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Le 19-05-24 à 08:39, William F Pokorny a écrit :
> On 5/23/19 2:30 PM, Norbert Kern wrote:
>> William F Pokorny <ano### [at] anonymous org> wrote:
>>>
> ...
>>
>> Since you are asking directly - my problems were solved after this
>> special IRTC
>> round by deleting small normals at the normal section - what else....
>> No, it wasn't that easy, but anyway...
>>
>> Since then I deleted small normals, when black spots occured. Of
>> course I'm
>> curious of the root cause, but my focus is more on the result...
>> But here I'm curious...
>>
>
> If the normals are so small at the scene scale they cannot be seen, it
> makes sense compute resource wise to remove them no matter. In a strange
> way, seeing the black artifacts was an indication texture normals too
> small existed and we no longer have this in v38.
>
The normals can be very small intentionally. If you want some blurred
reflection, or refraction, one common way is to use normals deliberately
scaled very small and use anti-aliasing.
In this case, you really don't want to have them removed as your
object's appearance depends on those micro-normals.
Alain
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