import sys import numpy,math from scipy import interpolate from schainpy.model.proc.jroproc_base import ProcessingUnit, Operation, MPDecorator from schainpy.model.data.jrodata import Voltage,hildebrand_sekhon from schainpy.utils import log from time import time import numpy class VoltageProc(ProcessingUnit): def __init__(self): ProcessingUnit.__init__(self) self.dataOut = Voltage() self.flip = 1 self.setupReq = False def run(self): if self.dataIn.type == 'AMISR': self.__updateObjFromAmisrInput() if self.dataIn.type == 'Voltage': self.dataOut.copy(self.dataIn) def __updateObjFromAmisrInput(self): self.dataOut.timeZone = self.dataIn.timeZone self.dataOut.dstFlag = self.dataIn.dstFlag self.dataOut.errorCount = self.dataIn.errorCount self.dataOut.useLocalTime = self.dataIn.useLocalTime self.dataOut.flagNoData = self.dataIn.flagNoData self.dataOut.data = self.dataIn.data self.dataOut.utctime = self.dataIn.utctime self.dataOut.channelList = self.dataIn.channelList #self.dataOut.timeInterval = self.dataIn.timeInterval self.dataOut.heightList = self.dataIn.heightList self.dataOut.nProfiles = self.dataIn.nProfiles self.dataOut.nCohInt = self.dataIn.nCohInt self.dataOut.ippSeconds = self.dataIn.ippSeconds self.dataOut.frequency = self.dataIn.frequency self.dataOut.azimuth = self.dataIn.azimuth self.dataOut.zenith = self.dataIn.zenith self.dataOut.beam.codeList = self.dataIn.beam.codeList self.dataOut.beam.azimuthList = self.dataIn.beam.azimuthList self.dataOut.beam.zenithList = self.dataIn.beam.zenithList class selectChannels(Operation): def run(self, dataOut, channelList=None): self.channelList = channelList if self.channelList == None: print("Missing channelList") return dataOut channelIndexList = [] if type(dataOut.channelList) is not list: #leer array desde HDF5 try: dataOut.channelList = dataOut.channelList.tolist() except Exception as e: print("Select Channels: ",e) for channel in self.channelList: if channel not in dataOut.channelList: raise ValueError("Channel %d is not in %s" %(channel, str(dataOut.channelList))) index = dataOut.channelList.index(channel) channelIndexList.append(index) dataOut = self.selectChannelsByIndex(dataOut,channelIndexList) return dataOut def selectChannelsByIndex(self, dataOut, channelIndexList): """ Selecciona un bloque de datos en base a canales segun el channelIndexList Input: channelIndexList : lista sencilla de canales a seleccionar por ej. [2,3,7] Affected: dataOut.data dataOut.channelIndexList dataOut.nChannels dataOut.m_ProcessingHeader.totalSpectra dataOut.systemHeaderObj.numChannels dataOut.m_ProcessingHeader.blockSize Return: None """ #print("selectChannelsByIndex") # for channelIndex in channelIndexList: # if channelIndex not in dataOut.channelIndexList: # raise ValueError("The value %d in channelIndexList is not valid" %channelIndex) if dataOut.type == 'Voltage': if dataOut.flagDataAsBlock: """ Si la data es obtenida por bloques, dimension = [nChannels, nProfiles, nHeis] """ data = dataOut.data[channelIndexList,:,:] else: data = dataOut.data[channelIndexList,:] dataOut.data = data # dataOut.channelList = [dataOut.channelList[i] for i in channelIndexList] dataOut.channelList = range(len(channelIndexList)) elif dataOut.type == 'Spectra': if hasattr(dataOut, 'data_spc'): if dataOut.data_spc is None: raise ValueError("data_spc is None") return dataOut else: data_spc = dataOut.data_spc[channelIndexList, :] dataOut.data_spc = data_spc # if hasattr(dataOut, 'data_dc') :# and # if dataOut.data_dc is None: # raise ValueError("data_dc is None") # return dataOut # else: # data_dc = dataOut.data_dc[channelIndexList, :] # dataOut.data_dc = data_dc # dataOut.channelList = [dataOut.channelList[i] for i in channelIndexList] dataOut.channelList = channelIndexList dataOut = self.__selectPairsByChannel(dataOut,channelIndexList) return dataOut def __selectPairsByChannel(self, dataOut, channelList=None): #print("__selectPairsByChannel") if channelList == None: return pairsIndexListSelected = [] for pairIndex in dataOut.pairsIndexList: # First pair if dataOut.pairsList[pairIndex][0] not in channelList: continue # Second pair if dataOut.pairsList[pairIndex][1] not in channelList: continue pairsIndexListSelected.append(pairIndex) if not pairsIndexListSelected: dataOut.data_cspc = None dataOut.pairsList = [] return dataOut.data_cspc = dataOut.data_cspc[pairsIndexListSelected] dataOut.pairsList = [dataOut.pairsList[i] for i in pairsIndexListSelected] return dataOut class selectHeights(Operation): def run(self, dataOut, minHei=None, maxHei=None, minIndex=None, maxIndex=None): """ Selecciona un bloque de datos en base a un grupo de valores de alturas segun el rango minHei <= height <= maxHei Input: minHei : valor minimo de altura a considerar maxHei : valor maximo de altura a considerar Affected: Indirectamente son cambiados varios valores a travez del metodo selectHeightsByIndex Return: 1 si el metodo se ejecuto con exito caso contrario devuelve 0 """ dataOut = dataOut if minHei and maxHei: if (minHei < dataOut.heightList[0]): minHei = dataOut.heightList[0] if (maxHei > dataOut.heightList[-1]): maxHei = dataOut.heightList[-1] minIndex = 0 maxIndex = 0 heights = dataOut.heightList inda = numpy.where(heights >= minHei) indb = numpy.where(heights <= maxHei) try: minIndex = inda[0][0] except: minIndex = 0 try: maxIndex = indb[0][-1] except: maxIndex = len(heights) self.selectHeightsByIndex(minIndex, maxIndex) return self.dataOut def selectHeightsByIndex(self, minIndex, maxIndex): """ Selecciona un bloque de datos en base a un grupo indices de alturas segun el rango minIndex <= index <= maxIndex Input: minIndex : valor de indice minimo de altura a considerar maxIndex : valor de indice maximo de altura a considerar Affected: self.dataOut.data self.dataOut.heightList Return: 1 si el metodo se ejecuto con exito caso contrario devuelve 0 """ if self.dataOut.type == 'Voltage': if (minIndex < 0) or (minIndex > maxIndex): raise ValueError("Height index range (%d,%d) is not valid" % (minIndex, maxIndex)) if (maxIndex >= self.dataOut.nHeights): maxIndex = self.dataOut.nHeights #voltage if self.dataOut.flagDataAsBlock: """ Si la data es obtenida por bloques, dimension = [nChannels, nProfiles, nHeis] """ data = self.dataOut.data[:,:, minIndex:maxIndex] else: data = self.dataOut.data[:, minIndex:maxIndex] # firstHeight = self.dataOut.heightList[minIndex] self.dataOut.data = data self.dataOut.heightList = self.dataOut.heightList[minIndex:maxIndex] if self.dataOut.nHeights <= 1: raise ValueError("selectHeights: Too few heights. Current number of heights is %d" %(self.dataOut.nHeights)) elif self.dataOut.type == 'Spectra': if (minIndex < 0) or (minIndex > maxIndex): raise ValueError("Error selecting heights: Index range (%d,%d) is not valid" % ( minIndex, maxIndex)) if (maxIndex >= self.dataOut.nHeights): maxIndex = self.dataOut.nHeights - 1 # Spectra data_spc = self.dataOut.data_spc[:, :, minIndex:maxIndex + 1] data_cspc = None if self.dataOut.data_cspc is not None: data_cspc = self.dataOut.data_cspc[:, :, minIndex:maxIndex + 1] data_dc = None if self.dataOut.data_dc is not None: data_dc = self.dataOut.data_dc[:, minIndex:maxIndex + 1] self.dataOut.data_spc = data_spc self.dataOut.data_cspc = data_cspc self.dataOut.data_dc = data_dc self.dataOut.heightList = self.dataOut.heightList[minIndex:maxIndex + 1] return 1 class filterByHeights(Operation): def run(self, dataOut, window): deltaHeight = dataOut.heightList[1] - dataOut.heightList[0] if window == None: window = (dataOut.radarControllerHeaderObj.txA/dataOut.radarControllerHeaderObj.nBaud) / deltaHeight newdelta = deltaHeight * window r = dataOut.nHeights % window newheights = (dataOut.nHeights-r)/window if newheights <= 1: raise ValueError("filterByHeights: Too few heights. Current number of heights is %d and window is %d" %(dataOut.nHeights, window)) if dataOut.flagDataAsBlock: """ Si la data es obtenida por bloques, dimension = [nChannels, nProfiles, nHeis] """ buffer = dataOut.data[:, :, 0:int(dataOut.nHeights-r)] buffer = buffer.reshape(dataOut.nChannels, dataOut.nProfiles, int(dataOut.nHeights/window), window) buffer = numpy.sum(buffer,3) else: buffer = dataOut.data[:,0:int(dataOut.nHeights-r)] buffer = buffer.reshape(dataOut.nChannels,int(dataOut.nHeights/window),int(window)) buffer = numpy.sum(buffer,2) dataOut.data = buffer dataOut.heightList = dataOut.heightList[0] + numpy.arange( newheights )*newdelta dataOut.windowOfFilter = window return dataOut class setH0(Operation): def run(self, dataOut, h0, deltaHeight = None): if not deltaHeight: deltaHeight = dataOut.heightList[1] - dataOut.heightList[0] nHeights = dataOut.nHeights newHeiRange = h0 + numpy.arange(nHeights)*deltaHeight dataOut.heightList = newHeiRange return dataOut class deFlip(Operation): def run(self, dataOut, channelList = []): data = dataOut.data.copy() if dataOut.flagDataAsBlock: flip = self.flip profileList = list(range(dataOut.nProfiles)) if not channelList: for thisProfile in profileList: data[:,thisProfile,:] = data[:,thisProfile,:]*flip flip *= -1.0 else: for thisChannel in channelList: if thisChannel not in dataOut.channelList: continue for thisProfile in profileList: data[thisChannel,thisProfile,:] = data[thisChannel,thisProfile,:]*flip flip *= -1.0 self.flip = flip else: if not channelList: data[:,:] = data[:,:]*self.flip else: for thisChannel in channelList: if thisChannel not in dataOut.channelList: continue data[thisChannel,:] = data[thisChannel,:]*self.flip self.flip *= -1. dataOut.data = data return dataOut class setAttribute(Operation): ''' Set an arbitrary attribute(s) to dataOut ''' def __init__(self): Operation.__init__(self) self._ready = False def run(self, dataOut, **kwargs): for key, value in kwargs.items(): setattr(dataOut, key, value) return dataOut @MPDecorator class printAttribute(Operation): ''' Print an arbitrary attribute of dataOut ''' def __init__(self): Operation.__init__(self) def run(self, dataOut, attributes): if isinstance(attributes, str): attributes = [attributes] for attr in attributes: if hasattr(dataOut, attr): log.log(getattr(dataOut, attr), attr) class interpolateHeights(Operation): def run(self, dataOut, topLim, botLim): #69 al 72 para julia #82-84 para meteoros if len(numpy.shape(dataOut.data))==2: sampInterp = (dataOut.data[:,botLim-1] + dataOut.data[:,topLim+1])/2 sampInterp = numpy.transpose(numpy.tile(sampInterp,(topLim-botLim + 1,1))) #dataOut.data[:,botLim:limSup+1] = sampInterp dataOut.data[:,botLim:topLim+1] = sampInterp else: nHeights = dataOut.data.shape[2] x = numpy.hstack((numpy.arange(botLim),numpy.arange(topLim+1,nHeights))) y = dataOut.data[:,:,list(range(botLim))+list(range(topLim+1,nHeights))] f = interpolate.interp1d(x, y, axis = 2) xnew = numpy.arange(botLim,topLim+1) ynew = f(xnew) dataOut.data[:,:,botLim:topLim+1] = ynew return dataOut class CohInt(Operation): isConfig = False __profIndex = 0 __byTime = False __initime = None __lastdatatime = None __integrationtime = None __buffer = None __bufferStride = [] __dataReady = False __profIndexStride = 0 __dataToPutStride = False n = None def __init__(self, **kwargs): Operation.__init__(self, **kwargs) def setup(self, n=None, timeInterval=None, stride=None, overlapping=False, byblock=False): """ Set the parameters of the integration class. Inputs: n : Number of coherent integrations timeInterval : Time of integration. If the parameter "n" is selected this one does not work overlapping : """ self.__initime = None self.__lastdatatime = 0 self.__buffer = None self.__dataReady = False self.byblock = byblock self.stride = stride if n == None and timeInterval == None: raise ValueError("n or timeInterval should be specified ...") if n != None: self.n = n self.__byTime = False else: self.__integrationtime = timeInterval #* 60. #if (type(timeInterval)!=integer) -> change this line self.n = 9999 self.__byTime = True if overlapping: self.__withOverlapping = True self.__buffer = None else: self.__withOverlapping = False self.__buffer = 0 self.__profIndex = 0 def putData(self, data): """ Add a profile to the __buffer and increase in one the __profileIndex """ if not self.__withOverlapping: self.__buffer += data.copy() self.__profIndex += 1 return #Overlapping data nChannels, nHeis = data.shape data = numpy.reshape(data, (1, nChannels, nHeis)) #If the buffer is empty then it takes the data value if self.__buffer is None: self.__buffer = data self.__profIndex += 1 return #If the buffer length is lower than n then stakcing the data value if self.__profIndex < self.n: self.__buffer = numpy.vstack((self.__buffer, data)) self.__profIndex += 1 return #If the buffer length is equal to n then replacing the last buffer value with the data value self.__buffer = numpy.roll(self.__buffer, -1, axis=0) self.__buffer[self.n-1] = data self.__profIndex = self.n return def pushData(self): """ Return the sum of the last profiles and the profiles used in the sum. Affected: self.__profileIndex """ if not self.__withOverlapping: data = self.__buffer n = self.__profIndex self.__buffer = 0 self.__profIndex = 0 return data, n #Integration with Overlapping data = numpy.sum(self.__buffer, axis=0) # print data # raise n = self.__profIndex return data, n def byProfiles(self, data): self.__dataReady = False avgdata = None # n = None # print data # raise self.putData(data) if self.__profIndex == self.n: avgdata, n = self.pushData() self.__dataReady = True return avgdata def byTime(self, data, datatime): self.__dataReady = False avgdata = None n = None self.putData(data) if (datatime - self.__initime) >= self.__integrationtime: avgdata, n = self.pushData() self.n = n self.__dataReady = True return avgdata def integrateByStride(self, data, datatime): # print data if self.__profIndex == 0: self.__buffer = [[data.copy(), datatime]] else: self.__buffer.append([data.copy(),datatime]) self.__profIndex += 1 self.__dataReady = False if self.__profIndex == self.n * self.stride : self.__dataToPutStride = True self.__profIndexStride = 0 self.__profIndex = 0 self.__bufferStride = [] for i in range(self.stride): current = self.__buffer[i::self.stride] data = numpy.sum([t[0] for t in current], axis=0) avgdatatime = numpy.average([t[1] for t in current]) # print data self.__bufferStride.append((data, avgdatatime)) if self.__dataToPutStride: self.__dataReady = True self.__profIndexStride += 1 if self.__profIndexStride == self.stride: self.__dataToPutStride = False # print self.__bufferStride[self.__profIndexStride - 1] # raise return self.__bufferStride[self.__profIndexStride - 1] return None, None def integrate(self, data, datatime=None): if self.__initime == None: self.__initime = datatime if self.__byTime: avgdata = self.byTime(data, datatime) else: avgdata = self.byProfiles(data) self.__lastdatatime = datatime if avgdata is None: return None, None avgdatatime = self.__initime deltatime = datatime - self.__lastdatatime if not self.__withOverlapping: self.__initime = datatime else: self.__initime += deltatime return avgdata, avgdatatime def integrateByBlock(self, dataOut): times = int(dataOut.data.shape[1]/self.n) avgdata = numpy.zeros((dataOut.nChannels, times, dataOut.nHeights), dtype=numpy.complex) id_min = 0 id_max = self.n for i in range(times): junk = dataOut.data[:,id_min:id_max,:] avgdata[:,i,:] = junk.sum(axis=1) id_min += self.n id_max += self.n timeInterval = dataOut.ippSeconds*self.n avgdatatime = (times - 1) * timeInterval + dataOut.utctime self.__dataReady = True return avgdata, avgdatatime def run(self, dataOut, n=None, timeInterval=None, stride=None, overlapping=False, byblock=False, **kwargs): if not self.isConfig: self.setup(n=n, stride=stride, timeInterval=timeInterval, overlapping=overlapping, byblock=byblock, **kwargs) self.isConfig = True if dataOut.flagDataAsBlock: """ Si la data es leida por bloques, dimension = [nChannels, nProfiles, nHeis] """ avgdata, avgdatatime = self.integrateByBlock(dataOut) dataOut.nProfiles /= self.n else: if stride is None: avgdata, avgdatatime = self.integrate(dataOut.data, dataOut.utctime) else: avgdata, avgdatatime = self.integrateByStride(dataOut.data, dataOut.utctime) # dataOut.timeInterval *= n dataOut.flagNoData = True if self.__dataReady: dataOut.data = avgdata if not dataOut.flagCohInt: dataOut.nCohInt *= self.n dataOut.flagCohInt = True dataOut.utctime = avgdatatime # print avgdata, avgdatatime # raise # dataOut.timeInterval = dataOut.ippSeconds * dataOut.nCohInt dataOut.flagNoData = False return dataOut class Decoder(Operation): isConfig = False __profIndex = 0 code = None nCode = None nBaud = None def __init__(self, **kwargs): Operation.__init__(self, **kwargs) self.times = None self.osamp = None # self.__setValues = False self.isConfig = False self.setupReq = False def setup(self, code, osamp, dataOut): self.__profIndex = 0 self.code = code self.nCode = len(code) self.nBaud = len(code[0]) if (osamp != None) and (osamp >1): self.osamp = osamp self.code = numpy.repeat(code, repeats=self.osamp, axis=1) self.nBaud = self.nBaud*self.osamp self.__nChannels = dataOut.nChannels self.__nProfiles = dataOut.nProfiles self.__nHeis = dataOut.nHeights if self.__nHeis < self.nBaud: raise ValueError('Number of heights (%d) should be greater than number of bauds (%d)' %(self.__nHeis, self.nBaud)) #Frequency __codeBuffer = numpy.zeros((self.nCode, self.__nHeis), dtype=numpy.complex) __codeBuffer[:,0:self.nBaud] = self.code self.fft_code = numpy.conj(numpy.fft.fft(__codeBuffer, axis=1)) if dataOut.flagDataAsBlock: self.ndatadec = self.__nHeis #- self.nBaud + 1 self.datadecTime = numpy.zeros((self.__nChannels, self.__nProfiles, self.ndatadec), dtype=numpy.complex) else: #Time self.ndatadec = self.__nHeis #- self.nBaud + 1 self.datadecTime = numpy.zeros((self.__nChannels, self.ndatadec), dtype=numpy.complex) def __convolutionInFreq(self, data): fft_code = self.fft_code[self.__profIndex].reshape(1,-1) fft_data = numpy.fft.fft(data, axis=1) conv = fft_data*fft_code data = numpy.fft.ifft(conv,axis=1) return data def __convolutionInFreqOpt(self, data): raise NotImplementedError def __convolutionInTime(self, data): code = self.code[self.__profIndex] for i in range(self.__nChannels): self.datadecTime[i,:] = numpy.correlate(data[i,:], code, mode='full')[self.nBaud-1:] return self.datadecTime def __convolutionByBlockInTime(self, data): repetitions = int(self.__nProfiles / self.nCode) junk = numpy.lib.stride_tricks.as_strided(self.code, (repetitions, self.code.size), (0, self.code.itemsize)) junk = junk.flatten() code_block = numpy.reshape(junk, (self.nCode*repetitions, self.nBaud)) profilesList = range(self.__nProfiles) for i in range(self.__nChannels): for j in profilesList: self.datadecTime[i,j,:] = numpy.correlate(data[i,j,:], code_block[j,:], mode='full')[self.nBaud-1:] return self.datadecTime def __convolutionByBlockInFreq(self, data): raise NotImplementedError("Decoder by frequency fro Blocks not implemented") fft_code = self.fft_code[self.__profIndex].reshape(1,-1) fft_data = numpy.fft.fft(data, axis=2) conv = fft_data*fft_code data = numpy.fft.ifft(conv,axis=2) return data def run(self, dataOut, code=None, nCode=None, nBaud=None, mode = 0, osamp=None, times=None): if dataOut.flagDecodeData: print("This data is already decoded, recoding again ...") if not self.isConfig: if code is None: if dataOut.code is None: raise ValueError("Code could not be read from %s instance. Enter a value in Code parameter" %dataOut.type) code = dataOut.code else: code = numpy.array(code).reshape(nCode,nBaud) self.setup(code, osamp, dataOut) self.isConfig = True if mode == 3: sys.stderr.write("Decoder Warning: mode=%d is not valid, using mode=0\n" %mode) if times != None: sys.stderr.write("Decoder Warning: Argument 'times' in not used anymore\n") if self.code is None: print("Fail decoding: Code is not defined.") return self.__nProfiles = dataOut.nProfiles datadec = None if mode == 3: mode = 0 if dataOut.flagDataAsBlock: """ Decoding when data have been read as block, """ if mode == 0: datadec = self.__convolutionByBlockInTime(dataOut.data) if mode == 1: datadec = self.__convolutionByBlockInFreq(dataOut.data) else: """ Decoding when data have been read profile by profile """ if mode == 0: datadec = self.__convolutionInTime(dataOut.data) if mode == 1: datadec = self.__convolutionInFreq(dataOut.data) if mode == 2: datadec = self.__convolutionInFreqOpt(dataOut.data) if datadec is None: raise ValueError("Codification mode selected is not valid: mode=%d. Try selecting 0 or 1" %mode) dataOut.code = self.code dataOut.nCode = self.nCode dataOut.nBaud = self.nBaud dataOut.data = datadec dataOut.heightList = dataOut.heightList[0:datadec.shape[-1]] dataOut.flagDecodeData = True #asumo q la data esta decodificada if self.__profIndex == self.nCode-1: self.__profIndex = 0 return dataOut self.__profIndex += 1 return dataOut # dataOut.flagDeflipData = True #asumo q la data no esta sin flip class ProfileConcat(Operation): isConfig = False buffer = None def __init__(self, **kwargs): Operation.__init__(self, **kwargs) self.profileIndex = 0 def reset(self): self.buffer = numpy.zeros_like(self.buffer) self.start_index = 0 self.times = 1 def setup(self, data, m, n=1): self.buffer = numpy.zeros((data.shape[0],data.shape[1]*m),dtype=type(data[0,0])) self.nHeights = data.shape[1]#.nHeights self.start_index = 0 self.times = 1 def concat(self, data): self.buffer[:,self.start_index:self.nHeights*self.times] = data.copy() self.start_index = self.start_index + self.nHeights def run(self, dataOut, m): dataOut.flagNoData = True if not self.isConfig: self.setup(dataOut.data, m, 1) self.isConfig = True if dataOut.flagDataAsBlock: raise ValueError("ProfileConcat can only be used when voltage have been read profile by profile, getBlock = False") else: self.concat(dataOut.data) self.times += 1 if self.times > m: dataOut.data = self.buffer self.reset() dataOut.flagNoData = False # se deben actualizar mas propiedades del header y del objeto dataOut, por ejemplo, las alturas deltaHeight = dataOut.heightList[1] - dataOut.heightList[0] xf = dataOut.heightList[0] + dataOut.nHeights * deltaHeight * m dataOut.heightList = numpy.arange(dataOut.heightList[0], xf, deltaHeight) dataOut.ippSeconds *= m return dataOut class ProfileSelector(Operation): profileIndex = None # Tamanho total de los perfiles nProfiles = None def __init__(self, **kwargs): Operation.__init__(self, **kwargs) self.profileIndex = 0 def incProfileIndex(self): self.profileIndex += 1 if self.profileIndex >= self.nProfiles: self.profileIndex = 0 def isThisProfileInRange(self, profileIndex, minIndex, maxIndex): if profileIndex < minIndex: return False if profileIndex > maxIndex: return False return True def isThisProfileInList(self, profileIndex, profileList): if profileIndex not in profileList: return False return True def run(self, dataOut, profileList=None, profileRangeList=None, beam=None, byblock=False, rangeList = None, nProfiles=None): """ ProfileSelector: Inputs: profileList : Index of profiles selected. Example: profileList = (0,1,2,7,8) profileRangeList : Minimum and maximum profile indexes. Example: profileRangeList = (4, 30) rangeList : List of profile ranges. Example: rangeList = ((4, 30), (32, 64), (128, 256)) """ if rangeList is not None: if type(rangeList[0]) not in (tuple, list): rangeList = [rangeList] dataOut.flagNoData = True if dataOut.flagDataAsBlock: """ data dimension = [nChannels, nProfiles, nHeis] """ if profileList != None: dataOut.data = dataOut.data[:,profileList,:] if profileRangeList != None: minIndex = profileRangeList[0] maxIndex = profileRangeList[1] profileList = list(range(minIndex, maxIndex+1)) dataOut.data = dataOut.data[:,minIndex:maxIndex+1,:] if rangeList != None: profileList = [] for thisRange in rangeList: minIndex = thisRange[0] maxIndex = thisRange[1] profileList.extend(list(range(minIndex, maxIndex+1))) dataOut.data = dataOut.data[:,profileList,:] dataOut.nProfiles = len(profileList) dataOut.profileIndex = dataOut.nProfiles - 1 dataOut.flagNoData = False return dataOut """ data dimension = [nChannels, nHeis] """ if profileList != None: if self.isThisProfileInList(dataOut.profileIndex, profileList): self.nProfiles = len(profileList) dataOut.nProfiles = self.nProfiles dataOut.profileIndex = self.profileIndex dataOut.flagNoData = False self.incProfileIndex() return dataOut if profileRangeList != None: minIndex = profileRangeList[0] maxIndex = profileRangeList[1] if self.isThisProfileInRange(dataOut.profileIndex, minIndex, maxIndex): self.nProfiles = maxIndex - minIndex + 1 dataOut.nProfiles = self.nProfiles dataOut.profileIndex = self.profileIndex dataOut.flagNoData = False self.incProfileIndex() return dataOut if rangeList != None: nProfiles = 0 for thisRange in rangeList: minIndex = thisRange[0] maxIndex = thisRange[1] nProfiles += maxIndex - minIndex + 1 for thisRange in rangeList: minIndex = thisRange[0] maxIndex = thisRange[1] if self.isThisProfileInRange(dataOut.profileIndex, minIndex, maxIndex): self.nProfiles = nProfiles dataOut.nProfiles = self.nProfiles dataOut.profileIndex = self.profileIndex dataOut.flagNoData = False self.incProfileIndex() break return dataOut if beam != None: #beam is only for AMISR data if self.isThisProfileInList(dataOut.profileIndex, dataOut.beamRangeDict[beam]): dataOut.flagNoData = False dataOut.profileIndex = self.profileIndex self.incProfileIndex() return dataOut raise ValueError("ProfileSelector needs profileList, profileRangeList or rangeList parameter") class Reshaper(Operation): def __init__(self, **kwargs): Operation.__init__(self, **kwargs) self.__buffer = None self.__nitems = 0 def __appendProfile(self, dataOut, nTxs): if self.__buffer is None: shape = (dataOut.nChannels, int(dataOut.nHeights/nTxs) ) self.__buffer = numpy.empty(shape, dtype = dataOut.data.dtype) ini = dataOut.nHeights * self.__nitems end = ini + dataOut.nHeights self.__buffer[:, ini:end] = dataOut.data self.__nitems += 1 return int(self.__nitems*nTxs) def __getBuffer(self): if self.__nitems == int(1./self.__nTxs): self.__nitems = 0 return self.__buffer.copy() return None def __checkInputs(self, dataOut, shape, nTxs): if shape is None and nTxs is None: raise ValueError("Reshaper: shape of factor should be defined") if nTxs: if nTxs < 0: raise ValueError("nTxs should be greater than 0") if nTxs < 1 and dataOut.nProfiles % (1./nTxs) != 0: raise ValueError("nProfiles= %d is not divisibled by (1./nTxs) = %f" %(dataOut.nProfiles, (1./nTxs))) shape = [dataOut.nChannels, dataOut.nProfiles*nTxs, dataOut.nHeights/nTxs] return shape, nTxs if len(shape) != 2 and len(shape) != 3: raise ValueError("shape dimension should be equal to 2 or 3. shape = (nProfiles, nHeis) or (nChannels, nProfiles, nHeis). Actually shape = (%d, %d, %d)" %(dataOut.nChannels, dataOut.nProfiles, dataOut.nHeights)) if len(shape) == 2: shape_tuple = [dataOut.nChannels] shape_tuple.extend(shape) else: shape_tuple = list(shape) nTxs = 1.0*shape_tuple[1]/dataOut.nProfiles return shape_tuple, nTxs def run(self, dataOut, shape=None, nTxs=None): shape_tuple, self.__nTxs = self.__checkInputs(dataOut, shape, nTxs) dataOut.flagNoData = True profileIndex = None if dataOut.flagDataAsBlock: dataOut.data = numpy.reshape(dataOut.data, shape_tuple) dataOut.flagNoData = False profileIndex = int(dataOut.nProfiles*self.__nTxs) - 1 else: if self.__nTxs < 1: self.__appendProfile(dataOut, self.__nTxs) new_data = self.__getBuffer() if new_data is not None: dataOut.data = new_data dataOut.flagNoData = False profileIndex = dataOut.profileIndex*nTxs else: raise ValueError("nTxs should be greater than 0 and lower than 1, or use VoltageReader(..., getblock=True)") deltaHeight = dataOut.heightList[1] - dataOut.heightList[0] dataOut.heightList = numpy.arange(dataOut.nHeights/self.__nTxs) * deltaHeight + dataOut.heightList[0] dataOut.nProfiles = int(dataOut.nProfiles*self.__nTxs) dataOut.profileIndex = profileIndex dataOut.ippSeconds /= self.__nTxs return dataOut class SplitProfiles(Operation): def __init__(self, **kwargs): Operation.__init__(self, **kwargs) def run(self, dataOut, n): dataOut.flagNoData = True profileIndex = None if dataOut.flagDataAsBlock: #nchannels, nprofiles, nsamples shape = dataOut.data.shape if shape[2] % n != 0: raise ValueError("Could not split the data, n=%d has to be multiple of %d" %(n, shape[2])) new_shape = shape[0], shape[1]*n, int(shape[2]/n) dataOut.data = numpy.reshape(dataOut.data, new_shape) dataOut.flagNoData = False profileIndex = int(dataOut.nProfiles/n) - 1 else: raise ValueError("Could not split the data when is read Profile by Profile. Use VoltageReader(..., getblock=True)") deltaHeight = dataOut.heightList[1] - dataOut.heightList[0] dataOut.heightList = numpy.arange(dataOut.nHeights/n) * deltaHeight + dataOut.heightList[0] dataOut.nProfiles = int(dataOut.nProfiles*n) dataOut.profileIndex = profileIndex dataOut.ippSeconds /= n return dataOut class CombineProfiles(Operation): def __init__(self, **kwargs): Operation.__init__(self, **kwargs) self.__remData = None self.__profileIndex = 0 def run(self, dataOut, n): dataOut.flagNoData = True profileIndex = None if dataOut.flagDataAsBlock: #nchannels, nprofiles, nsamples shape = dataOut.data.shape new_shape = shape[0], shape[1]/n, shape[2]*n if shape[1] % n != 0: raise ValueError("Could not split the data, n=%d has to be multiple of %d" %(n, shape[1])) dataOut.data = numpy.reshape(dataOut.data, new_shape) dataOut.flagNoData = False profileIndex = int(dataOut.nProfiles*n) - 1 else: #nchannels, nsamples if self.__remData is None: newData = dataOut.data else: newData = numpy.concatenate((self.__remData, dataOut.data), axis=1) self.__profileIndex += 1 if self.__profileIndex < n: self.__remData = newData #continue return self.__profileIndex = 0 self.__remData = None dataOut.data = newData dataOut.flagNoData = False profileIndex = dataOut.profileIndex/n deltaHeight = dataOut.heightList[1] - dataOut.heightList[0] dataOut.heightList = numpy.arange(dataOut.nHeights*n) * deltaHeight + dataOut.heightList[0] dataOut.nProfiles = int(dataOut.nProfiles/n) dataOut.profileIndex = profileIndex dataOut.ippSeconds *= n return dataOut class PulsePairVoltage(Operation): ''' Function PulsePair(Signal Power, Velocity) The real component of Lag[0] provides Intensity Information The imag component of Lag[1] Phase provides Velocity Information Configuration Parameters: nPRF = Number of Several PRF theta = Degree Azimuth angel Boundaries Input: self.dataOut lag[N] Affected: self.dataOut.spc ''' isConfig = False __profIndex = 0 __initime = None __lastdatatime = None __buffer = None noise = None __dataReady = False n = None __nch = 0 __nHeis = 0 removeDC = False ipp = None lambda_ = 0 def __init__(self,**kwargs): Operation.__init__(self,**kwargs) def setup(self, dataOut, n = None, removeDC=False): ''' n= Numero de PRF's de entrada ''' self.__initime = None self.__lastdatatime = 0 self.__dataReady = False self.__buffer = 0 self.__profIndex = 0 self.noise = None self.__nch = dataOut.nChannels self.__nHeis = dataOut.nHeights self.removeDC = removeDC self.lambda_ = 3.0e8/(9345.0e6) self.ippSec = dataOut.ippSeconds self.nCohInt = dataOut.nCohInt if n == None: raise ValueError("n should be specified.") if n != None: if n<2: raise ValueError("n should be greater than 2") self.n = n self.__nProf = n self.__buffer = numpy.zeros((dataOut.nChannels, n, dataOut.nHeights), dtype='complex') def putData(self,data): ''' Add a profile to he __buffer and increase in one the __profiel Index ''' self.__buffer[:,self.__profIndex,:]= data self.__profIndex += 1 return def pushData(self,dataOut): ''' Return the PULSEPAIR and the profiles used in the operation Affected : self.__profileIndex ''' #----------------- Remove DC----------------------------------- if self.removeDC==True: mean = numpy.mean(self.__buffer,1) tmp = mean.reshape(self.__nch,1,self.__nHeis) dc= numpy.tile(tmp,[1,self.__nProf,1]) self.__buffer = self.__buffer - dc #------------------Calculo de Potencia ------------------------ pair0 = self.__buffer*numpy.conj(self.__buffer) pair0 = pair0.real lag_0 = numpy.sum(pair0,1) #------------------Calculo de Ruido x canal-------------------- self.noise = numpy.zeros(self.__nch) for i in range(self.__nch): daux = numpy.sort(pair0[i,:,:],axis= None) self.noise[i]=hildebrand_sekhon( daux ,self.nCohInt) self.noise = self.noise.reshape(self.__nch,1) self.noise = numpy.tile(self.noise,[1,self.__nHeis]) noise_buffer = self.noise.reshape(self.__nch,1,self.__nHeis) noise_buffer = numpy.tile(noise_buffer,[1,self.__nProf,1]) #------------------ Potencia recibida= P , Potencia senal = S , Ruido= N-- #------------------ P= S+N ,P=lag_0/N --------------------------------- #-------------------- Power -------------------------------------------------- data_power = lag_0/(self.n*self.nCohInt) #------------------ Senal --------------------------------------------------- data_intensity = pair0 - noise_buffer data_intensity = numpy.sum(data_intensity,axis=1)*(self.n*self.nCohInt)#*self.nCohInt) #data_intensity = (lag_0-self.noise*self.n)*(self.n*self.nCohInt) for i in range(self.__nch): for j in range(self.__nHeis): if data_intensity[i][j] < 0: data_intensity[i][j] = numpy.min(numpy.absolute(data_intensity[i][j])) #----------------- Calculo de Frecuencia y Velocidad doppler-------- pair1 = self.__buffer[:,:-1,:]*numpy.conjugate(self.__buffer[:,1:,:]) lag_1 = numpy.sum(pair1,1) data_freq = (-1/(2.0*math.pi*self.ippSec*self.nCohInt))*numpy.angle(lag_1) data_velocity = (self.lambda_/2.0)*data_freq #---------------- Potencia promedio estimada de la Senal----------- lag_0 = lag_0/self.n S = lag_0-self.noise #---------------- Frecuencia Doppler promedio --------------------- lag_1 = lag_1/(self.n-1) R1 = numpy.abs(lag_1) #---------------- Calculo del SNR---------------------------------- data_snrPP = S/self.noise for i in range(self.__nch): for j in range(self.__nHeis): if data_snrPP[i][j] < 1.e-20: data_snrPP[i][j] = 1.e-20 #----------------- Calculo del ancho espectral ---------------------- L = S/R1 L = numpy.where(L<0,1,L) L = numpy.log(L) tmp = numpy.sqrt(numpy.absolute(L)) data_specwidth = (self.lambda_/(2*math.sqrt(2)*math.pi*self.ippSec*self.nCohInt))*tmp*numpy.sign(L) n = self.__profIndex self.__buffer = numpy.zeros((self.__nch, self.__nProf,self.__nHeis), dtype='complex') self.__profIndex = 0 return data_power,data_intensity,data_velocity,data_snrPP,data_specwidth,n def pulsePairbyProfiles(self,dataOut): self.__dataReady = False data_power = None data_intensity = None data_velocity = None data_specwidth = None data_snrPP = None self.putData(data=dataOut.data) if self.__profIndex == self.n: data_power,data_intensity, data_velocity,data_snrPP,data_specwidth, n = self.pushData(dataOut=dataOut) self.__dataReady = True return data_power, data_intensity, data_velocity, data_snrPP, data_specwidth def pulsePairOp(self, dataOut, datatime= None): if self.__initime == None: self.__initime = datatime data_power, data_intensity, data_velocity, data_snrPP, data_specwidth = self.pulsePairbyProfiles(dataOut) self.__lastdatatime = datatime if data_power is None: return None, None, None,None,None,None avgdatatime = self.__initime deltatime = datatime - self.__lastdatatime self.__initime = datatime return data_power, data_intensity, data_velocity, data_snrPP, data_specwidth, avgdatatime def run(self, dataOut,n = None,removeDC= False, overlapping= False,**kwargs): if not self.isConfig: self.setup(dataOut = dataOut, n = n , removeDC=removeDC , **kwargs) self.isConfig = True data_power, data_intensity, data_velocity,data_snrPP,data_specwidth, avgdatatime = self.pulsePairOp(dataOut, dataOut.utctime) dataOut.flagNoData = True if self.__dataReady: dataOut.nCohInt *= self.n dataOut.dataPP_POW = data_intensity # S dataOut.dataPP_POWER = data_power # P dataOut.dataPP_DOP = data_velocity dataOut.dataPP_SNR = data_snrPP dataOut.dataPP_WIDTH = data_specwidth dataOut.PRFbyAngle = self.n #numero de PRF*cada angulo rotado que equivale a un tiempo. dataOut.utctime = avgdatatime dataOut.flagNoData = False return dataOut # import collections # from scipy.stats import mode # # class Synchronize(Operation): # # isConfig = False # __profIndex = 0 # # def __init__(self, **kwargs): # # Operation.__init__(self, **kwargs) # # self.isConfig = False # self.__powBuffer = None # self.__startIndex = 0 # self.__pulseFound = False # # def __findTxPulse(self, dataOut, channel=0, pulse_with = None): # # #Read data # # powerdB = dataOut.getPower(channel = channel) # noisedB = dataOut.getNoise(channel = channel)[0] # # self.__powBuffer.extend(powerdB.flatten()) # # dataArray = numpy.array(self.__powBuffer) # # filteredPower = numpy.correlate(dataArray, dataArray[0:self.__nSamples], "same") # # maxValue = numpy.nanmax(filteredPower) # # if maxValue < noisedB + 10: # #No se encuentra ningun pulso de transmision # return None # # maxValuesIndex = numpy.where(filteredPower > maxValue - 0.1*abs(maxValue))[0] # # if len(maxValuesIndex) < 2: # #Solo se encontro un solo pulso de transmision de un baudio, esperando por el siguiente TX # return None # # phasedMaxValuesIndex = maxValuesIndex - self.__nSamples # # #Seleccionar solo valores con un espaciamiento de nSamples # pulseIndex = numpy.intersect1d(maxValuesIndex, phasedMaxValuesIndex) # # if len(pulseIndex) < 2: # #Solo se encontro un pulso de transmision con ancho mayor a 1 # return None # # spacing = pulseIndex[1:] - pulseIndex[:-1] # # #remover senales que se distancien menos de 10 unidades o muestras # #(No deberian existir IPP menor a 10 unidades) # # realIndex = numpy.where(spacing > 10 )[0] # # if len(realIndex) < 2: # #Solo se encontro un pulso de transmision con ancho mayor a 1 # return None # # #Eliminar pulsos anchos (deja solo la diferencia entre IPPs) # realPulseIndex = pulseIndex[realIndex] # # period = mode(realPulseIndex[1:] - realPulseIndex[:-1])[0][0] # # print "IPP = %d samples" %period # # self.__newNSamples = dataOut.nHeights #int(period) # self.__startIndex = int(realPulseIndex[0]) # # return 1 # # # def setup(self, nSamples, nChannels, buffer_size = 4): # # self.__powBuffer = collections.deque(numpy.zeros( buffer_size*nSamples,dtype=numpy.float), # maxlen = buffer_size*nSamples) # # bufferList = [] # # for i in range(nChannels): # bufferByChannel = collections.deque(numpy.zeros( buffer_size*nSamples, dtype=numpy.complex) + numpy.NAN, # maxlen = buffer_size*nSamples) # # bufferList.append(bufferByChannel) # # self.__nSamples = nSamples # self.__nChannels = nChannels # self.__bufferList = bufferList # # def run(self, dataOut, channel = 0): # # if not self.isConfig: # nSamples = dataOut.nHeights # nChannels = dataOut.nChannels # self.setup(nSamples, nChannels) # self.isConfig = True # # #Append new data to internal buffer # for thisChannel in range(self.__nChannels): # bufferByChannel = self.__bufferList[thisChannel] # bufferByChannel.extend(dataOut.data[thisChannel]) # # if self.__pulseFound: # self.__startIndex -= self.__nSamples # # #Finding Tx Pulse # if not self.__pulseFound: # indexFound = self.__findTxPulse(dataOut, channel) # # if indexFound == None: # dataOut.flagNoData = True # return # # self.__arrayBuffer = numpy.zeros((self.__nChannels, self.__newNSamples), dtype = numpy.complex) # self.__pulseFound = True # self.__startIndex = indexFound # # #If pulse was found ... # for thisChannel in range(self.__nChannels): # bufferByChannel = self.__bufferList[thisChannel] # #print self.__startIndex # x = numpy.array(bufferByChannel) # self.__arrayBuffer[thisChannel] = x[self.__startIndex:self.__startIndex+self.__newNSamples] # # deltaHeight = dataOut.heightList[1] - dataOut.heightList[0] # dataOut.heightList = numpy.arange(self.__newNSamples)*deltaHeight # # dataOut.ippSeconds = (self.__newNSamples / deltaHeight)/1e6 # # dataOut.data = self.__arrayBuffer # # self.__startIndex += self.__newNSamples # # return