[EMAIL PROTECTED] wrote:
> Hello,
>
> I have some stupid questions about how to use colorbar.
>
> 1) I would like to be able to put the colorbar where I went: top, bottom,
> left, right. For what I see I can do only a vertical left and horizontal
> bottom ones (with a simple use of the function).
> I know that it's possible to do a colorbar only but it's difficult to place
> them a little bit automatically and that bring my second question.
This looks like a feature request: instead of specifying "horizontal" or
"vertical", be able to specify "top", "bottom", "left", or "right".
This is fairly easy in principle, but there are some wrinkles such that
I am not sure it would be satisfactory in practice--some custom
adjustments might usually be needed depending on whether the main axes
have a title (in the case of "top") or an xlabel (in the case of
"left"). You may be better off simply figuring out what main and
colorbar axes positions work best for your particular case and then
making those axes explicitly.
>
> 2) I would like that the colorbar with exactly the same size than the image I
> plot with pcolor. It's working when I'm not using the aspect='equal' in the
> subplot but not with this option. Naturally I want to not change the aspect
> of my image and so it's a big problem for me. The only solution I found is to
> manipulate the colorbar with the shrink valu but it's a little bit painfull
> especially the value change for each pcolor image (they doesn't have always
> the same size).
This is a common request, and a reasonable one, but unfortunately it is
not straightforward to implement automatically given mpl's internal
structure. Again, however, you get the desired result quite easily by
creating your own axes explicitly.
>
> 3) I would like to give a label to the colorbar (ie if the colorbar is at the
> bottom a label under the colorbar etc). To tell people what means the colors
> but I didn't find anyway to do it. xlabel work for the pcolor object (as
> expected) and there are no colorbar.xlabel function.
Use the set_label() method.
...
cbar = fig1.colorbar(im,orientation='horizontal')
cbar.set_label('label')
...
Eric
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