示例#1
0
# plt.axes()
# plt.figure(2)
df.Longitude.hist(bins=300 )



# plt.figure(3)
df.Latitude.hist(bins=1000)
ships = data.groupby(u'MMSI')


# plt.figure(4)
df.plot(kind='hexbin', x='Latitude', y='Longitude', gridsize=75)
# ships()
loc = (lon[0],lat[0])
print gs.elevation([ ( 90.000000000001,-170.000000000001)])
print gs.elevation([ loc ])
print data


'''
60]: ax = df.plot(kind='scatter', x='a', y='b',
   ....:              color='DarkBlue', label='Group 1');
   ....:

In [61]: df.plot(kind='scatter', x='c', y='d',
   ....:         color='DarkGreen', label='Group 2', ax=ax);

'''

'''
示例#2
0
def get_dock_elevation(dock):
    # from google api
    dock.depth = gm.elevation((dock.lat, dock.lon))[0]['elevation']
    return dock.depth