Hamish wrote:
> Older versions of Surfer (the commercial 3D surface rendering program) that I
> have used do that for area fills- shades of grey are many dots of varying
> density. The PS output is a massive file which takes a silly amount of time
> to render in gv and is generally an all-around PITA to work with. (meant as
> an anecdote, not as a condemnation of the approach)
oh, and the aliasing problems are horrible when you resize.
Hamish
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