Warp wrote:
>  This is at least the fifth place where you ask this same question.
>
>  Posting a question once is usually enough.
>
>#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
>-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -
>

Sorry, I was frustrated and wanted an answer fast.

At any rate -- some additional information:

Dot operators are mentioned in the section on isosurfaces (at tail end of
section 6.5.4.2) and there's more than .hf -- there's .grey (which works as
well for grey scales) and .red, .green, .blue, and .transmit -- which means
there is even more creative potential for this kind of macro.

normdoering

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