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"Thomas de Groot" <t.d### [at] inter nlDOTnet> wrote:
>
> In Zeger's example, I would replace .gray by .red (or .green or .blue).
> Parsing will be much faster, for the same result.
>
That's interesting. Due, no doubt, to the extra calculations POV has to perform
in turning a full RGB pigment into .gray.
A more accurate way of getting the pigment pattern's colors into grayscale
would be to substitute a PATTERN for the PIGMENT; it's already in grayscale.
I.e., pattern{bozo...} And--as far as I can tell from section 3.5.11.16 of the
docs--such patterns have 16-bit resolution.
KW
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