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Chart drawing: GDGraph or Chart?

by uwevoelker (Pilgrim)
on Sep 23, 2004 at 10:33 UTC ( #393162=perlquestion: print w/replies, xml ) Need Help??

uwevoelker has asked for the wisdom of the Perl Monks concerning the following question:

On CPAN are two distributions for drawing charts: GD::Graph and Chart.
Chart has the disadvantage of not having POD documentation (but instead has a PDF). What else are the differences between these two modules? Which one do you use?
Do you know a comparision of these two?

Thank you.

Replies are listed 'Best First'.
Re: Chart drawing: GDGraph or Chart?
by davorg (Chancellor) on Sep 23, 2004 at 10:56 UTC

    I've just had some good successes using SVG::TT::Graph to produce charts in SVG (I then use either batik or rsvg to convert it to a raster image for the SVG-challenged).


    "The first rule of Perl club is you do not talk about Perl club."
    -- Chip Salzenberg

      Nice idea!
      But for me, this is not suitable. I would like to generate the charts from a cronjob - so the smaller the better :-)

        Well, the SVG -> PNG conversion takes a bit longer than I'd like, so currently I'm only planning to use this for charts that are generated in a batch run from a cronjob. And the PNGs aren't going to be any bigger than similar PNGs generated by any other process.


        "The first rule of Perl club is you do not talk about Perl club."
        -- Chip Salzenberg

Re: Chart drawing: GDGraph or Chart?
by dragonchild (Archbishop) on Sep 23, 2004 at 12:26 UTC
    Chart uses GD to do the drawing, as does GD::Graph. Personally, I have used GD::Graph with very good results. I even wrote Graph::Template to work with HTML::Template data structures and wrap over GD::Graph.

    Personally, I would work with Template Toolkit and the graphing plugin that comes with the main distribution. A coworker of mine got it up and running in under an hour, never having used TT before. The examples, apparently, are very helpful. :-)

    We are the carpenters and bricklayers of the Information Age.

    Then there are Damian modules.... *sigh* ... that's not about being less-lazy -- that's about being on some really good drugs -- you know, there is no spoon. - flyingmoose

    I shouldn't have to say this, but any code, unless otherwise stated, is untested

Re: Chart drawing: GDGraph or Chart?
by gwhite (Friar) on Sep 23, 2004 at 13:00 UTC

    I have been using GD::Graph for a number of years. It is reliable, GD::Chart was just released this year and still has a development version number (< 1). GD::Graph offers more graph/chart style options than chart, so I guess part of the question goes back to what kinds of charts/graphs do you want to produce?

      Hello g_White,

      GD::Chart in fact is a third module, I meant Chart (it is currently version 2.3).

      GD::Graph and Chart have the same chart types (at least the standard ones I looked at).
Re: Chart drawing: GDGraph or Chart?
by bsdz (Friar) on Sep 23, 2004 at 15:10 UTC
    For a very good commercial chart package see ChartDirector. I use it and it's fast, reliable, well documented and well supported.

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