def GGA(self, sim):
"Emit GGA sentence describing the simulation state."
tm = time.gmtime(sim.ksv.time)
gga = \
"$GPGGA,%02d%02d%02d,%09.4f,%c,%010.4f,%c,%d,%02d," % (
tm.tm_hour,
tm.tm_min,
tm.tm_sec,
self.degtodm(abs(sim.ksv.lat)), "SN"[sim.ksv.lat > 0],
self.degtodm(abs(sim.ksv.lon)), "WE"[sim.ksv.lon > 0],
sim.status,
sim.satellites_used)
# HDOP calculation goes here
gga += ","
if sim.mode == gps.MODE_3D:
gga += "%.1f,M" % self.ksv.lat
gga += ","
gga += "%.3f,M," % gpslib.wg84_separation(sim.ksv.lat, sim.ksv.lon)
# Magnetic variation goes here
# gga += "%3.2f,M," % mag_var
gga += ",,"
# Time in seconds since last DGPS update goes here
gga += ","
# DGPS station ID goes here
return self.add_checksum(gga)
def GGA(self, sim):
"Emit GGA sentence describing the simulation state."
tm = time.gmtime(sim.ksv.time)
gga = \
"$GPGGA,%02d%02d%02d,%09.4f,%c,%010.4f,%c,%d,%02d," % (
tm.tm_hour,
tm.tm_min,
tm.tm_sec,
self.degtodm(abs(sim.ksv.lat)), "SN"[sim.ksv.lat > 0],
self.degtodm(abs(sim.ksv.lon)), "WE"[sim.ksv.lon > 0],
sim.status,
sim.satellites_used)
# HDOP calculation goes here
gga += ","
if sim.mode == gps.MODE_3D:
gga += "%.1f,M" % self.ksv.lat
gga += ","
gga += "%.3f,M," % gpslib.wg84_separation(sim.ksv.lat, sim.ksv.lon)
# Magnetic variation goes here
# gga += "%3.2f,M," % mag_var
gga += ",,"
# Time in seconds since last DGPS update goes here
gga += ","
# DGPS station ID goes here
return self.add_checksum(gga)