Hi,



trying to do is translate the result of a function on the isosurface in the x or


I can create a rippled surface for my isosurface using the following:

function {(y - cos(sqrt(x*x + z*z)*5*pi)*0.08}

I can get the same result if I construct the function using a pattern, using
something like:

#declare fn_ripples1 = function {
  pattern {ripples scale 0.1 translate <0.5, 0, 0.5>}
}

The advantage of the pattern is I can translate the result of the function




different surface to that generated by the function outside of the pattern.

#declare fn_myripples = function { // This doesn't work as expected
  pattern {
    function {cos(sqrt(x*x + z*z)*5*pi)*0.08}
  }
}



obvious.

Any suggestion are welcome.

Cheers,
Alan

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