I've used gnuplot to produce very nice PS/PDF vector based plots suitable for inclusion in printed papers.

GD png/gif bitmap plots just don't look as nice printed. (I suppose you could scale them really, really big...)

SVG is also vector based, so should make nicer printed plots.

In reply to Re: GD vs. gnuplot by ctilmes
in thread GD vs. gnuplot by johnnywang

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