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fix for zooming in on polar orthographic map #14

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Merged
merged 2 commits into from
Jan 19, 2012
Merged

fix for zooming in on polar orthographic map #14

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4a03296
update comment.
Jan 18, 2012
2e392ea
fix so round is not set to True for polar ortho maps when map corners
Jan 19, 2012
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5 changes: 3 additions & 2 deletions lib/mpl_toolkits/basemap/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -585,7 +585,8 @@ def __init__(self, llcrnrlon=None, llcrnrlat=None,
raise ValueError('orthographic projection only works for perfect spheres - not ellipsoids')
if lat_0 is None or lon_0 is None:
raise ValueError('must specify lat_0 and lon_0 for Orthographic basemap')
if lat_0 == 90 or lat_0 == -90:
if lat_0 == 90 or lat_0 == -90 and\
None in [llcrnrx,llcrnry,urcrnrx,urcrnry]:
# for ortho plot centered on pole, set boundinglat to equator.
# (so meridian labels can be drawn in this special case).
self.boundinglat = 0
Expand Down Expand Up @@ -2374,7 +2375,7 @@ def addlon(meridians,madd):
linecolls[k] = _tup(linecolls[k])
# override __delitem__ in dict to call remove() on values.
meridict = _dict(linecolls)
# clip meridian lines and label them.
# for round polar plots, clip meridian lines and label them.
if self.round:
if self.clipcircle not in ax.patches:
p = ax.add_patch(self.clipcircle)
Expand Down