Closest Points Python
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| abslat = np.abs(lats-stn_lat) | |
| abslon= np.abs(lons-stn_lon) | |
| c = np.maximum(abslon,abslat) | |
| latlon_idx = np.argpartition(-c.flatten(), -4)[-4:] | |
| x, y = np.unravel_index(latlon_idx,c.shape) | |
| latlon_dist = c[x, y] | |
| # Avoid divide by zero if exactly on point | |
| latlon_dist=np.maximum(latlon_dist, 0.000001) |
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