Op 4-4-2024 om 14:59 schreef Chris R:
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> Op 3-4-2024 om 23:25 schreef Bald Eagle:
>>> "Chris R" <car### [at] comcastnet> wrote:
>>>
>>>> So, somewhere, the parsing for layered textures inside of a material is
>>>> different than the parsing of layered textures when declaring a texture
>>>> identifier.
>>>
>>> remove the texture {} wrapper
>>>
>>> https://wiki.povray.org/content/Reference:Layered_Textures
>>>
>>> You make a copy of the macro, and have a parallel macro with a slightly
>>> different name to make a texture rather than a material.   Then your developer
>>> heart will avoid any mRNA induced myocarditis.  :)
>>>
>>> Once you declare the texture, then I think you can use that in a final texture
>>> definition with any other modifiers.  It seems to be just a matter of
>>> hierarchies and syntax at this point.
>>>
>>> And I can tell you from experience that that "just" can drive you crazy.
>>>
>>> - BE
>>>
>> Hmmm... doesn't seem to be as /simple/ as that... Have you tried this? I
>> am getting nowhere [drives me crazy indeed]
>>
>> --
>> Thomas
> 
> A few posts back in this thread I posted my solution as an attachment.
> Essentially I did the following:
> 
> 1. Modify the CRand macro:
> #macro CRand(Intensity)
>     #local _t = texture { ... }
>     _t
> #end
> 
> 2. Rename the DakotaRedGranite(...) macro to DakotaRedGranite_texture(...)
> 3. At the end of the macro I did the following:
>     #local _t_crand = texture { CRand(0.25) }
>     #local _t_result =
>     #if (Pol)
>     ...
>     #else
>        #if (Type=1)
>           texture {T1_DakotaRedFro}
>           texture {_t_crand}
>        #else
>           texture {T1_DakotaRedFro}
>           texture {T2_DakotaRedFro}
>           texture {_t_crand}
>        #end
> 
>     #end
> 
>     _t_result
> 
> 4. Create a new macro named DakotaRedGranite(...)
> #macro DakotaRedGranite(...)
>     #local _m = material {
>        texture { DakotaRedGranite_texture(...) }
>        interior { ior 1.6 }
>        scale M_scale
>        rotate M_rotate
>        translate M_trans
>     }
> 
>     _m
> #end
> 
> That all seems to parse correctly and works.
> 
> -- Chris R
> 

Indeed. And I gave a few ideas for slight improvements on that, a couple 
of days ago. Did you see those?

I am probably wrong, but I thought BE was referring to something else...

-- 
Thomas

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