Hi,

I'm trying to create a texture that will cover some parts of an object
with one texture, and the rest of the object with another texture. To do
this, I've written a texture using texture_map:

    #declare Mixed_t =
        texture {
            gradient <1,1>
            texture_map {
                [ 0   Texture1_t ]
                [ 0.5 Texture1_t ]
                [ 0.5 Texture2_t ]
                [ 1.0 Texture2_t ]
            }
        }

This works fine,  half the object gets Texture1_t, and the othe half
Texture2_t.

The problem is that I'd like to use turbulence to stir up the boundry
between the 2 textures, without stiring up the 2 textures themselves
(which already have the right ammount of turbulence).

If I add turbulence...

    #declare Mixed_t =
        texture {
            gradient <1,1>
            turbulence 0.2
            texture_map {
                [ 0   Texture1_t ]
                [ 0.5 Texture1_t ]
                [ 0.5 Texture2_t ]
                [ 1.0 Texture2_t ]
            }
        }

... then it stirs up both textures as well as the boundry between them.

Does anyone out there know how I could do this ?

Thanks,
Alun.
(alu### [at] convergyscom)

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