"Trevor G Quayle" <Tin### [at] hotmailcom> wrote:
> "Trevor G Quayle" <Tin### [at] hotmailcom> wrote:
> > Next step will be to make it as a
> > single pattern...
>
> //START
> #declare BSiz=<20,6,10>;  //Size of box
> #declare TilSiz=<2,1>;    //Size of tile (x,y)
> #declare Grt=0.1;         //Width of grout
>
> #declare TilCol=rgb 0;  //Tile colour
> #declare GrtCol=rgb <1,0,0>;  // Grout colour
>
>
> #declare DimU=Grt/TilSiz.u/2; //Grout scaling x
> #declare DimV=Grt/TilSiz.v/2; //Grout scaling y
>
> #declare CMapVGrt=colour_map{[DimV GrtCol][DimV TilCol][1-DimV TilCol][1-DimV
> GrtCol]}
>
> #declare BoxUV= //Tile pattern for uv box
>   pigment{
>     uv_mapping
>     gradient x
>     pigment_map{
>       [1/4 gradient x
>         pigment_map{
>           [  DimU GrtCol]
>           [  DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.y/TilSiz.v]
>           [1-DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.y/TilSiz.v]
>           [1-DimU GrtCol]
>         }
>         frequency 4*BSiz.z/TilSiz.u
>       ]
>       [1/4 gradient x
>         pigment_map{
>           [  DimU GrtCol]
>           [  DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.z/TilSiz.v]
>           [1-DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.z/TilSiz.v]
>           [1-DimU GrtCol]
>         }
>         frequency 4*BSiz.x/TilSiz.u
>       ]
>       [2/4 gradient x
>         pigment_map{
>           [  DimU GrtCol]
>           [  DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.z/TilSiz.v]
>           [1-DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.z/TilSiz.v]
>           [1-DimU GrtCol]
>         }
>         frequency 4*BSiz.x/TilSiz.u
>       ]
>       [2/4 gradient x
>         pigment_map{
>           [  DimU GrtCol]
>           [  DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.y/TilSiz.v]
>           [1-DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.y/TilSiz.v]
>           [1-DimU GrtCol]
>         }
>         frequency 4*BSiz.z/TilSiz.u
>       ]
>       [3/4 gradient x
>         pigment_map{
>           [  DimU GrtCol]
>           [  DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.y/TilSiz.v]
>           [1-DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.y/TilSiz.v]
>           [1-DimU GrtCol]
>         }
>         frequency 4*BSiz.z/TilSiz.u
>       ]
>       [3/4 gradient x
>         pigment_map{
>           [  DimU GrtCol]
>           [  DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.y/TilSiz.v]
>           [1-DimU gradient y colour_map{CMapVGrt} frequency 3*BSiz.y/TilSiz.v]
>           [1-DimU GrtCol]
>         }
>         frequency 4*BSiz.x/TilSiz.u
>       ]
>     }
>   }
>
> box{0, BSiz pigment{BoxUV}}
> //END


almost.
which one runs down the inside-z-plane of CSG
?

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