Re: [matplotlib-devel] Axes.scatter call fails since removal of PyCXX

[Thomas C. <tca...@gm...>]

Ah, never mind then, I just got out of sync.

On Wed, Nov 19, 2014, 04:04 Joel B. Mohler <jo...@ki...> wrote:

> On 11/18/2014 08:29 PM, Thomas Caswell wrote:
>
> Is there an issue for this (and if not can you make one)?
>
>
> This is https://github.com/matplotlib/matplotlib/pull/3811 which is fixed
> and merged.  Should it still be an issue?
>
>
>
> On Mon, Nov 17, 2014, 09:56 Joel B. Mohler <jo...@ki...> wrote:
>
>> On Mon, Nov 17, 2014 at 09:36:50AM -0500, Joel B. Mohler wrote:
>> > I think I see a breakage of the scatter call that I think should work
>> and did
>> > work before
>> >
>> https://github.com/matplotlib/matplotlib/commit/be34210a8c09fcd639ece583eb5c0acb855222b6
>> >
>> > This is running on windows 7 (32 bit) with numpy 1.8 and current master.
>>
>> Ugh, I tried this same example on my ubuntu box and it works.  I update
>> this
>> diagnosis to "scatter is broken on windows since removing PyCXX"; note
>> that I
>> do not get a traceback with the code below if I replace "scatter" with
>> "plot".
>>
>> Being that windows devs are scarce, I'll be digging into this more.  I
>> certainly welcome any clues as it seems very bizarre to me so far.
>>
>> Joel
>>
>> >
>> > The example is:
>> >
>> > ***
>> > import numpy
>> > from matplotlib.backends.backend_agg import FigureCanvasAgg as
>> FigureCanvas
>> > from matplotlib.figure import Figure
>> >
>> > POINTS = 500
>> >
>> > figure = Figure(figsize=(6, 6), dpi=72)
>> > ax = figure.add_subplot(1, 1, 1, projection=None)
>> > scat = ax.scatter(numpy.arange(POINTS), numpy.sin(numpy.arange(POINTS)))
>> > ***
>> >
>> > I get on current master
>> >
>> > ***
>> > Traceback (most recent call last):
>> >   File "C:\work\mpl_scatter_example.py", line 9, in <module>
>> >     scat = ax.scatter(numpy.arange(POINTS),
>> numpy.sin(numpy.arange(POINTS)))
>> >   File "C:\Python27\lib\site-packages\matplotlib\axes\_axes.py", line
>> 3690, in scatter
>> >     self.add_collection(collection)
>> >   File "C:\Python27\lib\site-packages\matplotlib\axes\_base.py", line
>> 1459, in add_collection
>> >     self.update_datalim(collection.get_datalim(self.transData))
>> >   File "C:\Python27\lib\site-packages\matplotlib\collections.py", line
>> 198, in get_datalim
>> >     offsets, transOffset.frozen())
>> >   File "C:\Python27\lib\site-packages\matplotlib\path.py", line 977, in
>> get_path_collection_extents
>> >     master_transform, paths, transforms, offsets,offset_transform))
>> > ValueError: object too deep for desired array
>> > ***
>> >
>> > I did very little troubleshooting beyond confirming that this works
>> before the
>> > merge mentioned in the first paragraph.
>> >
>> > Joel
>>
>>
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>
>