On 08/09/2016 07:55 PM, clipka wrote:
> Folks,
>
> I have a special development version that needs exhaustive testing of
> complex textures, so if you have a scene that uses wild combinations of
> the following features (and you happen to be using Unix), it would be
> greatly appreciated if you could give it a shot:
>
> - patterned textures
> - material_map
> - layered textures
> - overriding the texture of objects
> - non-canonical syntax to define textures (e.g specifying `pigment`
> directly on an object)
> - any other texture-related stuff you can think of
>
> The version in question can be found here:
>
>   https://github.com/c-lipka/povray/tree/refactor/texture
>
> (source code only at this time)
>
> Also, I expect more follow-up versions to be coming, so I might ask you
> to re-test with the same scenes later.
>
A material mapped from Norbert Kern's collection and run against:

---
A - POV-Ray 3.7.0.unofficial

B - POV-Ray 3.7.1-alpha.8764097.unofficial (current 3.7.1)

C - POV-Ray 3.7.1-alpha.8738139.unofficial (refactor/texture)

Is showing differences in all three when run with radiosity. See the 
attached image where A, B and C shown left to right.

If run without radiosity A & C match well, but our current 3.7.1 is 
still different.

If run without radiosity and finish statements A, B & C match well, so 
something is different in finish {} with our current 3.7.1.

Unsure what might be expected and not. Where would you like to go from 
here?

Bill P.

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