"Gerhard Navratil" <navratil@geoinfo.tuwien.ac.at> writes:
> I would like to write line graphics into a file
> (e.g. contour lines calculated by a Haskell function) and
> access the data from standard programs. For the output I
> need a Library.
Why don't you output some ASCII numbers, and use another
program (gnuplot, plotutils, whatever) to produce graphics?
Feri.