Op 28/02/2021 om 18:11 schreef Alain Martel:
> Le 2021-02-28 à 03:14, Thomas de Groot a écrit :
>> I am currently browsing through the include files to see if I can give 
>> a meaningful contribution to their upgrading to 3.7+ standard. Over 
>> time, some have been added to or partly upgraded, some are in am 
>> almost pristine state going back to version 3.1.
>>
>> I started small and upgraded skies.inc, using the scene files provided 
>> in scenes/textures/pigments/skies.
>>
> 
> Another thing.
> Most if not all of those are using ambient for the clouds. That need to 
> be changed to emission to work properly in a radiosity scene.
> 
> The same hold for the starry skies.
> 
> Next, the ambient component in the metallic textures need to go away.

Yes sir. One of the first actions I took in skies.inc was to change 
ambient to emission. It has also the neat advantage that it works 
correctly whether radiosity is used or not.

The stars.inc file has a very different type of problem about which I 
shall write separately. As it stands now, it is totally useless.

Otherwise, indeed, ambient needs to be dropped completely.

-- 
Thomas

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