Nekar wrote:
> Is there any way of twisting a texture? It would make galaxies easier if  I 
> could just use a twist warp on a stretched spherical density for  galaxies 
> because galaxies are more dens near the centre than on the outer arms.

   You could try with a spiral texture map, or by developing a better
user-defined function (which you can then use as a pattern in the
texture map).

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