On Thu, 07 Mar 2002 13:40:12 +0100, Christoph Hormann <chr### [at] gmxde>
wrote:
> This is not exactly what i meant, my method would also work in 3d and not
> only with 2d image maps and as said it would avoid calculating the whole
> grid in advance.  Furthermore you could have adaptive grid stepping.

You are going exactly the same way I though about this problem. That's why I
asked about chr(0) in povray.general some day.

ABX

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