From: David Ishmael <dishmael@...>
Date: 2006-03-21T02:02:28+09:00
Subject: Re: Real-Time Graphing

Oh, sorry ... forgot to mention the OS is Windows XP Pro.  I went to
Sourceforge to grab Gnuplot but there weren't any files listed other than
the manual:

http://sourceforge.net/project/showfiles.php?group_id=54673

Do you have a link to the full code w/ examples?

-Dave


-----Original Message-----
From: ara.t.howard@noaa.gov [mailto:ara.t.howard@noaa.gov] 
Sent: Monday, March 20, 2006 11:58 AM
To: ruby-talk ML
Subject: Re: Real-Time Graphing

On Tue, 21 Mar 2006, David Ishmael wrote:

> Hello all .
>
>
>
> I'm still kind of new to Ruby and trying to graph data in real-time but I
> can't seem to find a suitable graphing engine.  I've sniffed around using
my
> friend Google, but I didn't find anything concrete.  Has anyone out there
> done a GUI graph that updates in real-time (something simple like a line
> chart)?  Here's some pseudocode to help get my point across:
>
>
>
> graph = SomeGraphEngine.new
>
> graph.type = "line"
>
>
>
> xvalues = Array.new
>
> yvalyes = Array.new
>
>
>
> for num in ( 0 .. 36 )
>
>            xvalues << Float( num * 10.0 + 50 )
>
>            yvalues << Float( Math.sin( num * Math.pi / 15.0 ) * 16.0 )
>
> graph.coords( xvalues, yvalues )
>
> graph.draw
>
> end

what os?  gnuplot can easily do this...

-a
-- 
share your knowledge.  it's a way to achieve immortality.
- h.h. the 14th dali lama