def nmea_gga_store(self, datafile):
# Read file and take only the information GGA (global positioning system fix data) data
# Return:
# gga: dictionnary of GGA data parsing this way:
# {
# "0": {
# "lat": LAT in DD,
# "long": LONG in DD,
# "alt": ALT in m,
# "time": time in HHMMSS.DD
# },
# "1": {...
# }
# }
#read = self.fileopen(datafile)
read = open(datafile, 'r')
gga = {}
a = 1
b = 1
i = 0
for line in read.readlines():
if line[3:6] == 'GGA':
split = line.split(',')
if split[2] != '' or split[4] != '':
if split[3] == 'S':
a = -1
if split[5] == 'W':
b = -1
gga[i] = {'time': split[1], 'lat': a*tools.dm_to_dd(float(split[2])/100),
'long': b*tools.dm_to_dd(float(split[4])/100), 'alt': split[9]}
i += 1
read.close()
return gga
def nmea_rmc_store(self, datafile):
# Read data collected and store into matrix RMC data
# Return:
# rmc: {
# "0": {
# "E/W": EW - character - East/West indicator,
# "Course Over Ground": course_over_ground - degrees - numeric - Course over ground,
# "time": time - hhmmss.ss - UTC time,
# "N/S": NS - character - North/South indicator,
# "long": long - dddmm.mmmmm - Longitude (degrees & minutes),
# "lat": lat - ddmm.mmmmm - Latitude (degrees & minutes),
# "Speed Over Ground": speed_ovr_ground - knots - numeric - Speed over ground
# },
# "1": {...
# }
#}
file = self.fileopen(datafile)
rmc = {}
i = 0
for line in file:
if line[3:6] == 'RMC':
data = line.split(',')
if (data[3] and data[5]) != '':
time = data[1]
lat = tools.dm_to_dd(float(data[3]) / 100)
ns = data[4]
long = tools.dm_to_dd(float(data[5]) / 100)
ew = data[6]
speed_over_ground = data[7]
course_over_ground = data[8]
rmc[i] = {
'time': time,
'lat': lat,
'N/S': ns,
'long': long,
'E/W': ew,
'Speed Over Ground': speed_over_ground,
'Course Over Ground': course_over_ground
}
i += 1
file.close()
return rmc
def nmea_gga_store(self, datafile):
# Read file and take only the information GGA (global positioning system fix data) data
# Return:
# gga: dictionnary of GGA data parsing this way:
# {
# "0": {
# "lat": LAT in DD,
# "long": LONG in DD,
# "alt": ALT in m,
# "time": time in HHMMSS.DD
# },
# "1": {...
# }
# }
#read = self.fileopen(datafile)
read = open(datafile, 'r')
gga = {}
a = 1
b = 1
i = 0
for line in read.readlines():
if line[3:6] == 'GGA':
split = line.split(',')
if split[2] != '' or split[4] != '':
if split[3] == 'S':
a = -1
if split[5] == 'W':
b = -1
gga[i] = {
'time': split[1],
'lat': a * tools.dm_to_dd(float(split[2]) / 100),
'long': b * tools.dm_to_dd(float(split[4]) / 100),
'alt': split[9]
}
i += 1
read.close()
return gga
def nmea_rmc_store(self, datafile):
# Read data collected and store into matrix RMC data
# Return:
# rmc: {
# "0": {
# "E/W": EW - character - East/West indicator,
# "Course Over Ground": course_over_ground - degrees - numeric - Course over ground,
# "time": time - hhmmss.ss - UTC time,
# "N/S": NS - character - North/South indicator,
# "long": long - dddmm.mmmmm - Longitude (degrees & minutes),
# "lat": lat - ddmm.mmmmm - Latitude (degrees & minutes),
# "Speed Over Ground": speed_ovr_ground - knots - numeric - Speed over ground
# },
# "1": {...
# }
#}
file = self.fileopen(datafile)
rmc = {}
i = 0
for line in file:
if line[3:6] == 'RMC':
data = line.split(',')
if (data[3] and data[5]) != '':
time = data[1]
lat = tools.dm_to_dd(float(data[3])/100)
ns = data[4]
long = tools.dm_to_dd(float(data[5])/100)
ew = data[6]
speed_over_ground = data[7]
course_over_ground = data[8]
rmc[i] = {'time': time, 'lat': lat, 'N/S': ns, 'long': long, 'E/W': ew,
'Speed Over Ground': speed_over_ground,
'Course Over Ground': course_over_ground}
i += 1
file.close()
return rmc