In article <3dd2a90f$1@news.povray.org> , "Wu Yang" <wya### [at] cswrightedu> 
wrote:

> I do not know what "rotate 90*x" means in pigment definition. I tried to
> find in the help pages, but I did not find it. Could someone explain it to
> me? Thanks

You rotate a pattern in space.  Simply see a pattern as infinitely many
points in space, which you can of course still rotate around the origin just
like you can rotate a single point.

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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