in reply to Re: Usage of use_axis
in thread Usage of use_axis

Exactly the same. But what I would like to understand is how the datasets are related to use_axis. Even though, I mention 2 in use_axis to force one of the datasets to refer to the right Y axis, it is not working when the datasets are more than 3.

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Re^3: Usage of use_axis
by zentara (Cardinal) on Jun 06, 2018 at 11:23 UTC
    I'm not sure if GD::Graph::mixed will make it easy to do that in the way you want. You may need to use a more powerful graphics module, like GnuPlot; OR you may be able to combine separate GD images into one composite which would do what you want. One image would be the multiple plots, and the second would be a set of multiple y-axis values, color coded to match the data. See multi-y-axis plot. See multiple y plots for more information.

    You can do anything with Perl. If you are willing to manually make your axis and plots, you can do it on a Tk::Canvas, or use something direct like Cairo


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