Zooming bug for round=True stereos

[michaelaye]

I have created two polar stereographic basemaps that look like this, sharing a plt.subplots figure:

http://imgur.com/ayqINQ6

When zooming in, this happens:

http://imgur.com/ca5OFgj

I have confirmed that this happens only for the Basemap with round=True option.

MPL: 1.2.1 basemap: 1.0.6 Backend: Qt4Agg

[jswhit]

Confirmed - but no idea yet how to fix this.

[michaelaye]

same backend? maybe we should first confirm if it's backend dependent.

[WeatherGod]

I think this is fixed by my #290 pull request. All plots are clipped by the axes plot regions now (they weren't before). When zooming happened, those plots weren't getting consistently clipped. They will now be clipped.