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Se agrega codigo para guardar graficos en disco. Avance del driver para matplotlib
Se agrega codigo para guardar graficos en disco. Avance del driver para matplotlib

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SpectraProcessor.py
529 lines | 16.7 KiB | text/x-python | PythonLexer
'''
$Author$
$Id$
'''
import os, sys
import numpy
import time
import datetime
path = os.path.split(os.getcwd())[0]
sys.path.append(path)
from Data.JROData import SpectraHeis
from IO.SpectraIO import SpectraWriter
#from Graphics.schainPlotTypes import SpcFigure
#from JRONoise import Noise
class SpectraProcessor:
'''
classdocs
'''
dataInObj = None
dataOutObj = None
noiseObj = None
integratorObjList = []
writerObjList = []
integratorObjIndex = None
writerObjIndex = None
profIndex = 0 # Se emplea cuando el objeto de entrada es un Voltage
def __init__(self):
'''
Constructor
'''
self.integratorObjIndex = None
self.writerObjIndex = None
self.plotObjIndex = None
self.integratorOst = []
self.plotObjList = []
self.noiseObj = bjList = []
self.writerObjLiNone
self.buffer = None
self.profIndex = 0
def setup(self, dataInObj=None, dataOutObj=None, nFFTPoints=None, pairList=None):
if dataInObj == None:
raise ValueError, "This SpectraProcessor.setup() function needs dataInObj input variable"
if dataInObj.type == "Voltage":
if nFFTPoints == None:
raise ValueError, "This SpectraProcessor.setup() function needs nFFTPoints input variable"
else:
nFFTPoints = dataInObj.nFFTPoints
self.dataInObj = dataInObj
if dataOutObj == None:
dataOutObj = Spectra()
self.dataOutObj = dataOutObj
return self.dataOutObj
def init(self):
self.integratorObjIndex = 0
self.writerObjIndex = 0
self.plotObjIndex = 0
if self.dataInObj.type == "Voltage":
if self.buffer == None:
self.buffer = numpy.zeros((self.nChannels,
self.nFFTPoints,
self.dataInObj.nHeights),
dtype='complex')
self.buffer[:,self.profIndex,:] = self.dataInObj.data
self.profIndex += 1
if self.profIndex == self.nFFTPoints:
self.__getFft()
self.dataOutObj.flagNoData = False
self.buffer = None
self.profIndex = 0
return
self.dataOutObj.flagNoData = True
return
#Other kind of data
if self.dataInObj.type == "Spectra":
self.dataOutObj.copy(self.dataInObj)
self.dataOutObj.flagNoData = False
return
raise ValueError, "The dtype is not valid"
def __getFft(self):
"""
Convierte valores de Voltaje a Spectra
Affected:
self.dataOutObj.data_spc
self.dataOutObj.data_cspc
self.dataOutObj.data_dc
self.dataOutObj.heightList
self.dataOutObj.m_BasicHeader
self.dataOutObj.m_ProcessingHeader
self.dataOutObj.radarControllerHeaderObj
self.dataOutObj.systemHeaderObj
self.profIndex
self.buffer
self.dataOutObj.flagNoData
self.dataOutObj.dtype
self.dataOutObj.nPairs
self.dataOutObj.nChannels
self.dataOutObj.nProfiles
self.dataOutObj.systemHeaderObj.numChannels
self.dataOutObj.m_ProcessingHeader.totalSpectra
self.dataOutObj.m_ProcessingHeader.profilesPerBlock
self.dataOutObj.m_ProcessingHeader.numHeights
self.dataOutObj.m_ProcessingHeader.spectraComb
self.dataOutObj.m_ProcessingHeader.shif_fft
"""
if self.dataInObj.flagNoData:
return 0
fft_volt = numpy.fft.fft(self.buffer,axis=1)
dc = fft_volt[:,0,:]
#calculo de self-spectra
fft_volt = numpy.fft.fftshift(fft_volt,axes=(1,))
spc = fft_volt * numpy.conjugate(fft_volt)
spc = spc.real
blocksize = 0
blocksize += dc.size
blocksize += spc.size
cspc = None
pairIndex = 0
if self.pairList != None:
#calculo de cross-spectra
cspc = numpy.zeros((self.nPairs, self.nFFTPoints, self.nHeights), dtype='complex')
for pair in self.pairList:
cspc[pairIndex,:,:] = numpy.abs(fft_volt[pair[0],:,:] * numpy.conjugate(fft_volt[pair[1],:,:]))
pairIndex += 1
blocksize += cspc.size
self.dataOutObj.data_spc = spc
self.dataOutObj.data_cspc = cspc
self.dataOutObj.data_dc = dc
self.dataOutObj.m_ProcessingHeader.blockSize = blocksize
self.dataOutObj.m_BasicHeader.utc = self.dataInObj.m_BasicHeader.utc
# self.getNoise()
def addWriter(self, wrpath, blocksPerFile):
objWriter = SpectraWriter(self.dataOutObj)
objWriter.setup(wrpath, blocksPerFile)
self.writerObjList.append(objWriter)
def addIntegrator(self,N,timeInterval):
objIncohInt = IncoherentIntegration(N,timeInterval)
self.integratorObjList.append(objIncohInt)
def addSpc(self, idfigure, nframes, wintitle, driver, colormap, colorbar, showprofile):
spcObj = SpcFigure(idfigure, nframes, wintitle, driver, colormap, colorbar, showprofile)
self.plotObjList.append(spcObj)
def plotSpc(self, idfigure=None,
xmin=None,
xmax=None,
ymin=None,
ymax=None,
minvalue=None,
maxvalue=None,
wintitle='',
driver='plplot',
colormap='br_greeen',
colorbar=True,
showprofile=False,
save=False,
gpath=None):
if self.dataOutObj.flagNoData:
return 0
nframes = len(self.dataOutObj.channelList)
if len(self.plotObjList) <= self.plotObjIndex:
self.addSpc(idfigure, nframes, wintitle, driver, colormap, colorbar, showprofile)
x = numpy.arange(self.dataOutObj.nFFTPoints)
y = self.dataOutObj.heightList
channelList = self.dataOutObj.channelList
data = 10.*numpy.log10(self.dataOutObj.data_spc[channelList,:,:])
# noisedB = 10.*numpy.log10(noise)
noisedB = numpy.arange(len(channelList)+1)
noisedB = noisedB *1.2
titleList = []
for i in range(len(noisedB)):
title = "%.2f"%noisedB[i]
titleList.append(title)
thisdatetime = datetime.datetime.fromtimestamp(self.dataOutObj.dataUtcTime)
dateTime = "%s"%(thisdatetime.strftime("%d-%b-%Y %H:%M:%S"))
figuretitle = "Spc Radar Data: %s"%dateTime
cleardata = True
plotObj = self.plotObjList[self.plotObjIndex]
plotObj.plotPcolor(data,
x,
y,
channelList,
xmin,
xmax,
ymin,
ymax,
minvalue,
maxvalue,
figuretitle,
None,
save,
gpath,
cleardata,
titleList)
self.plotObjIndex += 1
def writeData(self, wrpath, blocksPerFile):
if self.dataOutObj.flagNoData:
return 0
if len(self.writerObjList) <= self.writerObjIndex:
self.addWriter(wrpath, blocksPerFile)
self.writerObjList[self.writerObjIndex].putData()
self.writerObjIndex += 1
def integrator(self, N=None, timeInterval=None):
if self.dataOutObj.flagNoData:
return 0
if len(self.integratorObjList) <= self.integratorObjIndex:
self.addIntegrator(N,timeInterval)
myIncohIntObj = self.integratorObjList[self.integratorObjIndex]
myIncohIntObj.exe(data=self.dataOutObj.data_spc,timeOfData=self.dataOutObj.m_BasicHeader.utc)
if myIncohIntObj.isReady:
self.dataOutObj.data_spc = myIncohIntObj.data
self.dataOutObj.nAvg = myIncohIntObj.navg
self.dataOutObj.m_ProcessingHeader.incoherentInt = self.dataInObj.m_ProcessingHeader.incoherentInt*myIncohIntObj.navg
self.dataOutObj.flagNoData = False
"""Calcular el ruido"""
self.getNoise()
else:
self.dataOutObj.flagNoData = True
self.integratorObjIndex += 1
class SpectraHeisProcessor:
def __init__(self):
self.integratorObjIndex = None
self.writerObjIndex = None
self.plotterObjIndex = None
self.integratorObjList = []
self.writerObjList = []
self.plotterObjList = []
#self.noiseObj = Noise()
def setup(self, dataInObj, dataOutObj=None, nFFTPoints=None, pairList=None):
if nFFTPoints == None:
nFFTPoints = self.dataInObj.nHeights
self.dataInObj = dataInObj
if dataOutObj == None:
dataOutObj = SpectraHeis()
self.dataOutObj = dataOutObj
# self.noiseObj = Noise()
##########################################
self.nFFTPoints = nFFTPoints
self.nChannels = self.dataInObj.nChannels
self.nHeights = self.dataInObj.nHeights
self.pairList = pairList
if pairList != None:
self.nPairs = len(pairList)
else:
self.nPairs = 0
self.dataOutObj.radarControllerHeaderObj = self.dataInObj.radarControllerHeaderObj.copy()
self.dataOutObj.systemHeaderObj = self.dataInObj.systemHeaderObj.copy()
self.dataOutObj.type = "SpectraHeis"
self.dataOutObj.dtype = self.dataInObj.dtype
self.dataOutObj.nChannels = self.nChannels
self.dataOutObj.nHeights = self.nHeights
self.dataOutObj.nProfiles = self.nFFTPoints
self.dataOutObj.heightList = None
self.dataOutObj.channelList = None
self.dataOutObj.channelIndexList = None
self.dataOutObj.flagNoData = False
self.dataOutObj.flagTimeBlock = False
self.dataOutObj.dataUtcTime = None
self.dataOutObj.nCode = None
self.dataOutObj.nBaud = None
self.dataOutObj.code = None
self.dataOutObj.flagDecodeData = True #asumo q la data esta decodificada
self.dataOutObj.flagDeflipData = True #asumo q la data esta sin flip
self.dataOutObj.flagShiftFFT = False
self.dataOutObj.ippSeconds = None
self.dataOutObjdata_spc = None
self.dataOutObjdata_cspc = None
self.dataOutObjdata_dc = None
self.dataOutObjnFFTPoints = None
self.dataOutObjnPairs = None
self.dataOutObjpairsList = None
return self.dataOutObj
def init(self):
self.integratorObjIndex = 0
self.writerObjIndex = 0
self.plotterObjIndex = 0
if self.dataInObj.type == "Voltage":
self.__getFft()
self.dataOutObj.flagNoData = False
return
#Other kind of data
if self.dataInObj.type == "SpectraHeis":
self.dataOutObj.copy(self.dataInObj)
self.dataOutObj.flagNoData = False
return
raise ValueError, "The type is not valid"
def __getFft(self):
if self.dataInObj.flagNoData:
return 0
fft_volt = numpy.fft.fft(self.dataInObj.data, axis=1)
#print fft_volt
#calculo de self-spectra
fft_volt = numpy.fft.fftshift(fft_volt,axes=(1,))
spc = numpy.abs(fft_volt * numpy.conjugate(fft_volt))
self.dataOutObj.data_spc = spc
#print spc
def getSpectra(self):
return self.dataOutObj.data_spc
def getFrecuencies(self):
print self.nFFTPoints
return numpy.arange(int(self.nFFTPoints))
def addIntegrator(self,N,timeInterval):
objIncohInt = IncoherentIntegration(N,timeInterval)
self.integratorObjList.append(objIncohInt)
def integrator(self, N=None, timeInterval=None):
if self.dataOutObj.flagNoData:
return 0
if len(self.integratorObjList) <= self.integratorObjIndex:
self.addIntegrator(N,timeInterval)
myIncohIntObj = self.integratorObjList[self.integratorObjIndex]
myIncohIntObj.exe(data=self.dataOutObj.data_spc,timeOfData=self.dataOutObj.m_BasicHeader.utc)
if myIncohIntObj.isReady:
self.dataOutObj.data_spc = myIncohIntObj.data
self.dataOutObj.nAvg = myIncohIntObj.navg
self.dataOutObj.m_ProcessingHeader.incoherentInt *= myIncohIntObj.navg
#print "myIncohIntObj.navg: ",myIncohIntObj.navg
self.dataOutObj.flagNoData = False
#self.getNoise(type="hildebrand",parm=myIncohIntObj.navg)
# self.getNoise(type="sort", parm=16)
else:
self.dataOutObj.flagNoData = True
self.integratorObjIndex += 1
class IncoherentIntegration:
integ_counter = None
data = None
navg = None
buffer = None
nIncohInt = None
def __init__(self, N = None, timeInterval = None):
"""
N
timeInterval - interval time [min], integer value
"""
self.data = None
self.navg = None
self.buffer = None
self.timeOut = None
self.exitCondition = False
self.isReady = False
self.nIncohInt = N
self.integ_counter = 0
if timeInterval!=None:
self.timeIntervalInSeconds = timeInterval * 60. #if (type(timeInterval)!=integer) -> change this line
if ((timeInterval==None) and (N==None)):
print 'N = None ; timeInterval = None'
sys.exit(0)
elif timeInterval == None:
self.timeFlag = False
else:
self.timeFlag = True
def exe(self,data,timeOfData):
"""
data
timeOfData [seconds]
"""
if self.timeFlag:
if self.timeOut == None:
self.timeOut = timeOfData + self.timeIntervalInSeconds
if timeOfData < self.timeOut:
if self.buffer == None:
self.buffer = data
else:
self.buffer = self.buffer + data
self.integ_counter += 1
else:
self.exitCondition = True
else:
if self.integ_counter < self.nIncohInt:
if self.buffer == None:
self.buffer = data
else:
self.buffer = self.buffer + data
self.integ_counter += 1
if self.integ_counter == self.nIncohInt:
self.exitCondition = True
if self.exitCondition:
self.data = self.buffer
self.navg = self.integ_counter
self.isReady = True
self.buffer = None
self.timeOut = None
self.integ_counter = 0
self.exitCondition = False
if self.timeFlag:
self.buffer = data
self.timeOut = timeOfData + self.timeIntervalInSeconds
else:
self.isReady = False