PSgraph - does it exist?

[Mark Bader]

Does anyone know of a useful postscript graphing program that is
available in the public domain?  

Unix graph and plot are too limited for the things we want to do, and
we are only going to use a postscript printer, so a graph program that
spit out postscript code directly would be ideal.  (graph | plot2ps is
what we use now).

We would want to do simple point-to-point graphs like graph(1), but 
in a more general fashion (e.g. multiple graphs per page, multiple
axis and ranges of data, etc.)

If I don't find such a beast, I might have to write one.

Thanks in advance,

Mark Bader                               INTERNET:  mbader at cac.washington.edu
Networks and Distributed Computing, UW     BITNET:  mbader at uwav1
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Seattle, WA  98105