RE: Re: Plotting library for GTK+

[Paul Stelzig <Paul Stelzig reell com>]

> -----Original Message-----
> From: gtk-app-devel-list [mailto:gtk-app-devel-list-bounces gnome org] On
> Behalf Of Allin Cottrell
> Sent: Tuesday, December 02, 2014 10:51 AM
> To: Sergei Naumov
> Cc: gtk-app-devel-list gnome org
> Subject: RE: Re: Plotting library for GTK+
>
> On Tue, 2 Dec 2014, Sergei Naumov wrote:
>
> > > > I think this question was asked many times but googling gives a
> > > > rather
> > > patchy
> > > > answer to it. So, I am writing a piece of C code that acquires some
> > > > data
> > > from
> > > > hardware controllers and it also has to plot a few simple graphs
> > > > and >
> > > histograms
> > > > out of them. What is a "canonical" tool for such a purpose?
> > > >
> > > > I played a bit with GtkExtra but it seems that the project is
> > > > somewhat >
> > > forgotten
> > > > and it does not have all the documentation in it. I also looked at
> > > > Cairo
> > > but > it
> > > > is a low level library so I would have to implement all the
> > > > scaling,
> > > axes, > ticks
> > > > and stuff myself. There are some interactive tools based on GTK but
> > > > I
> > > need a
> > > > library, as I have to build in plotting functionality.
> > >
> > > AFAIK there's no such library, unfortunately. However gnuplot is
> > > perhaps the nearest thing to a "canonical" open-source plotting
> > > program. It can be run quite effectively in "slave" mode and can
> > > produce a wide variety of output formats (notably, using cairo and pango).
> >
> > Gnuplot would be the best but it is an interactive program. It can
> > also produce all kinds of file formats. Are you suggesting to create
> > such files and display them in GTK application?
>
> Yes, it's not the ideal solution (using a library would be cleaner) but it works
> quite nicely. You can generate a plot in batch mode using gnuplot's pngcairo
> "terminal" and load the PNG into a GTK window.
>
> Allin Cottrell


I do the same thing with graphs created in a separate python program with matplotlib.

The information contained in this message is CONFIDENTIAL. It is intended only for the use of the individual 
or entity to whom it is addressed. If the reader of this message is not the intended recipient, you are 
hereby notified that any dissemination or copying of this information is strictly prohibited. If you received 
this communication in error, please immediately notify the sender, and thereafter destroy any electronic 
copies of the message.