gpx2gcp.py

#!/usr/bin/python

# convert a set of waypoints of a gpx file into utm ground control points txt
# setup: pip install gpxpy utm
# usage: ./gpxexport.py path/to/file.gpx

import sys
import gpxpy
import gpxpy.gpx
import utm

gpx_file = open(sys.argv[1], 'r')
gpx = gpxpy.parse(gpx_file)

for wpt in gpx.waypoints:
	coord = utm.from_latlon(wpt.latitude, wpt.longitude)
	print(wpt.name, coord[0], coord[1], wpt.elevation, '0 0')