Created
August 16, 2018 15:32
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Function to calculate the euclidian distance between to points given by their latlon coordinates
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| import numpy as np | |
| def latlon2km(latlon1,latlon2): | |
| # approximate radius of earth in km | |
| R = 6373.0 | |
| lat1 = np.radians(latlon1[0]) | |
| lon1 = np.radians(latlon1[1]) | |
| lat2 = np.radians(latlon2[0]) | |
| lon2 = np.radians(latlon2[1]) | |
| dlon = lon2 - lon1 | |
| dlat = lat2 - lat1 | |
| a = np.sin(dlat / 2)**2 + np.cos(lat1) * np.cos(lat2) * np.sin(dlon / 2)**2 | |
| c = 2 * np.arctan2(np.sqrt(a), np.sqrt(1 - a)) | |
| distance = R * c | |
| return distance |
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