def subirdatosVacas(diccionario):
db = MySQLdb.connect('localhost', 'root', 'ufro_vacas', 'Vacas')
cursor = db.cursor()
creaTablaSiNoExiste(diccionario, db, cursor)
Latitud = sexa2deci(diccionario['location'][0], diccionario['location'][1],
diccionario['location'][2], 0)
Longitud = sexa2deci(diccionario['location'][3],
diccionario['location'][4],
diccionario['location'][5], 0)
v_s = 3.6 / 4096 * diccionario['bateria']
v_bat = (v_s - 0.7) * 16 / 5 + 0.7
print(diccionario['t_unix'])
date = str(
datetime.datetime.utcfromtimestamp(
diccionario['t_unix'] + timeESP32).strftime("%Y-%m-%d %H:%M:%S"))
tupla = (str(date), v_bat, (str(diccionario['sensors']['GPS'])).upper(),
(str(diccionario['sensors']['IMU'])).upper(),
(str(diccionario['sensors']['SD'])).upper(),
(str(diccionario['sensors']['MIC'])).upper(),
(str(not (diccionario['C_close']))).upper(), Latitud, Longitud)
# Inserta los datos a la base de datos
cursor.execute(
"""INSERT INTO Vaca{} (Fecha,Nivel_Bateria,Datos_GPS,Datos_IMU,\
Estado_SD,Datos_Microfono,Collar_Abierto,Latitud, Longitud)\
VALUES ('%s',%f,%s,%s,%s,%s,%s,%f,%f)""".format(
diccionario['address']) % tupla)
db.commit()
db.close()
def save_datLoRa():
contador = 0
global cola1
global stop_th
while True:
while cola1.vacia():
if stop_th:
break
if stop_th:
break
#os.system("clear")
dato = desempaquetar(cola1.extraer())
Latitud = sexa2deci(dato['location'][0], dato['location'][1],
dato['location'][2], 0)
Longitud = sexa2deci(dato['location'][3], dato['location'][4],
dato['location'][5], 0)
pickle.dump({
'Latitud': Latitud,
'Longitud': Longitud
},
open(
"/home/pi/datos/vaca_ID{}.dat".format(dato['address']),
'wb'),
protocol=2)
print(dato)
subirdatosVacas(dato)
contador += 1
print("Server2 Iniciado")
print("Radio LoRa encendida")
print("{} Paquetes Recibidos".format(contador))
def test_sexa2deci():
assert sexa2deci(1, 1, 0, 0) == 1
assert sexa2deci(-1, 1, 0, 0) == -1
assert sexa2deci(1, 23, 59, 59.99999) == 23 + 59 / 60.0 + 59.99999 / 3600.0
assert sexa2deci(-1, 23, 59,
59.99999) == -1 * (23 + 59 / 60.0 + 59.99999 / 3600.0)
def save_datLoRa():
contador=0
global cola1
global stop_th
while True:
while cola1.vacia():
if stop_th:
break
if stop_th:
break
#os.system("clear")
data = cola1.extraer()
dato=desempaquetar(data[0])#Desempaquetado y extracción de la cola
Latitud=sexa2deci(dato['location'][0],dato['location'][1],dato['location'][2],0)
Longitud=sexa2deci(dato['location'][3],dato['location'][4],dato['location'][5],0)
try:
pickle.dump({'Latitud':Latitud,'Longitud':Longitud},open("/home/pi/datos/vaca_ID{}.dat".format(dato['address']),'wb'),protocol=2)
except:
debugmsg("Error al guardar en .dat")
try:
subirdatosVacas(dato)
print(dato)
print("RSSI : {}[dBm]".format(data[1]))
except:
debugmsg("Error al subir en Servidor")
contador += 1
print("Server2 Iniciado")
print("Radio LoRa encendida")
print("{} Paquetes Recibidos".format(contador))
def radec2gal(self):
"""
Compute the ra,dec (J2000) from Az,El location and time
"""
rads = np.pi / 180.
radec2000 = ephem.Equatorial( rads*self.ra, rads*self.dec, epoch=ephem.J2000)
# to convert to dec degrees need to replace on : with d
self.epoch = "2000"
gal = ephem.Galactic(radec2000)
aparts = angles.phmsdms(str(gal.lon))
self.gallon = angles.sexa2deci(aparts['sign'], *aparts['vals'])
aparts = angles.phmsdms(str(gal.lat))
self.gallat = angles.sexa2deci(aparts['sign'], *aparts['vals'])
def azel2radec(self):
"""
Compute the ra,dec (J2000) from Az,El location and time
"""
if ephemOK:
location = ephem.Observer()
location.lon = str(self.tellon)
location.lat = str(self.tellat)
location.elevation = self.telelev
strnow = self.utc.isoformat()
# convert Time string format into value for Observer
dates = strnow.split('T')
datestr = dates[0] + ' ' + dates[1]
if ephemOK:
location.date = datestr
# compute Local Sidereal Time
lst = location.sidereal_time()
aparts = angles.phmsdms(str(lst))
self.lst = angles.sexa2deci(aparts['sign'],
*aparts['vals'],
todeg=True)
## Must set the date before calculating ra, dec!!!
# compute apparent RA,DEC for date of observations
ra_a, dec_a = location.radec_of(str(self.telaz), str(self.telel))
radec = ephem.Equatorial(ra_a, dec_a, epoch=datestr)
radec2000 = ephem.Equatorial(radec, epoch=ephem.J2000)
# Hours
aparts = angles.phmsdms(str(radec2000.ra))
self.ra = angles.sexa2deci(aparts['sign'],
*aparts['vals'],
todeg=True)
# to convert to dec degrees need to replace on : with d
aparts = angles.phmsdms(str(radec2000.dec))
self.dec = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.epoch = "2000"
# now update galactic coordinates
if ephemOK:
self.radec2gal()
sun = ephem.Sun(location)
aparts = angles.phmsdms(str(sun.az))
self.az_sun = angles.sexa2deci(aparts['sign'], *aparts['vals'])
aparts = angles.phmsdms(str(sun.alt))
self.altsun = angles.sexa2deci(aparts['sign'], *aparts['vals'])
def subirdatosVacas(diccionario):
creaTablaSiNoExiste(diccionario)
global cursor
global db
Latitud = sexa2deci(diccionario['position'][0], diccionario['position'][1],
diccionario['position'][2], 0)
Longitud = sexa2deci(diccionario['position'][3],
diccionario['position'][4],
diccionario['position'][5], 0)
tupla = (diccionario['address'], diccionario['t_unix'],
diccionario['bateria'], diccionario['sensors']['GPS'],
diccionario['sensors']['IMU'], diccionario['sensors']['SD'],
diccionario['sensors']['MIC'], not diccionario['C_close'],
Latitud, Longitud)
# Inserta los datos a la base de datos
cursor.execute(
"INSERT INTO Vaca{0} (ID,Fecha,Nivel_Bateria,Datos_GPS,Datos_IMU,Estado_SD,Datos_Microfono,Collar_Abierto,Latitud, Longitud) VALUES (%s,%s,%s,%b,%b,%b,%b,%s,%f,%f)"
.format(diccionario['address']), tupla)
db.commit()
db.close()
def calcazel(ra, dec, longitude=-79.8397, latitude=38.4331, elevation=800.):
"""
Compute the ra,dec (J2000) from Az,El location and time
"""
location = ephem.Observer()
location.lon = angles.d2r(longitude)
location.lat = angles.d2r(latitude)
location.elevation = elevation
now = datetime.datetime.utcnow()
strnow = now.isoformat()
dates = strnow.split('T')
datestr = dates[0] + ' ' + dates[1]
location.date = datestr
lst = location.sidereal_time()
fmt = 'Date = %s, LST = %s'
print fmt % (datestr, lst)
# first put ra,dec in ephemeris format
radec2000 = ephem.Equatorial( ra, dec, epoch=ephem.J2000)
# now compute ra, dec of date
radec = ephem.Equatorial(radec2000.ra, radec2000.dec, epoch=datestr)
print 'Ra,Dec = %s, %s (J2000)' % (radec2000.ra, radec2000.dec)
gal = ephem.Galactic(radec2000)
print 'Lon,Lat= %s, %s (Galactic)' % (gal.lon, gal.lat)
object = ephem.FixedBody()
object._ra = radec.ra
object._dec = radec.dec
object.compute(location)
# need to turn dd:mm:ss into float
aparts = angles.phmsdms(str(object.az))
az = angles.sexa2deci(aparts['sign'], *aparts['vals'], todeg=False)
aparts = angles.phmsdms(str(object.alt))
el = angles.sexa2deci(aparts['sign'], *aparts['vals'], todeg=False)
# print "Az: %s -> %f" % (str(object.az), az)
# print "El: %s -> %f" % (str(object.alt), el)
fmt = 'Az, El = %.2f, %.2f (degrees)'
print fmt % (az, el)
return az, el
def azel2radec(self):
"""
Compute the ra,dec (J2000) from Az,El location and time
"""
location = ephem.Observer()
location.lon = str(self.tellon)
location.lat = str(self.tellat)
location.elevation = self.telelev
strnow = self.utc.isoformat()
# convert Time string format into value for Observer
dates = strnow.split('T')
datestr = dates[0] + ' ' + dates[1]
location.date = datestr
# compute Local Sidereal Time
lst = location.sidereal_time()
aparts = angles.phmsdms(str(lst))
self.lst = angles.sexa2deci(aparts['sign'],
*aparts['vals'],
todeg=True)
## Must set the date before calculating ra, dec!!!
# compute apparent RA,DEC for date of observations
ra_a, dec_a = location.radec_of(str(self.telaz), str(self.telel))
fmt = 'Date = %s, LST = %s, %f (%f, %f)'
# print fmt % (datestr, lst, self.lst, self.telaz, self.telel)
radec = ephem.Equatorial(ra_a, dec_a, epoch=datestr)
# print 'Ra,Dec %s,%s for %s' % (radec.ra, radec.dec, radec.epoch)
radec2000 = ephem.Equatorial(radec, epoch=ephem.J2000)
# print 'Ra,Dec %s,%s for %s' % (radec2000.ra, radec2000.dec, radec2000.epoch)
# Hours
aparts = angles.phmsdms(str(radec2000.ra))
self.ra = angles.sexa2deci(aparts['sign'], *aparts['vals'], todeg=True)
# to convert to dec degrees need to replace on : with d
aparts = angles.phmsdms(str(radec2000.dec))
self.dec = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.epoch = "2000"
gal = ephem.Galactic(radec2000)
aparts = angles.phmsdms(str(gal.lon))
self.gallon = angles.sexa2deci(aparts['sign'], *aparts['vals'])
aparts = angles.phmsdms(str(gal.lat))
self.gallat = angles.sexa2deci(aparts['sign'], *aparts['vals'])
sun = ephem.Sun(location)
aparts = angles.phmsdms(str(sun.az))
self.az_sun = angles.sexa2deci(aparts['sign'], *aparts['vals'])
aparts = angles.phmsdms(str(sun.alt))
self.altsun = angles.sexa2deci(aparts['sign'], *aparts['vals'])
def read_spec_ast(self, fullname):
"""
Read an ascii radio Spectrum file or an event in radio samples and
fill a Spectrum object
"""
# turn on/off printing
verbose = True
verbose = False
# Read the file.
try:
if os.path.isfile(fullname):
f2 = open(fullname, 'r')
except:
print("Can Not open File: %s" % (fullname))
self.nChan = 0
self.nSamples = 0
return
# read the whole file into a single variable, which is a list of every row of the file.
inlines = f2.readlines()
f2.close()
# initialize some variable to be lists:
x1 = []
y1 = []
y2 = []
datacount = 0
linecount = 0
# scan the rows of the file stored in lines, and put the values into some variables:
for line in inlines:
parts = line.split()
if linecount == 0:
parts[1] = parts[1].upper()
if parts[1] != 'FILE:':
print("")
print("read_spec_ascii input error!")
print("")
print("Input not an NSF Spectrum file:", fullname)
exit()
linecount = linecount + 1
# if a very short or blank line
if len(line) < 3:
continue
if linecount == 2:
self.noteA = line[2:].replace('\n', '')
# if a comment or parameter line, decode value
if line[0] == '#':
# parse keywords as upper case: ie Ra == RA
parts[1] = parts[1].upper()
if parts[1] == 'UTC':
timefmt = "%Y-%m-%d %H:%M:%S.%f"
utc = datetime.datetime.strptime(parts[3] + " " + parts[4],
timefmt)
self.utc = utc
if parts[1] == "SECONDS":
self.seconds = float(parts[3])
if parts[1] == 'CENTERFREQ':
self.centerFreqHz = float(parts[3])
if parts[1] == 'CENTERFREQ=':
self.centerFreqHz = float(parts[2])
if parts[1] == 'BANDWIDTH':
self.bandwidthHz = float(parts[3])
if parts[1] == 'DURATION':
self.durationSec = float(parts[3])
if parts[1] == 'DELTAX':
self.deltaFreq = float(parts[3])
if parts[1] == 'LST':
lstparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(lstparts['sign'], *lstparts['vals'])
self.lst = x * 15. # convert back to degrees
if verbose:
print(parts[3], x)
if parts[1] == 'AZ':
self.telaz = degree2float(parts[3], parts[1])
if parts[1] == 'EL':
self.telel = degree2float(parts[3], parts[1])
if parts[1] == 'COUNT':
self.count = int(parts[3])
if parts[1] == 'NCHAN':
self.nChan = int(parts[3])
if self.nChan > self.nSamples:
nData = max(self.nChan, self.nSamples)
self.xdata = np.zeros(nData)
self.ydataA = np.zeros(nData)
self.ydataB = np.zeros(nData)
if parts[1] == 'NSAMPLES':
self.nSamples = int(parts[3])
if self.nChan < self.nSamples:
nData = max(self.nChan, self.nSamples)
self.xdata = np.zeros(nData)
self.ydataA = np.zeros(nData)
self.ydataB = np.zeros(nData)
if parts[1] == 'BUNIT':
otherparts = line.split('=')
self.bunit = str(otherparts[1]).strip()
if verbose:
print('Bunit ', self.bunit)
if parts[1] == 'NSPEC':
self.nSpec = int(parts[3])
if parts[1] == 'NTIME':
self.nTime = int(parts[3])
if self.nTime > 0:
self.nSpec = 0
if parts[1] == 'NAVE':
self.nave = int(parts[3])
if parts[1] == 'NMEDIAN':
self.nmedian = int(parts[3])
if parts[1] == 'REFCHAN':
self.refChan = float(parts[3])
if parts[1] == 'REFSAMPL':
self.refSample = float(parts[3])
if parts[1] == 'FFT_RATE':
self.fft_rate = int(parts[3])
if self.fft_rate < 1:
self.fft_rate = 1
if parts[1] == 'ETAA':
self.etaA = float(parts[3])
if parts[1] == 'ETAB':
self.etaB = float(parts[3])
if parts[1] == 'POLANGLE':
self.polAngle = float(parts[3])
if parts[1] == 'EPEAK':
self.epeak = float(parts[3])
if parts[1] == 'ERMS':
self.erms = float(parts[3])
if parts[1] == 'EMJD':
self.emjd = float(parts[3])
# parse GAIN1 = 10. etc; but ignore GAINS = line
apart = parts[1]
ifind = apart.find("GAIN")
if ifind >= 0:
if verbose:
print(parts)
gainnumber = str(apart[ifind + 4])
if gainnumber.isdigit():
i = int(gainnumber)
n = len(parts)
self.gains[i - 1] = float(parts[n - 1])
if verbose:
print('Gain %d: %f' % (i, self.gains[i - 1]))
if parts[1] == 'OBSERVER':
otherparts = line.split('=')
self.observer = str(otherparts[1]).strip()
if verbose:
print('Observer: ', self.observer)
if parts[1] == 'DEVICE':
otherparts = line.split('=', 1)
if len(otherparts) > 1:
self.device = str(otherparts[1]).strip()
else:
print('Error parsing device : ', line)
if verbose:
print('Device : ', self.device)
if parts[1] == 'DATADIR':
otherparts = line.split('=', 1)
if len(otherparts) > 1:
self.datadir = str(otherparts[1]).strip()
else:
print('Error parsing datadir : ', line)
if verbose:
print('DataDir : ', self.datadir)
if parts[1] == 'SITE':
otherparts = line.split('=')
self.site = str(otherparts[1]).strip()
self.noteA = self.site # site is new note in interface
if verbose:
print('Site : ', self.site)
if parts[1] == 'CITY':
otherparts = line.split('=')
self.city = str(otherparts[1]).strip()
if verbose:
print('City : ', self.city)
if parts[1] == 'REGION':
otherparts = line.split('=')
self.region = str(otherparts[1]).strip()
if verbose:
print('Region : ', self.region)
if parts[1] == 'COUNTRY':
otherparts = line.split('=')
self.country = str(otherparts[1]).strip()
if verbose:
print('Country : ', self.country)
if parts[1] == 'NOTEA':
otherparts = line.split('=')
self.noteA = str(otherparts[1]).strip()
if verbose:
print('Note A : ', self.noteA)
if parts[1] == 'NOTEB':
otherparts = line.split('=')
self.noteB = str(otherparts[1]).strip()
if verbose:
print('Note B : ', self.noteB)
if parts[1] == 'AST_VERS':
otherparts = line.split('=')
if verbose:
self.version = str(otherparts[1]).strip()
if parts[1] == 'FRAME':
otherparts = line.split('=')
self.frame = str(otherparts[1]).strip()
if verbose:
print('FRAME : ', self.frame)
if parts[1] == 'TELTYPE':
otherparts = line.split('=')
self.telType = str(otherparts[1]).strip()
if verbose:
print('Tel Type: ', self.telType)
if parts[1] == 'LON' or parts[1] == 'GALLON':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.gallon = x
if parts[1] == 'LAT' or parts[1] == 'GALLAT':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.gallat = x
# if parse telescope geographic latitude and longitude into float
if parts[1] == 'TELLON':
self.tellon = degree2float(parts[3], parts[1])
if parts[1] == 'TELLAT':
self.tellat = degree2float(parts[3], parts[1])
# parse ra, dec into float
if parts[1] == 'RA':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.ra = x * 15. # convert back to degrees
if verbose:
print('RA', parts[3], aparts, x)
if parts[1] == 'DEC':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.dec = x
# if sun coordinates into a float
if parts[1] == 'ALT_SUN':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.altsun = x
if parts[1] == 'AZ_SUN':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.az_sun = x
# this is the end of the if first character is a # IF statement
continue
# sometimes there are user comments in the top few lines; ignore
if linecount < 5:
continue
# start data processing
datacount = datacount + 1
p = line.split()
nparts = len(p)
if nparts < 2:
continue
if self.nSpec > 0: # if there are spectra in the file
try:
x1.append(float(p[1]))
except:
x1.append(0.0)
try:
y1.append(float(p[2]))
except:
y1.append(0.0)
if self.nSpec > 1:
try:
y2.append(float(p[3]))
except:
y2.append(0.0)
#else this file contains an event; a time series of samples
if self.nTime > 0:
if nparts == 2:
# event time format: I, Q
# p[0] is index, which is skipped in processing
try:
y1.append(float(p[0]))
except:
y1.append(0.0)
try:
y2.append(float(p[1]))
except:
y2.append(0.0)
else:
# event time format: index, dt, I, Q
# p[0] is index, which is skipped in processing
try:
x1.append(float(p[1]))
except:
x1.append(0.0)
try:
y1.append(float(p[2]))
except:
y1.append(0.0)
try:
y2.append(float(p[3]))
except:
y2.append(0.0)
# at this point all data and header keywords are read
self.ydataA = np.array(y1) # always transfer values series
nData = len(self.ydataA)
if self.nSpec > 0:
self.xdata = np.array(x1) # transfer x axis; channels or time
if self.nSpec > 1: # if more than one spectrum
self.ydataB = np.array(y2) # transfer it too
self.nChan = nData
self.nSamples = 0
if self.nTime > 0:
self.nSamples = nData
self.nChan = 0
self.ydataB = np.array(y2) # transfer Q samples
dt = 1. / (self.bandwidthHz) # compute time per sample
t = -dt * self.refSample # time tag relative to reference sample
if verbose:
print("Time Offset of First Sample (%d): %15.9f (s)" %
(self.refSample, t))
self.xdata = np.zeros(self.nSamples)
for iii in range(self.nSamples):
self.xdata[iii] = t
t += dt
if self.refChan <= 1.:
self.refChan = self.nChan / 2
return #end of read_spec_ascii
maxvel = 180. minvel = -180. # define the reference location and FWHM raStr = sys.argv[1] decStr = sys.argv[2] # will use sum within FWHM and take the reference as 1 to 2 FWHM radec2000 = ephem.Equatorial( raStr, decStr, epoch=ephem.J2000) print 'Ra,Dec = %s, %s (J2000)' % (radec2000.ra, radec2000.dec) #radec = ephem.Equatorial(radec2000.ra, radec2000.dec, epoch=datestr) gal = ephem.Galactic(radec2000) print 'Lon,Lat= %s, %s (Galactic)' % (gal.lon, gal.lat) # need to turn dd:mm:ss into float aparts = angles.phmsdms(raStr) ra0 = angles.sexa2deci(aparts['sign'], *aparts['vals'], todeg=True) aparts = angles.phmsdms(decStr) dec0 = angles.sexa2deci(aparts['sign'], *aparts['vals'], todeg=False) print 'ra,dec: ', ra0,dec0 # convert to radians ra0 = angles.d2r( ra0) dec0 = angles.d2r( dec0) c = 299792. # (v km/sec) nuh1 = 1420.4056 # neutral hydrogen frequency (MHz) thot = 285.0 # define hot and cold #thot = 272.0 # 30 Farenheit = 272 K tcold = 10.0 tmin = 20.0 tmax = 999.0 # define reasoanable value limits
def read_spec_ast(self, fullname):
"""
Read an ascii radio Spectrum file and return a radioSpectrum object
"""
# turn on/off printing
verbose = True
verbose = False
# Read the file.
f2 = open(fullname, 'r')
# read the whole file into a single variable, which is a list of every row of the file.
lines = f2.readlines()
f2.close()
# initialize some variable to be lists:
x1 = []
y1 = []
y2 = []
datacount = 0
linecount = 0
# scan the rows of the file stored in lines, and put the values into some variables:
for line in lines:
parts = line.split()
if linecount == 0:
parts[1] = parts[1].upper()
if parts[1] != 'FILE:':
print ""
print "read_spec_ascii input error!"
print ""
print "Input not an NSF Spectrum file:", fullname
exit()
linecount = linecount + 1
# if a very short or blank line
if len(line) < 3:
continue
if linecount == 2:
self.noteA = line[2:].replace('\n', '')
# if a comment or parameter line, decode value
if line[0] == '#':
# parse keywords as upper case: ie Ra == RA
parts[1] = parts[1].upper()
if parts[1] == 'UTC':
timefmt = "%Y-%m-%d %H:%M:%S.%f"
utc = datetime.datetime.strptime(parts[3] + " " + parts[4], timefmt)
self.utc = utc
if parts[1] == 'CENTERFREQ':
self.centerFreqHz = float(parts[3])
if parts[1] == 'CENTERFREQ=':
self.centerFreqHz = float(parts[2])
if parts[1] == 'BANDWIDTH':
self.bandwidthHz = float(parts[3])
if parts[1] == 'DURATION':
self.durationSec = float(parts[3])
if parts[1] == 'DELTAX':
self.deltaFreq = float(parts[3])
if parts[1] == 'LST':
lstparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(lstparts['sign'], *lstparts['vals'])
self.lst = x*15. # convert back to degrees
if verbose:
print parts[3], x
if parts[1] == 'AZ':
self.telaz = degree2float(parts[3], parts[1])
if parts[1] == 'EL':
self.telel = degree2float(parts[3], parts[1])
if parts[1] == 'COUNT':
self.count = int(parts[3])
if parts[1] == 'NCHAN':
self.nChan = int(parts[3])
if parts[1] == 'BUNIT':
otherparts = line.split('=')
self.bunit = str( otherparts[1]).strip()
if verbose:
print 'Bunit ', self.bunit
if parts[1] == 'NSPEC':
self.nSpec = int(parts[3])
if parts[1] == 'NAVE':
self.nave = int(parts[3])
if parts[1] == 'NMEDIAN':
self.nmedian = int(parts[3])
if parts[1] == 'REFCHAN':
self.refChan = float(parts[3])
if parts[1] == 'FFT_RATE':
self.fft_rate = int(parts[3])
if self.fft_rate < 1:
self.fft_rate = 1
if parts[1] == 'ETAA':
self.etaA = float(parts[3])
if parts[1] == 'ETAB':
self.etaB = float(parts[3])
if parts[1] == 'POLANGLE':
self.polAngle = float(parts[3])
if parts[1] == 'LNA' or parts[1] == 'GAINS': # get one or more gains separated by ';'
gains = []
for jjj in range(3, len(parts)):
gainstr = parts[jjj].replace(';', ' ')
gainstr = gainstr.replace(',', ' ')
moreparts = gainstr.split()
for kkk in range(len(moreparts)):
gains.append(float(moreparts[kkk]))
if verbose:
print 'read: parts: ', parts
print 'read: gains: ', gains
self.gains = numpy.array(gains)
if parts[1] == 'LNA=' or parts[1] == 'GAINS=': # get one or more gains separated by ';'
gains = []
for jjj in range(2, len(parts)):
gainstr = parts[jjj].replace(';', ' ')
gainstr = gainstr.replace(',', ' ')
moreparts = gainstr.split()
for kkk in range(len(moreparts)):
gains.append(float(moreparts[kkk]))
self.gains = numpy.array(gains)
apart = parts[1]
if apart[0:3] == 'GAIN':
i = int( apart[4])
if i > 0 and i < 6:
n = len( parts)
self.gains[i-1] = float( parts[n-1])
else:
if apart[4] != 'S':
print "Error parsing GAINn: ", line
if parts[1] == 'OBSERVER':
otherparts = line.split('=')
self.observer = str( otherparts[1]).strip()
if verbose:
print 'Observer: ', self.observer
if parts[1] == 'DEVICE':
otherparts = line.split('=', 1)
if len(otherparts) > 1:
self.device = str( otherparts[1]).strip()
else:
print 'Error parsing device : ', line
if verbose:
print 'Device : ', self.device
if parts[1] == 'DATADIR':
otherparts = line.split('=', 1)
if len(otherparts) > 1:
self.datadir = str( otherparts[1]).strip()
else:
print 'Error parsing datadir : ', line
if verbose:
print 'DataDir : ', self.datadir
if parts[1] == 'SITE':
otherparts = line.split('=')
self.site = str( otherparts[1]).strip()
if verbose:
print 'Site : ', self.site
if parts[1] == 'CITY':
otherparts = line.split('=')
self.city = str( otherparts[1]).strip()
if verbose:
print 'City : ', self.city
if parts[1] == 'REGION':
otherparts = line.split('=')
self.region = str( otherparts[1]).strip()
if verbose:
print 'Region : ', self.region
if parts[1] == 'COUNTRY':
otherparts = line.split('=')
self.country = str( otherparts[1]).strip()
if verbose:
print 'Country : ', self.country
if parts[1] == 'NOTEA':
otherparts = line.split('=')
self.noteA = str( otherparts[1]).strip()
if verbose:
print 'Note A : ', self.noteA
if parts[1] == 'NOTEB':
otherparts = line.split('=')
self.noteB = str( otherparts[1]).strip()
if verbose:
print 'Note B : ', self.noteB
if parts[1] == 'AST_VERS':
otherparts = line.split('=')
if verbose:
self.version = str( otherparts[1]).strip()
if parts[1] == 'FRAME':
otherparts = line.split('=')
self.frame = str( otherparts[1]).strip()
if verbose:
print 'FRAME : ', self.frame
if parts[1] == 'TELTYPE':
otherparts = line.split('=')
self.telType = str( otherparts[1]).strip()
if verbose:
print 'Tel Type: ', self.telType
if parts[1] == 'LON' or parts[1] == 'GALLON':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.gallon = x
if parts[1] == 'LAT' or parts[1] == 'GALLAT':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.gallat = x
# if parse telescope geographic latitude and longitude into float
if parts[1] == 'TELLON':
self.tellon = degree2float(parts[3], parts[1])
if parts[1] == 'TELLAT':
self.tellat = degree2float(parts[3], parts[1])
# parse ra, dec into float
if parts[1] == 'RA':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.ra = x * 15. # convert back to degrees
if verbose:
print 'RA', parts[3], aparts, x
if parts[1] == 'DEC':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.dec = x
# if sun coordinates into a float
if parts[1] == 'ALT_SUN':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.altsun = x
if parts[1] == 'AZ_SUN':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.az_sun = x
# this is the end of the if first character is a # IF statement
continue
# sometimes there are user comments in the top few lines; ignore
if linecount < 5:
continue
# start data processing
datacount = datacount+1
p = line.split()
np = len(p)
if (np < 3):
continue
try:
x1.append(float(p[1]))
except:
x1.append( 0.0)
try:
y1.append(float(p[2]))
except:
y1.append( 0.0)
if self.nSpec > 1:
try:
y2.append(float(p[3]))
except:
y2.append( 0.0)
# at this point all data and header keywords are read
self.xdata = numpy.array(x1) # transfer
self.ydataA = numpy.array(y1) # always transfer 1 spectrum
if self.nSpec > 1: # if more than one spectrum
self.ydataB = numpy.array(y2) # transfer it too
ndata = len(self.xdata)
if self.nChan != ndata:
print "File header Miss-match and number of channels in data"
print ": %f != %f" % (self.nChan, ndata)
self.nChan = int(ndata)
return
def read_spec_ast(self, fullname):
"""
Read an ascii radio Spectrum file and return a radioSpectrum object
"""
# Read the file.
f2 = open(fullname, 'r')
# read the whole file into a single variable, which is a list of every row of the file.
lines = f2.readlines()
f2.close()
# initialize some variable to be lists:
x1 = []
y1 = []
datacount = 0
linecount = 0
# scan the rows of the file stored in lines, and put the values into some variables:
for line in lines:
parts = line.split()
linecount = linecount + 1
# if a very short or blank line
if len(line) < 3:
continue
if linecount == 2:
self.noteA = line[2:].replace('\n', '')
# if a comment or parameter line, decode value
if line[0] == '#':
# parse keywords as upper case: ie Ra == RA
parts[1] = parts[1].upper()
if parts[1] == 'UTC':
timefmt = "%Y-%m-%d %H:%M:%S.%f"
utc = datetime.datetime.strptime(parts[3] + " " + parts[4], timefmt)
self.utc = utc
if parts[1] == 'CENTERFREQ':
self.centerFreqHz = float(parts[3])
if parts[1] == 'CENTERFREQ=':
self.centerFreqHz = float(parts[2])
if parts[1] == 'BANDWIDTH':
self.bandwidthHz = float(parts[3])
if parts[1] == 'DELTAX':
self.deltaFreq = float(parts[3])
if parts[1] == 'LST':
lstparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(lstparts['sign'], *lstparts['vals'])
self.lst = x*15. # convert back to degrees
# print parts[3], x
if parts[1] == 'AZ':
self.telaz = degree2float(parts[3], parts[1])
if parts[1] == 'EL':
self.telel = degree2float(parts[3], parts[1])
if parts[1] == 'COUNT':
self.count = int(parts[3])
if parts[1] == 'NCHAN':
self.nChan = int(parts[3])
if parts[1] == 'REFCHAN':
self.refChan = float(parts[3])
if parts[1] == 'ETAA':
self.etaA = float(parts[3])
if parts[1] == 'ETAB':
self.etaB = float(parts[3])
if parts[1] == 'POLANGLE':
self.polAngle = float(parts[3])
if parts[1] == 'LNA' or parts[1] == 'GAINS': # get one or more gains separated by ';'
gains = []
for jjj in range(3, len(parts)):
gainstr = parts[jjj].replace(';', ' ')
gainstr = gainstr.replace(',', ' ')
moreparts = gainstr.split()
for kkk in range(len(moreparts)):
gains.append(float(moreparts[kkk]))
self.gains = numpy.array(gains)
if parts[1] == 'LNA=' or parts[1] == 'GAINS=': # get one or more gains separated by ';'
gains = []
for jjj in range(2, len(parts)):
gainstr = parts[jjj].replace(';', ' ')
gainstr = gainstr.replace(',', ' ')
moreparts = gainstr.split()
for kkk in range(len(moreparts)):
gains.append(float(moreparts[kkk]))
self.gains = numpy.array(gains)
if parts[1] == 'DURATION':
self.durationSec = time2float(parts[3], parts[1])
if parts[1] == 'LON' or parts[1] == 'GALLON':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.gallon = x
if parts[1] == 'LAT' or parts[1] == 'GALLAT':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.gallat = x
# if parse telescope geographic latitude and longitude into float
if parts[1] == 'TELLON':
self.tellon = degree2float(parts[3], parts[1])
if parts[1] == 'TELLAT':
self.tellat = degree2float(parts[3], parts[1])
# parse ra, dec into float
if parts[1] == 'RA':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.ra = x * 15. # convert back to degrees
# print 'RA', parts[3], aparts, x
if parts[1] == 'DEC':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.dec = x
# if sun coordinates into a float
if parts[1] == 'ALT_SUN':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.altsun = x
if parts[1] == 'AZ_SUN':
aparts = angles.phmsdms(parts[3])
x = angles.sexa2deci(aparts['sign'], *aparts['vals'])
self.az_sun = x
continue
# sometimes there are user comments in the top few lines; ignore
if linecount < 5:
continue
# start data processing
datacount = datacount+1
p = line.split()
x1.append(float(p[1]))
y1.append(float(p[2]))
# at this point all data and header keywords are read
# self.xdata = numpy.array(x1)*1.e6 # convert to Hz
self.xdata = numpy.array(x1) # convert to Hz
self.ydataA = numpy.array(y1) #scale to a reasonable value for plotting
ndata = len(self.xdata)
if self.nChan != ndata:
print "File header Miss-match and number of channels in data"
print ": %f != %f" % (self.nChan, ndata)
self.nChan = int(ndata)
return
def test_sexa2deci():
assert sexa2deci(1, 1, 0, 0) == 1
assert sexa2deci(-1, 1, 0, 0) == -1
assert sexa2deci(1, 23, 59, 59.99999) == 23+59/60.0+59.99999/3600.0
assert sexa2deci(-1, 23, 59, 59.99999) == -1 * (23+59/60.0+59.99999/3600.0)
