Sorry for being a bit cryptic yesterday, I was in a rush.  I have attached
a test script that demonstrates the issue.

Can anybody confirm this?  I have also attached an image showing what I get
(using master with TkAgg).

Thanks,
Ben Root

On Mon, Apr 16, 2012 at 5:10 PM, Benjamin Root <ben.r...@ou.edu> wrote:

> Thanks to a patch a bit while back for ListedColormap that allowed for
> alphas to be given, I should now be able to use imshow() and imsave() with
> colormaps.  However, I find that the results are not correct. Particularly,
> the alpha values seem to be assigned incorrectly.  I am still working on
> making a stand-alone version to demonstrate the problem, but has anyone
> else noticed this?
>
> Note,
>
> plt.imshow(d, cmap=cm)
>
> produces an incorrect result while
>
> plt.imshow(cm(d))
>
> produces a correct result.  However, due to a bug in imsave, I can't do
> the latter as a work-around.
>
> Thanks,
> Ben Root
>

Attachment: imshow_cmap_test.py
Description: Binary data

<<attachment: imshow_cmap_result.png>>

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