Re: [Matplotlib-users] matching axes lengths after calls to "set_aspect" and "colorbar"

On 2013/03/07 12:24 PM, Jody Klymak wrote:
> Hi All,
>
> I want to have two axes have the same xlimits and the same length of the x axis.  However, I'd also like for the first axis to be plotted at a certain aspect ratio (its geographic if anyone is interested).
>
> The following two tries do not work, because the "bounds" stay the same after set_aspect.
>
> I'm sure I'm just missing some other call to the axes (or axis?) class.  Is there someway at getting at the underlying length of the actual axis, not its whole bounding box?
>

I think there is a simpler way.  Does this do what you want?

fig, axs = plt.subplots(nrows=2, sharex=True)
axs[0].set_aspect(0.7, adjustable='datalim')
axs[0].plot(np.random.rand(5))
axs[1].plot(np.random.rand(7))
plt.show()

Note that when you set the aspect, it is not applied until there is a 
draw() operation.

Eric

> Thanks,   Jody
>
> # this basically has no effect....
> ax=subplot(2,1,1)
> plot(arange(0,10),arange(0,10)*3)
> ax.set_aspect(0.7)
> pp = ax.get_position().bounds
>
> axn=subplot(2,1,2)
> plot(arange(0,10),rand(10))
> ppn = axn.get_position().bounds
> print pp
> print ppn
> axn.set_position([pp[0],ppn[1],pp[2],ppn[3]])
>
> # Or, this zooms in on subplot 1, which is of course not what I want....
>
> ax=subplot(2,1,1)
> plot(arange(0,10),arange(0,10)*3)
> ax.set_aspect(0.7)
> pp = ax.get_position().bounds
>
> axn=subplot(2,1,2,sharex=ax)
> plot(arange(0,10),rand(10))
> ppn = axn.get_position().bounds
> print pp
> print ppn
> axn.set_position([pp[0],ppn[1],pp[2],ppn[3]])
>
>
> --
> Jody Klymak
> http://web.uvic.ca/~jklymak/
>
>
>
>
>
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