def main():
# In the GPSTk there are multiple classes to manage time, depending
# on the specific operation that we want to carry out. This modular
# approach eases handling the many different time systems used in the
# modern Global Navigation Satellite Systems.
# Note, however, that in the GPSTk the unifying class to do time
# Computations is the 'CommonTime' class.
# Read current time from system clock
systime = gpstk.SystemTime()
# Convert to 'CommonTime', the standard way to handle time at GPSTk
comtime = systime.toCommonTime()
# This is the typical way to handle civil time
civtime = gpstk.CivilTime(comtime)
# The YDSTime class is very useful for common GNSS tasks
ydstime = gpstk.YDSTime(comtime)
# This is a typical class to handle time in GPS system
gpstime = gpstk.GPSWeekSecond(comtime)
# Class to handle Modified Julian Date
mjd = gpstk.MJD(comtime)
print "Hello world!"
print " The current civil time is", civtime
print " The current year is", ydstime.year
print " The current day of year is", ydstime.doy
print " The current second of day is", ydstime.sod
print " The current full GPS week is", gpstime.week
print " The current short GPS week is", gpstime.getModWeek()
print " The current day of GPS week is", gpstime.getDayOfWeek()
print " The current second of GPS week is", gpstime.sow
print " The current Modified Julian Date is", mjd
def main(args=sys.argv[1:]):
program_description = ("Converts from a given input time specification to "
"other time formats. Include the quotation marks. "
"All year values are four digit years.")
parser = argparse.ArgumentParser(description=program_description)
group = parser.add_mutually_exclusive_group()
group.add_argument("-A", "--ansi", help='"ANSI-Second"')
group.add_argument(
"-c",
"--civil",
help='"Month(numeric) DayOfMonth Year Hour:Minute:Second"')
group.add_argument(
"-R",
"--rinex",
help='"Year(2-digit) Month(numeric) DayOfMonth Hour Minute Second"')
group.add_argument("-o",
"--ews",
help='"GPSEpoch 10bitGPSweek SecondOfWeek"')
group.add_argument("-f", "--ws", help='"FullGPSWeek SecondOfWeek"')
group.add_argument("-w", "--wz", help='"FullGPSWeek Zcount"')
group.add_argument("--z29", help='"29bitZcount"')
group.add_argument("-Z", "--z32", help='"32bitZcount"')
group.add_argument("-j", "--julian", help='"JulianDate"')
group.add_argument("-m", "--mjd", help='"ModifiedJulianDate"')
group.add_argument("-u",
"--unixtime",
help='"UnixSeconds UnixMicroseconds"')
group.add_argument("-y", "--doy", help='"Year DayOfYear SecondsOfDay"')
parser.add_argument("-F",
"--output_format",
help="Time format to use on output")
parser.add_argument("-a",
"--add_offset",
type=int,
nargs="+",
help="add NUM seconds to specified time")
parser.add_argument("-s",
"--sub_offset",
type=int,
nargs="+",
help="subtract NUM seconds to specified time")
args = parser.parse_args(args)
# these format keys must match the long arg names
formats = {
"ansi": "%K",
"civil": "%m %d %Y %H:%M:%f",
"rinex": "%y %m %d %H %M %S",
"ews": "%E %G %g",
"ws": "%F %g",
"wz": "%F %Z",
"z29": "%E %c",
"z32": "%C",
"julian": "%J",
"mjd": "%Q",
"unixtime": "%U",
"doy": "%Y %j %s",
}
time_found = False
for key in formats:
input_time = getattr(args, key) # args.ansi, args.civil, etc.
if input_time is not None:
try:
ct = gpstk.scanTime(input_time, formats[key])
time_found = True
except gpstk.exceptions.InvalidRequest:
raise gpstk.exceptions.InvalidRequest(
"Input could not be parsed."
"\nCheck formatt, ensure that the input is both valid and in quotes."
"\nCheck if time is too early/late for these formats.")
if not time_found:
ct = gpstk.SystemTime().toCommonTime()
ct.setTimeSystem(gpstk.TimeSystem("GPS"))
if args.add_offset is not None:
for t in args.add_offset:
ct.addSeconds(float(t))
if args.sub_offset is not None:
for t in args.sub_offset:
ct.addSeconds(-float(t))
if args.output_format is not None:
print((gpstk.printTime(ct, args.output_format)))
else:
def left_align(txt: str):
spacing = " " * 8
return spacing + txt.ljust(31)
print("") # newline
print(left_align("Month/Day/Year H:M:S"), end=" ")
print(gpstk.CivilTime(ct))
print(left_align("Modified Julian Date"), end=" ")
print(gpstk.MJD(ct))
print(left_align("GPSweek DayOfWeek SecOfWeek"), end=" ")
print(gpstk.GPSWeekSecond(ct).printf("%G %w % 13.6g"))
print(left_align("FullGPSweek Zcount"), end=" ")
print(gpstk.GPSWeekZcount(ct).printf("%F % 6z"))
print(left_align("Year DayOfYear SecondOfDay"), end=" ")
print(gpstk.YDSTime(ct).printf("%Y %03j % 12.6s"))
print(left_align("Unix: Second Microsecond"), end=" ")
print(gpstk.UnixTime(ct).printf("%U % 6u"))
print(left_align("Zcount: 29-bit (32-bit)"), end=" ")
print(gpstk.GPSWeekZcount(ct).printf("%c (%C)"))
print("") # newline
def main(args=sys.argv[1:]):
program_description = ('Converts from a given input time specification to '
'other time formats. Include the quotation marks. '
'All year values are four digit years.')
parser = argparse.ArgumentParser(description=program_description)
group = parser.add_mutually_exclusive_group()
group.add_argument('-A', '--ansi', help='\"ANSI-Second\"')
group.add_argument('-c', '--civil',
help='\"Month(numeric) DayOfMonth Year Hour:Minute:Second\"')
group.add_argument('-R', '--rinex',
help='\"Year(2-digit) Month(numeric) DayOfMonth Hour Minute Second\"')
group.add_argument('-o', '--ews', help='\"GPSEpoch 10bitGPSweek SecondOfWeek\"')
group.add_argument('-f', '--ws', help='\"FullGPSWeek SecondOfWeek\"')
group.add_argument('-w', '--wz', help='\"FullGPSWeek Zcount\"')
group.add_argument('--z29', help='\"29bitZcount\"')
group.add_argument('-Z', '--z32', help='\"32bitZcount\"')
group.add_argument('-j', '--julian', help='\"JulianDate\"')
group.add_argument('-m', '--mjd', help='\"ModifiedJulianDate\"')
group.add_argument('-u', '--unixtime', help='\"UnixSeconds UnixMicroseconds\"')
group.add_argument('-y', '--doy', help='\"Year DayOfYear SecondsOfDay\"')
parser.add_argument('-F', '--output_format', help='Time format to use on output')
parser.add_argument('-a', '--add_offset', type=int, nargs='+',
help='add NUM seconds to specified time')
parser.add_argument('-s', '--sub_offset', type=int, nargs='+',
help='subtract NUM seconds to specified time')
args = parser.parse_args(args)
# these format keys must match the long arg names
formats = {
'ansi': '%K',
'civil': '%m %d %Y %H:%M:%f',
'rinex': '%y %m %d %H %M %S',
'ews': '%E %G %g',
'ws': '%F %g',
'wz': '%F %Z',
'z29': '%E %c',
'z32': '%C',
'julian': '%J',
'mjd': '%Q',
'unixtime': '%U',
'doy': '%Y %j %s'
}
time_found = False
for key in formats:
input_time = getattr(args, key) # args.ansi, args.civil, etc.
if input_time is not None:
try:
ct = gpstk.scanTime(input_time, formats[key])
time_found = True
except gpstk.exceptions.InvalidRequest:
raise gpstk.exceptions.InvalidRequest('Input could not be parsed.'
'\nCheck formatt, ensure that the input is both valid and in quotes.'
'\nCheck if time is too early/late for these formats.')
if not time_found:
ct = gpstk.SystemTime().toCommonTime()
ct.setTimeSystem(gpstk.TimeSystem('GPS'))
if args.add_offset is not None:
for t in args.add_offset:
ct.addSeconds(float(t))
if args.sub_offset is not None:
for t in args.sub_offset:
ct.addSeconds(-float(t))
if args.output_format is not None:
print((gpstk.printTime(ct, args.output_format)))
else:
def left_align(str):
spacing = ' ' * 8
return spacing + str.ljust(31)
print('') # newline
print(left_align('Month/Day/Year H:M:S'), end=' ')
print(gpstk.CivilTime(ct))
print(left_align('Modified Julian Date'), end=' ')
print(gpstk.MJD(ct))
print(left_align('GPSweek DayOfWeek SecOfWeek'), end=' ')
print(gpstk.GPSWeekSecond(ct).printf('%G %w % 13.6g'))
print(left_align('FullGPSweek Zcount'), end=' ')
print(gpstk.GPSWeekZcount(ct).printf('%F % 6z'))
print(left_align('Year DayOfYear SecondOfDay'), end=' ')
print(gpstk.YDSTime(ct).printf('%Y %03j % 12.6s'))
print(left_align('Unix: Second Microsecond'), end=' ')
print(gpstk.UnixTime(ct).printf('%U % 6u'))
print(left_align('Zcount: 29-bit (32-bit)'), end=' ')
print(gpstk.GPSWeekZcount(ct).printf('%c (%C)'))
print('') # newline
Usage: python example1.py """ from __future__ import print_function import gpstk # In the GPSTk there are multiple classes to manage time, depending # on the specific operation that we want to carry out. This modular # approach eases handling the many different time systems used in the # modern Global Navigation Satellite Systems. # Note, however, that in the GPSTk the unifying class to do time # Computations is the 'CommonTime' class. # Read current time from system clock systime = gpstk.SystemTime() # Convert to 'CommonTime', the standard way to handle time at GPSTk comtime = systime.toCommonTime() # This is the typical way to handle civil time civtime = gpstk.CivilTime(comtime) # The YDSTime class is very useful for common GNSS tasks ydstime = gpstk.YDSTime(comtime) # This is a typical class to handle time in GPS system gpstime = gpstk.GPSWeekSecond(comtime) # Class to handle Modified Julian Date mjd = gpstk.MJD(comtime)