Thomas de Groot <tho### [at] degrootorg> wrote:
> On 26-8-2013 21:59, Samuel Benge wrote:
> > Can't you make a new pigment_pattern that combines the proximity pattern and a
> > new stain pattern?
> >
> Best to show with the code. This is the texture using the proximity pattern:
>
> //code 1
> #declare Factor      = 1;
> #declare add_noise   = true;
> #declare ScaleFactor = 1;//<0.1, 0.1, 1>;
>
> #declare TMProx =
> texture {
>    pigment_pattern {
>      average
>      pigment_map {
>        [ 3.0 df3_pattern ]
>        #if (add_noise = true)
>          [ 0.6 slope { <0, 0, 0.99> 0.5, 1.0 altitude <0, 0, 0.99> 0,
> 248.672 } color_map { [0 rgb 1] [1 rgb 0] } scale 248.672 ]
>  [ 0.4 bozo color_map { [0 rgb 0] [1 rgb 1] } scale ScaleFactor*4/Factor ]
>  [ 0.3 bozo color_map { [0 rgb 0] [1 rgb 1] } scale ScaleFactor*1/Factor ]
>  [ 0.2 bozo color_map { [0 rgb 0] [1 rgb 1] } scale
> ScaleFactor*0.33/Factor ]
>  [ 0.1 bozo color_map { [0 rgb 0] [1 rgb 1] } scale ScaleFactor*0.1/Factor ]
>        #end
>      }
>    }
>    texture_map {Dull_brass_map}
> }
> //end code 1
>
> I want to add the following stain texture:
>
> //code 2
> #declare TMGrad =
> texture {
>    pigment {
>      gradient y
>      pigment_map {
>        [0.35 srgb 0.1]
>        [0.45 srgb 0.1 transmit 1]
>      }
>      scale <1, 120, 1>
>    }
>    finish {diffuse 0.8 specular 0.3 roughness 0.001}
> }
> //end code 2
>
> I have not found a satisfying way.
>
> Thomas

Is it hard, to layer the object itself? CSG should be hard, an mesh can moved
along the normals. I mean to have a slightly larger scaled outer version with
the second texture.

Michael

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