Nicolas George wrote:
> One possible solution would be to generate a SVG file, with radial gradients
> to simulate lightning and specular light, sorting the spheres upon the
> distance to the camera. Then let Inkscape or anything similar rasterize it.

Another idea: Skip the gradients, and paint the spheres with solid 
colors based on distance from the camera (more distant spheres are 
darker). That should be faster to render, and might even be easier to 
interpret visually, even if it won't be as pretty.

-- 
William Tracy
afi### [at] gmailcom -- wtr### [at] calpolyedu

    "Meanwhile we can't be having a constitution that says only 'don't 
change speed too fast.'"
     -- Kim Stanley Robinson, _Blue Mars_

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