def save(self):
# create gpx document from existing gpx file
today = datetime.date.today().strftime("%Y-%m-%d")
gpx_file = os.path.join(self.directory, today + '.xml')
document = Document(children=[], name=today)
if os.path.exists(gpx_file):
document = document.readGPX(gpx_file)
# add track to document
segment = TrackSegment(points=self.track_points)
document.append(Track(segments=[segment]))
# add way points to document
for wp in self.way_points:
document.append(wp)
# write or overwrite gpx file
f = open(gpx_file, "wb")
f.write(document.toGPX().toprettyxml(encoding="utf-8"))
f.close()
self.track_points = []
self.way_points = []
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. """
import sys
import zmq
from gps_data_pb2 import GpsData
from gpxdata import TrackPoint, TrackSegment, Track, Document
from zmq_ipc import generate_map
socket = generate_map('gpx_logger')['gps']
gps_data = GpsData()
segment = TrackSegment()
try:
while True:
str = socket.recv()
gps_data.ParseFromString(str)
print gps_data
point = TrackPoint(gps_data.lat, gps_data.lon, gps_data.alt)
segment.appendPoint(point)
except:
pass
track = Track(
name="Copter Track",
description="Track recorded using the copter's onboard GPS module")
track.appendSegment(segment)
doc = Document([track], name="Copter GPX Document")
doc.writeGPX(sys.stdout)
