Hi(gh)!

On 07.11.2016 15:50, Bald Eagle wrote:
> Hi Yadgar -
>
> I believe that
> boxed is a non-repeating pattern, and so is wholly unsuited for
> what you want,

No, it's not unsuited at all - at least when I use warps! So I did, and 
it worked quite well (see attachment)... but now another problem arises 
(of course, that's computing!): the inner boxes (uppermost texture 
layer, see code) should have a concentric color gradient from greyish 
blue to white - but instead, the gradient is centered in the lower left 
corner, as if the box pattern uses only a quarter of the entire box! How 
can I fix this?

The code:

// FINISHES

#declare F_Background=
finish
{
   ambient 1
   diffuse 0
}

// TEXTURES

#declare T_Cubic_Division_Blue_Layer_1 =
texture
{
   pigment
   {
     boxed
     warp { repeat <1.384, 0, 0> }
     warp { repeat <0, 0, 1.384> }
     color_map
     {
       [0 rgb 0]
       [0.00001 rgb 0]
       [0.00001 rgb <0, 0, 0.192>]
       [1 rgb <0, 0, 0.192>]
     }
   }
   finish { F_Background }
}

#declare T_Cubic_Division_Blue_Layer_2 =
texture
{
   pigment
   {
     gradient x
     color_map
     {
       [0       rgbft <0, 0, 0, 1, 1>]
       [0.40625 rgbft <0, 0, 0, 1, 1>]
       [0.40625 rgbft <0.129, 0.125, 0.388, 0, 0>]
       [0.59375 rgbft <0.388, 0.396, 0.678, 0, 0>]
       [0.59375 rgbft <0, 0, 0, 1, 1>]
       [1       rgbft <0, 0, 0, 1, 1>]
     }
     scale 1.384
     translate <-0.192, 0, 0>
   }
   finish { F_Background }
}

#declare T_Cubic_Division_Blue_Layer_3 =
texture
{
   pigment
   {
     gradient z
     color_map
     {
       [0       rgbft <0, 0, 0, 1, 1>]
       [0.40625 rgbft <0, 0, 0, 1, 1>]
       [0.40625 rgbft <0.129, 0.125, 0.388, 0, 0>]
       [0.59375 rgbft <0.388, 0.396, 0.678, 0, 0>]
       [0.59375 rgbft <0, 0, 0, 1, 1>]
       [1       rgbft <0, 0, 0, 1, 1>]
     }
     scale 1.384
     translate <0, 0, -0.192>
   }
   finish { F_Background }
}

#declare T_Cubic_Division_Blue_Layer_4 =
texture
{
   pigment
   {
     boxed
     warp { repeat <1.384, 0, 0> }
     warp { repeat <0, 0, 1.384> }
     color_map
     {
       [0 rgbft <0, 0, 0, 1, 1>]
       [0.125 rgbft <0, 0, 0, 1, 1>]
       [0.125 rgbft <0.388, 0.396, 0.678, 0, 0>]
       [1 rgbft <1, 1, 1, 0, 0>]
     }
     translate <0.06, 0, 0.06>
   }
   finish { F_Background }
}




#declare LT_Cubic_Division_Blue =
texture { T_Cubic_Division_Blue_Layer_1 }
texture { T_Cubic_Division_Blue_Layer_2 }
texture { T_Cubic_Division_Blue_Layer_3 }
texture { T_Cubic_Division_Blue_Layer_4 }

// ACTUAL SCENE

plane
{
   y, 0
   texture { LT_Cubic_Division_Blue }
}

camera
{
   location <0, 10, 0>
   look_at 0
   angle 40
}

// end of code

See you in Khyberspace!

Yadgar

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