Andrew C. andrewcharles
andrewcharles
/ map_tunnel_coords.py
Last active
February 25, 2020 03:33
Find the closest grid point to a set of points
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| import numpy as np | |
| import math | |
| from scipy.spatial import cKDTree as KDTree | |
| WGS84_A = 6378137.0 # semi major axis in metres | |
| def tunnel_coords(lats, lons, elev=0.0, rearth=WGS84_A): | |
| """ | |
| Transforms lat/lon coordinates to tunnel coordinates. |