范德格林滕投影¶
一种全球投影,曾被美国国家地理学会用于世界地图。它既不是等面积投影,也不是正形投影,以赤道为中心,在一个圆形中显示世界。
from mpl_toolkits.basemap import Basemap
import numpy as np
import matplotlib.pyplot as plt
# lon_0 is central longitude of projection.
# resolution = 'c' means use crude resolution coastlines.
m = Basemap(projection='vandg',lon_0=0,resolution='c')
m.drawcoastlines()
m.fillcontinents(color='coral',lake_color='aqua')
# draw parallels and meridians.
m.drawparallels(np.arange(-80.,81.,20.))
m.drawmeridians(np.arange(0.,360.,60.))
m.drawmapboundary(fill_color='aqua')
plt.title("van der Grinten Projection")
plt.show()
(源代码
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