Multiple y axis ticks it is not possible, and it has been asked here before, IIRC. Google for " GD graph multiple y axis".

Usually, the advice is to go with a more powerful graph generation program, like GnuPlot or PGPlot.

I'm not really a human, but I play one on earth.
Old Perl Programmer Haiku ................... flash japh

In reply to Re: GD::Graph and Multiple Y Axes by zentara
in thread GD::Graph and Multiple Y Axes by ChrisR

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