Re: Plotting library for GTK+

[Allin Cottrell <cottrell wfu edu>]

On Tue, 2 Dec 2014, Sergei Naumov wrote:

> Hi, folks!
>
> 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).

Allin Cottrell