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Re: Scientific Graphing, R and Perl

by scain (Curate)
on Mar 17, 2003 at 19:59 UTC ( #243777=note: print w/replies, xml ) Need Help??

in reply to Scientific Graphing, R and Perl

People have complained about the quality of GD and its children's graphics quality, but you may want to test it out.

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Re: Re: Scientific Graphing, R and Perl
by Willard B. Trophy (Hermit) on Mar 17, 2003 at 20:37 UTC

    Maybe coyote is wanting hardcopy-quality output. Much as I like GD, sometimes you can beat good old EPS for quality graphics.

    There is a gnuplot module for Perl, but it looks like it only wants to talk bitmap output. You could always pipe your output into gnuplot, if it's up to the task in question.

    I have also seen absurdly complex graphs generated on the fly in pic, the troff-era interpreted graphics language, but that way madness lies.

    bowling trophy thieves, die!

Re: Re: Scientific Graphing, R and Perl
by Coyote (Deacon) on Mar 17, 2003 at 21:02 UTC
    I've looked into GD. In addition to the generally spartan nature of the output, I don't think GD can do log scaled graphs or EPS output. These graphs need to be included in a LaTeX document which is being submitted to a journal for publication, so GD isn't going to do it for me. Thanks for you help, though.


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[GrandFather]: That's ok when the signal is a voltage, but there are three axis accelerometers, gyroscopes and magnetometers in these things! A little invention is needed at times!
[Corion]: GrandFather: Yeah, in that aspect, hardware is far more a black box than software
[GrandFather]: Oh, and the manufacturer tells lies too! I'm sure they don't mean to, but I know for sure some of the stuff they say is just wrong. It's possible they don't understand what we are asking, but that's not a good look either
[Corion]: GrandFather: Ah, unit testing hardware is fun, especially when the hardware is uncalibrated ...
[GrandFather]: Us: "What scaling do we need to apply to the numbers from the SDK for the wibble?". Them: "Oh, the numbers from the SDK for the wibble are already correct, they don't need scaling"
[GrandFather]: In our code: wibble range 1 scale by 1, range 2 scale by 2, range 3 scale by 4, range 4 scale by 8

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