Hi Jae-Joon,
Thanks for your quick reply! Since for example LineCollections can be created
independent of the Axes in which they are going to be plotted through the
creation of a LineCollection instance, would it not be possible to have a
method that allows one to retrieve an Axes-independent LineCollection from an
Axes instance? (for example a get_collection method) This would then allow one
to 'recycle' existing collections.
Cheers,
Thomas
On Mar 29, 2010, at 1:40 PM, Jae-Joon Lee wrote:
> As far as I can say, moving around artists from one axes to the other
> is NOT recommended. And I encourage you to create separate artists for
> each axes rather than try to reuse the existing ones.
>
> For your particular example,
>
> fig = mpl.figure()
> ax2 = fig.add_subplot(1,1,1)
> for c in ax1.collections:
> c._transOffset=ax2.transData
> ax2.add_collection(c)
>
> should work.
>
> Regards,
>
> -JJ
>
>
>
>
> On Mon, Mar 29, 2010 at 12:24 PM, Thomas Robitaille
> <thomas.robitai...@gmail.com> wrote:
>> Hello,
>>
>> In the following example, I am trying to copy over existing collections from
>> one plot to another:
>>
>> import matplotlib.pyplot as mpl
>>
>> fig = mpl.figure()
>> ax1 = fig.add_subplot(1,1,1)
>> ax1.scatter([0.5],[0.5])
>> fig.savefig('test1.png')
>>
>> fig = mpl.figure()
>> ax2 = fig.add_subplot(1,1,1)
>> for c in ax1.collections:
>> ax2.add_collection(c)
>> fig.savefig('test2.png')
>>
>> However, the circle appears in the wrong place in test2.png (close to 0.4,
>> 0.4 instead of 0.5,0.5). Is it not possible/safe to copy over collections in
>> this way? If not, then how should this be done?
>>
>> Thanks,
>>
>> Thomas
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