> Do you mean something like the following?
No because that's repeating the whole pigment. I use pigments for the rgb
values in your example and only want to repeat the inner pigment (in your
Example rgb <0,1,0>). So basically I want the sphere pigment to repeat but
not the pigment out of the sphere.
Here's the relevant part of my scene:

pigment {
    object{
    cylinder{<0,-2,0>,<0,1,0>,0.2}
    pigment { //This pigment shall not be repeated
    wood
    warp {
      turbulence <0.2,0.2,0>
    }
    frequency 40
    color_map {
      [0.00 color <190,123,88>/256]
      [0.90 color <172,106,70>/256]
      [0.99 color <127,83,61>/256]
      [1.00 color <88,42,8>/256]
    }
    ramp_wave
    rotate <0,90,0>
    scale <2,2,2>
    warp {
      black_hole <0,0,0>,.5
      strength 1.5
      inverse
      repeat <1,0,0>
    }
    },
    pigment{ //but this pigment
    wood
    turbulence <0.02,0,0>
    frequency 20
    color_map {
      [0.00 color 0.5*<150,113,88>/256]
      [0.90 color 0.5*<142,96,70>/256]
      [0.99 color 0.5*<127,83,61>/256]
      [1.00 color 0.5*<88,62,48>/256]
    }
    rotate <90,0,0>
    }
    }
    }

Thanks for the help,
Florian

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