as you said
it would need to be built in such a way all the glowing bits are
represented as stand alone objects such that the keyword could be used.
Bill P.
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