Re: [Matplotlib-users] showing an image on log axes?

[Stefan v. d. W. <st...@su...>]

On Thu, Jun 15, 2006 at 11:02:47AM -0600, Fernando Perez wrote:
> On 6/15/06, Stefan van der Walt <st...@su...> wrote:
> > I often want to plot matrices, with the axes labeled according to the
> > matrix index.  I.e. the top-lefthand element should be (0,0) and the
> > bottom-righthand element (rows,columns).  Setting the extent does
> > work, i.e.
> >
> > ax.imshow(im,extent=3D(1,columns,rows,1))
> >
> > If others also use this frequently, it may be useful to have a quick
> > way of doing it (or maybe, there already is, and I've missed it).
>=20
> See matshow(), by yours truly :)  One of my few direct contributions
> to mpl.  There may be a better way to do what it does with today's
> mpl, but it works for me (all the figures from the SANUM talk were
> done with it).

That's exactly what I need -- except that it forces the creation of a
new figure, which doesn't play well with subplot.  Specifying a figure
number is, like it says in the docstring, rather unpredictable.  Is
there an easy way to work around that limitation?

An example plot of what I would like to see is at

http://mentat.za.net/results/lp.jpg

Cheers
St=E9fan