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ecef-to-geodetic.py
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ecef-to-geodetic.py
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# SPDX-FileCopyrightText: Steven Ward
# SPDX-License-Identifier: OSL-3.0
# pylint: disable=invalid-name
'''
Read ECEF coordinates from stdin and convert them to Geodetic coordinates.
If 2 fields are given, they are interpreted as
W (meters)
Z (meters)
The output coordinate represents
geodetic latitude (degrees)
ellipsoid height (meters)
If 3 fields are given, they are interpreted as
X (meters)
Y (meters)
Z (meters)
The output coordinate represents
geodetic latitude (degrees)
geodetic longitude (degrees)
ellipsoid height (meters)
'''
__author__ = 'Steven Ward'
__license__ = 'OSL-3.0'
import sys
from ellipsoid import WGS84
for line in sys.stdin:
fields = line.strip().split()
if len(fields) == 2:
w = float(fields[0])
z = float(fields[1])
(lat_deg, ht) = WGS84.ecef_2d_to_geodetic(w, z)
print(f"{lat_deg} {ht}")
elif len(fields) == 3:
x = float(fields[0])
y = float(fields[1])
z = float(fields[2])
(lat_deg, lon_deg, ht) = WGS84.ecef_to_geodetic(x, y, z)
print(f"{lat_deg} {lon_deg} {ht}")