check the documentation for that.
you can use the wood pigment in a color map and then apply that into a
pigment map with your rotorblades.




"Robert C" <cre### [at] grunetnospam> schreef in bericht
news:3e97171b@news.povray.org...
> Hello,
>    I am experimenting with a way to simulate the motion blur of a spinning
> rotor blade (like that of a helicopter).  I have had promising results by
> using a simple disc object with a Radial color map texture.  The color map
> is such that a portion of the map slowly ramps from complete transparency
to
> opacity, and then falls sharply back to complete transparency.  Increasing
> Frequency to 4 makes the disc look like 4 individual blades spinning
around
> a center axis with the transparency emulating a trailing-edge motion blur.
>
> My question is:
>   Is there a way combine the transparency map with a cylindrical color map
> to give the appearance of bands or stripes painted onto the 'spinning
> blades'?
>
>
> TIA!
>
> Robert
>
>

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