Re: [matplotlib-devel] PNG transparency

[Nils W. <nw...@ia...>]

On Wed, 18 Jun 2008 09:17:27 -0500
  "John Hunter" <jd...@gm...> wrote:
> On Wed, Jun 18, 2008 at 8:56 AM, Nils Wagner
> <nw...@ia...> wrote:
> 
>> Is it possible to produce transparent png's with mpl ?
> 
> Yes, but you must explicitly set the transparency on 
>every object you
> want to be transparent::
> 
>  fig = plt.figure()
>  fig.figurePatch.set_alpha(0.5)
> 
>  ax = fig.add_subplot(111)
>  ax.axesPatch.set_alpha(0.5)
> 
>  l, = ax.plot(x, y, alpha=0.8)
> 
>  t = ax.set_xlabel('hi', alpha=0.8)
> 
> and so on....
> 
> I wonder if we should support a global rc alpha....
> 
   +1

  Nils