def tsXML_to_psdXML(inxmlpath, outxmldir):
'''
Not too nice function for opening a TDIsignal xml file, reading the time-series' inside, calculate the PSDs for each, and then saving them in a similar xml file, but with the time-series replaced by PSDs. Will have to do for now.
'''
inxml = lisaxml.readXML(inxmlpath)
source = inxml.SourceData[0]
lisa = inxml.LISAData
tdiobs = inxml.TDIData[0]
inxml.close()
hr = 60.0**2
patches = int(tdiobs.TimeSeries.Duration / hr)
specAA = synthlisa.spect(tdiobs.A, tdiobs.TimeSeries.Cadence, patches)
specEE = synthlisa.spect(tdiobs.E, tdiobs.TimeSeries.Cadence, patches)
specTT = synthlisa.spect(tdiobs.T, tdiobs.TimeSeries.Cadence, patches)
f = specAA[:, 0]
pAA = specAA[:, 1]
pEE = specEE[:, 1]
pTT = specTT[:, 1]
pobs = lisaxml.Observable('f,pAA,pEE,pTT', DataType='FractionalFrequency')
pobs.TimeSeries = lisaxml.TimeSeries([f, pAA, pEE, pTT], 'f,pAA,pEE,pTT')
pobs.TimeSeries.Cadence = f[1] - f[0]
pobs.TimeSeries.Cadence_Unit = 'Hertz'
pobs.TimeSeries.TimeOffset = 0
pobs.TimeSeries.TimeOffset_Unit = 'Hertz'
inxmlname = os.path.basename(inxmlpath)
outxmlpath = outxmldir + re.sub('\.xml$', '', inxmlname) + '-psd.xml'
outxml = lisaxml.lisaXML(outxmlpath, author='J.Yu')
outxml.TDIData(pobs)
outxml.LISAData(lisa)
outxml.SourceData(source)
outxml.close()
return
def avg_psdXML_avg(day, psdlxmlpath, psdrxmlpath, psddir):
xmll = lisaxml.readXML(psdlxmlpath)
xmlr = lisaxml.readXML(psdrxmlpath)
sources = xmll.SourceData
lisa = xmll.LISAData
pobsl = xmll.TDIData[0]
pobsr = xmlr.TDIData[0]
xmll.close()
xmlr.close()
pAAl, pEEl, pTTl = pobsl.pAA, pobsl.pEE, pobsl.pTT
pAAr, pEEr, pTTr = pobsr.pAA, pobsr.pEE, pobsr.pTT
f = pobsl.f
pAA, pEE, pTT = (pAAl + pAAr) / 2, (pEEl + pEEr) / 2, (pTTl + pTTr) / 2
pobs = lisaxml.Observable('f,pAA,pEE,pTT', DataType='FractionalFrequency')
pobs.TimeSeries = lisaxml.TimeSeries([f, pAA, pEE, pTT], 'f,pAA,pEE,pTT')
pobs.TimeSeries.Cadence = pobsl.TimeSeries.Cadence
pobs.TimeSeries.Cadence_Unit = pobsl.TimeSeries.Cadence_Unit
pobs.TimeSeries.TimeOffset = pobsl.TimeSeries.TimeOffset
pobs.TimeSeries.TimeOffset_Unit = pobsl.TimeSeries.TimeOffset_Unit
psdlxmlname = os.path.basename(psdlxmlpath)
psdxmlname = re.split('-', psdlxmlname, 1)[0] + '-s%03d-psd.xml' % day
psdxmlpath = psddir + psdxmlname
psdxml = lisaxml.lisaXML(psdxmlpath, author='J.Yu')
psdxml.TDIData(pobs)
psdxml.LISAData(lisa)
for source in sources:
psdxml.SourceData(source)
psdxml.close()
return
if options.rawMeasurements:
y123 *= factor
y231 *= factor
y312 *= factor
y321 *= factor
y132 *= factor
y213 *= factor
z123 *= factor
z231 *= factor
z312 *= factor
z321 *= factor
z132 *= factor
z213 *= factor
tdiobs = lisaxml.Observable(obsstr)
tdiobs.TimeSeries = lisaxml.TimeSeries([t, X, Y, Z], obsstr)
tdiobs.DataType = 'FractionalFrequency'
tdiobs.TimeSeries.Cadence = options.timestep
tdiobs.TimeSeries.TimeOffset = options.inittime
if options.rawMeasurements:
tdiobsraw = lisaxml.Observable(
't,y123f,y231f,y312f,y321f,y132f,y213f,z123f,z231f,z312f,z321f,z132f,z213f'
)
tdiobsraw.TimeSeries = lisaxml.TimeSeries([
t, y123, y231, y312, y321, y132, y213, z123, z231, z312, z321, z132,
z213
], 't,y123f,y231f,y312f,y321f,y132f,y213f,z123f,z231f,z312f,z321f,z132f,z213f'
)
elif hasattr(waveforms, 'Amplitude'):
waveforms.Amplitude *= factor
# remove the RequestSN param from the source
del waveforms.RequestSN
outputXML = lisaxml.lisaXML(
inputfile, author='makeTDIsignal-synthlisa.py, MV/SB 20061129')
outputXML.SourceData(waveforms)
outputXML.close()
X *= factor
Y *= factor
Z *= factor
tdiobs = lisaxml.Observable('t,Xf,Yf,Zf')
tdiobs.DataType = 'FractionalFrequency'
tdiobs.TimeSeries = lisaxml.TimeSeries([t, X, Y, Z], 't,Xf,Yf,Zf')
tdiobs.TimeSeries.Cadence = options.timestep
tdiobs.TimeSeries.TimeOffset = options.inittime
outputXML = lisaxml.lisaXML(outputfile)
# save the standard LISA...
lisa = lisaxml.LISA('Standard MLDC PseudoLISA')
lisa.TimeOffset = 0
lisa.TimeOffset_Unit = 'Second'
lisa.InitialPosition = 0
Xf = numpy.zeros(datalen, 'd')
Yf = numpy.zeros(datalen, 'd')
Zf = numpy.zeros(datalen, 'd')
norm = (1e10 / 299792458.0) / 15.0
Xf[1:datalen] = norm * (tdi.Xs[1:datalen] - tdi.Xs[0:(datalen - 1)])
Yf[1:datalen] = norm * (tdi.Ys[1:datalen] - tdi.Ys[0:(datalen - 1)])
Zf[1:datalen] = norm * (tdi.Zs[1:datalen] - tdi.Zs[0:(datalen - 1)])
Xf[0] = Xf[1]
Yf[0] = Yf[1]
Zf[0] = Zf[1]
if tdi.DataType == 'Strain':
tdinew = lisaxml.Observable('t,Xf,Yf,Zf')
tdinew.DataType = 'FractionalFrequency'
tdinew.TimeSeries = lisaxml.TimeSeries([t, Xf, Yf, Zf], 't,Xf,Yf,Zf')
tdinew.TimeSeries.Cadence = tdi.TimeSeries.Cadence
tdinew.TimeSeries.TimeOffset = tdi.TimeSeries.TimeOffset
outputtdifile.TDIData(tdinew)
else:
outputtdifile.TDIData(tdi)
outputtdifile.close()
sys.exit(0)