That doesn't quite work the way I want. I guess a good example of the
behavior I am looking for is what 'scatter' does. It seems that regardless
of the size of the figure the points stay the same size. I would use scatter
but would like to have access to the individual patches later to modify
them. Is there a way to access individual patches in scatter, or how does
scatter manage to scale its Collection correctly?
I've dug around in the source code a bit, but can't find an obvious
solution...
Ben
On Fri, Aug 27, 2010 at 9:04 AM, Benjamin Root <ben.r...@ou.edu> wrote:
> On Thu, Aug 26, 2010 at 2:24 PM, Ben Edwards <bedwa...@cs.unm.edu> wrote:
>
>> Hello, I've used matplotlib for a while but never had cause to ask a
>> question until now. I am trying to add a patch to an axis, but would like
>> the patch to remain the same size when, interactively, I resize the
>> resulting figure. I am using TkAgg, and trying the following:
>>
>> >>> import matplotlib.pyplot as plt
>> >>> import matplotlib.patches as patches
>> >>> ax = plt.gca()
>> >>> cp = patches.Circle((.5,.5),.025)
>> >>> ax.add_patch(cp)
>> >>> ax.set_aspect('equal')
>> >>> plt.draw()
>> >>> plt.show()
>>
>> This gives me a nice blue circle in the middle of the plot, and using
>> ax.set_aspect('equal') I know that it will not be distorted into an ellipse.
>> But is there a way to ensure that when I make the Tk window bigger, that the
>> circle appears to be the same size as it was previously? I assume this would
>> entail some sort of transform, but I don't quite understand how they work...
>>
>> Ben
>>
>>
> I haven't tried using this tool myself, and it might not be what you want,
> but there is an AnchoredArtist tool that might interest you:
>
>
> http://matplotlib.sourceforge.net/mpl_toolkits/axes_grid/users/overview.html#anchoredartists
>
> I think this means that it wouldn't move at all, and I don't know if that
> is what you want. I hope this helps!
>
> Ben Root
>
>
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