Designing a graph study program

[andrea]

On 9 Mag, 09:10, Alexander Schliep <schl... at molgen.mpg.de> wrote:
> andrea <kerny... at gmail.com> writes:
> > Well then I wanted to draw graphs and I found that pydot is working
> > really nicely.
> > BUT I'd like to do this, an interactive program to see ho the
> > algorithms works...
> > For example in the breath search first, every time the algorithm
> > colors a node, the program should redraw the graphs. Which modules
> > should I use for graphics (I use macosX and I'd like something cross
> > platforms).
>
> Check outhttp://gato.sf.net(LGPL license). It does exactly what you
> want to do and there is a binary for MacOS X. Algorithms are implemented
> using Gato's graph class and rudimentary visualizations you get for free
> by replacing standard data structures (e.g., a vertex queue) by
> animated ones (AnimatedVertexQueue).
>
> There is a Springer textbook forthcoming. We are also starting to collect
> contributed algorithms, which we would like to make available from
> our website.
>
> Full disclosure: I am the author of Gato
>
> Best,
> Alexander

Very very nice well done!
I'd like to do something similar, just to learn something new...
Could you explain me how you designed it?? How is the step mechanism
done??
Any advices?