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Re: plotting graphs


From: Daniel J Farrell
Subject: Re: plotting graphs
Date: Mon, 27 Nov 2006 01:51:09 +0000

Hi,

I'm lazily working on a NSView subclass that will do this (screen- shot: http://www.boyfarrell.com/forums/qdc_plot.tiff). In fact just today I have complete the methods that calculate tic mark spacing and positions... Let me know if you want to work together on something. The code is MESSY I need to re-work the entire thing. May be the other suggestion will get you results faster.

Aquaterm and gnuplot are a great combination, this is my default of plotting my science stuff. I never attempted Per's method of getting embedding aquaterm; went a little over my head!

When I was looking around for a place to start, I found this public source code (objective-c++; don't really feel at home) for the guys that made DataTank (MacOS science app). They have released their 'foundation' code, in it is a 'SimplePlotter' example app (screen- shot here: http://www.boyfarrell.com/forums/simple_plotter.png) source:
http://www.visualdatatools.com/DTSource.html

Cheers,

Daniel.


On 25 Nov 2006, at 19:01, Matt Rice wrote:


--- tgate <address@hidden> wrote:


Is anyone familiar with a plotting class library
for
charts and
graphs that can be used with gnustep?

I've looked into gnuplot but it seems unlikely to
be
able to easily
integrate it into a custom NSView.

-todd


there is aquaterm which gnuplot already contains
an
adaptor for, i'll attempt to update and finish
porting
it if you're interested

http://sourceforge.net/projects/aquaterm


But can this be used to create an NSView subclass
similar to
NSOpenGLView where you could have a GUI object in
your app that
contained the graph?


yes its not quite as straight forward it seems as just
adding in a view, as its mostly based on accepting
plots from D.O.

but heres a thread from their forum explaining how to
go about it..

http://sourceforge.net/mailarchive/forum.php? thread_id=12831821&forum_id=4622

anyhow, my port isn't currently bug free or fully
functional, so you might be better off using narrative
or something





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