[pstricks] Modifying psPolynomial

[Herbert Voss]

John Frampton wrote:

> Could you give some pointers on how to learn to write postscript code?
> I printed out the postscript manuals, but ended up being overwhelmed. 
> Is there a useful "Writing Postscript Code: The Basics" book?

John,
a good start is
http://www-cdf.fnal.gov/offline/PostScript/BLUEBOOK.PDF

some more links for books/articles are here

http://TeXnik.de/misc/docs.phtml#postscript

Herbert


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