Maybe the issue is with the colormap not having an alpha? Does this
http://stackoverflow.com/questions/10127284/overlay-imshow-plots-in-matplotlib
help?
Otherwise, you might file a bug at
https://github.com/matplotlib/matplotlib/issues/new
-Sterling
On Nov 20, 2015, at 4:46PM, Brian Merchant <bhmerch...@gmail.com> wrote:
> Hi all,
>
> In order to get circles such that their coloring is radially symmetric, with
> center being the darkest, and exponential decay in color as one moves farther
> away from the center along the radius, I used imshow with clip_path using
> Circle patches.
>
> Here's a toy script that overlaps two such circles:
> https://gist.github.com/bmer/7063cc2dd09f1b80a252
>
> As you can see if you run the script (or, if you follow this link:
> http://i.imgur.com/H9jEAZ3.png), even though the alpha is set at 0.5, there
> doesn't seem to be proper "color mixing" occurring (we should see a result
> that is symmetric along the x-axis).
>
> Why is that, and what could I do to fix this issue?
>
> Kind regards,
> Brian
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