from mpl_toolkits.basemap import Basemap
import matplotlib.pyplot as plt

map = Basemap(projection='ortho', 
              lat_0=0, lon_0=0)

map.drawmapboundary(fill_color='aqua')
map.fillcontinents(color='coral',lake_color='aqua')
map.drawcoastlines()

for lon in range(0, 360, 20):
    for lat in range(-60, 90, 30):
        map.tissot(lon, lat, 4, 50)

plt.show()
from mpl_toolkits.basemap import Basemap
import matplotlib.pyplot as plt

map = Basemap(projection='ortho', 
              lat_0=0, lon_0=0)

map.drawmapboundary(fill_color='aqua')
map.fillcontinents(color='coral',lake_color='aqua')
map.drawcoastlines()

for lon in range(0, 360, 20):
    for lat in range(-60, 90, 30):
        map.tissot(lon, lat, 4, 50)

plt.show()