Re: [matplotlib-devel] Transparent backgrounds for savefig

[Michael D. <md...@st...>]

"rectangle" might be a bad name for "axesPatch" since it can be a circle 
for polar plots, and ellipse for geo plots etc.

Cheers,
Mike

John Hunter wrote:
> On Wed, Jun 25, 2008 at 8:25 AM, Stéfan van der Walt <st...@su...> wrote:
>   
>> 2008/6/25 Michael Droettboom <md...@st...>:
>>     
>>> Maybe this should be made an option on the "transparent" kwarg to savefig,
>>> something like:
>>>
>>>  transparent = 'figure' | 'figure_and_axes'
>>>
>>> Or is that just making things too complicated?
>>>       
>> Those options would both be very handy.
>>     
>
> Stefan -- just for a little background.  The figure has a
> matplotlib.patches.Rectangle instance called "figurePatch" and the
> axes has a Rectangle instance called axesPatch.  You can set any
> property on them directly (facecolor, edgecolor, linewidth, linestyle,
> alpha).  Eg,
>
>   fig = plt.figure()
>   fig.figurePatch.set_alpha(0.5)
>   ax = fig.add_subplot(111)
>   ax.axesPatch.set_alpha(0.5)
>
> Michael's transparent kwarg is just a helper function to do this
> automatically at save time w/o affecting the screen rendered figure.
> For stylistic reasons, I'd like a new name for figurePatch and
> rectanglePatch.  "background", "rectangle" and "patch" would all be
> nicer.  I'm inclined toward "rectangle" -- I think I'll just put an
> alias in Figure and Axes unless someone has a better idea.
>
> JDH
>
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-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA