1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
"""
Barbs
-----
Plotting barbs.
"""
__tags__ = ['Vector data']
import matplotlib.pyplot as plt
import cartopy.crs as ccrs
from cartopy.examples.arrows import sample_data
def main():
fig = plt.figure(figsize=(10, 5))
ax = fig.add_subplot(1, 1, 1, projection=ccrs.PlateCarree())
ax.set_extent([-90, 80, 10, 85], crs=ccrs.PlateCarree())
ax.stock_img()
ax.coastlines()
x, y, u, v, vector_crs = sample_data(shape=(10, 14))
ax.barbs(x, y, u, v, length=5,
sizes=dict(emptybarb=0.25, spacing=0.2, height=0.5),
linewidth=0.95, transform=vector_crs)
plt.show()
if __name__ == '__main__':
main()
|
