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From: Jeffrey Creem <jeff@thecreems.com>
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Newsgroups: comp.lang.ada
Subject: Re: An easy way to simple scientific plots (in Ada)?
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Date: Thu, 27 Dec 2007 02:15:01 GMT
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Date: 2007-12-27T02:15:01+00:00
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JPWoodruff@gmail.com wrote:
> I'm an old Ada hobbyist who would like to plot some data from a
> computation. What I want is scientific plots that are sort of the
> opposite of industrial strength, in that small effort produces small
> result but has no aspiration to scale.
> 
> The kind of data I'll be examining are similar to
> --
> type data is array (min..max) of float;
> X, Y : data ;
> --
> circle (X, Y : out data) ;
> -- makes (max-min+1) values satisfying
> --       x**2 + y**2 = 1;
> plot_curve(X, Y) ; -- syntax to suit
> -- puts a figure that's sort-of round into a window
> 
> I've collected beaucoup graphics libraries over the years - (claw,
> gwindows, jewl, win_io, windex, once upon a time a fairly immature
> gtkada...)
> 
> But I'm not a devotee of U-I programming so I've never committed much
> thinking to any of these.  I'm going to stay uninvolved with buttons,
> callbacks and dialogs.  Instead, I just like to compute and plot
> numeric
> values.  I wish I could do that in a context that didn't make me learn
> all that stuff I'm not using.
> 
> By way of comparison, I consider my need alongside the capabilities of
> the R language environment.  Their plotting far exceeds my needs.  But
> the R language is a sad homely thing alongside Ada.
> 
> So can I ask for a suggestion: which library would be simplest for me
> to install and use for my task?
> 
> Good fortune in the new year to all
> John

I usually just have the programs output data/config files for either 
gnuplot or xmgrace