Sourav - Are you by chance trying to make a stereonet? If so, your
question makes a bit more sense. If that's what you're doing, have a look
at mplstereonet. https://github.com/joferkington/mplstereonet It currently
doesn't support polar stereonets, but that's something I've been meaning to
add for a long time.
If that's not what you're doing, then perhaps you wanted something similar
to this? (The directions don't have much meaning, as others have already
pointed out):
from mpl_toolkits.basemap import Basemap
import numpy as np
import matplotlib.pyplot as plt
m = Basemap(projection='npstere',boundinglat=10,lon_0=270,resolution='l')
m.drawcoastlines()
m.fillcontinents(color='coral',lake_color='aqua')
m.drawmapboundary(fill_color='aqua')
# draw parallels and meridians.
m.drawparallels(np.arange(-80.,80.,20.))
ticks = m.drawmeridians(np.arange(-180.,180.,20.),
labels=[True, True, True, True])
# Change the meridian label at 0 and 180 to East and West
for value, label in zip([0.0, -180.0], ['East', 'West']):
ticks[value][1][0].set_text(label)
plt.show()
Hope that helps!
-Joe
On Wed, Nov 6, 2013 at 1:34 PM, Jason Grout <jason-s...@creativetrax.com>wrote:
> On 11/6/13 1:10 PM, Paul Hobson wrote:
> > I am **very far** from a GIS expert, but I believe that the cardinal
> > directions are ambiguous at the poles. In other words, if you're
> > standing on the North Pole, it'd difficult to head in any direction
> > that's not towards the south pole.
> >
> > Curious to hear if I'm wrong, though.
>
> I'm sure I'm even farther from being a GIS expert (and probably farther
> from one as well :), but I think you raise an interesting point. My
> compass would give me directions at the geographic north pole, given
> that the magnetic north pole is different from the geographic north
> pole. I'm curious how valid it would be to use magnetic north to assign
> directions at the geographic north pole. My guess is not very valid,
> but kind of cool nonetheless.
>
> Jason
>
>
>
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