jroIO_voltage.py
764 lines
| 24.9 KiB
| text/x-python
|
PythonLexer
|
r487 | ''' | |
|
r568 | Created on Jul 2, 2014 | |
|
r487 | ||
|
r568 | @author: roj-idl71 | |
|
r487 | ''' | |
|
r568 | ||
|
r487 | import numpy | |
|
r1167 | from .jroIO_base import LOCALTIME, JRODataReader, JRODataWriter | |
|
r1173 | from schainpy.model.proc.jroproc_base import ProcessingUnit, Operation, MPDecorator | |
|
r568 | from schainpy.model.data.jroheaderIO import PROCFLAG, BasicHeader, SystemHeader, RadarControllerHeader, ProcessingHeader | |
from schainpy.model.data.jrodata import Voltage | |||
|
r1061 | import zmq | |
import tempfile | |||
|
r1167 | from io import StringIO | |
|
r834 | # from _sha import blocksize | |
|
r487 | ||
|
r1173 | @MPDecorator | |
|
r487 | class VoltageReader(JRODataReader, ProcessingUnit): | |
""" | |||
Esta clase permite leer datos de voltage desde archivos en formato rawdata (.r). La lectura | |||
|
r1061 | de los datos siempre se realiza por bloques. Los datos leidos (array de 3 dimensiones: | |
|
r487 | perfiles*alturas*canales) son almacenados en la variable "buffer". | |
|
r1061 | perfiles * alturas * canales | |
Esta clase contiene instancias (objetos) de las clases BasicHeader, SystemHeader, | |||
|
r487 | RadarControllerHeader y Voltage. Los tres primeros se usan para almacenar informacion de la | |
cabecera de datos (metadata), y el cuarto (Voltage) para obtener y almacenar un perfil de | |||
datos desde el "buffer" cada vez que se ejecute el metodo "getData". | |||
|
r1061 | ||
|
r487 | Example: | |
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r1061 | ||
|
r487 | dpath = "/home/myuser/data" | |
|
r1061 | ||
|
r487 | startTime = datetime.datetime(2010,1,20,0,0,0,0,0,0) | |
|
r1061 | ||
|
r487 | endTime = datetime.datetime(2010,1,21,23,59,59,0,0,0) | |
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r1061 | ||
|
r487 | readerObj = VoltageReader() | |
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r1061 | ||
|
r487 | readerObj.setup(dpath, startTime, endTime) | |
|
r1061 | ||
|
r487 | while(True): | |
|
r1061 | ||
#to get one profile | |||
|
r487 | profile = readerObj.getData() | |
|
r1061 | ||
|
r487 | #print the profile | |
print profile | |||
|
r1061 | ||
|
r487 | #If you want to see all datablock | |
print readerObj.datablock | |||
|
r1061 | ||
|
r487 | if readerObj.flagNoMoreFiles: | |
break | |||
|
r1061 | ||
|
r487 | """ | |
ext = ".r" | |||
|
r1061 | ||
|
r487 | optchar = "D" | |
dataOut = None | |||
|
r1061 | ||
|
r1173 | def __init__(self):#, **kwargs): | |
|
r487 | """ | |
Inicializador de la clase VoltageReader para la lectura de datos de voltage. | |||
|
r1061 | ||
|
r487 | Input: | |
dataOut : Objeto de la clase Voltage. Este objeto sera utilizado para | |||
almacenar un perfil de datos cada vez que se haga un requerimiento | |||
(getData). El perfil sera obtenido a partir del buffer de datos, | |||
si el buffer esta vacio se hara un nuevo proceso de lectura de un | |||
bloque de datos. | |||
Si este parametro no es pasado se creara uno internamente. | |||
|
r1061 | ||
|
r487 | Variables afectadas: | |
self.dataOut | |||
|
r1061 | ||
|
r487 | Return: | |
None | |||
""" | |||
|
r1061 | ||
|
r1173 | ProcessingUnit.__init__(self)#, **kwargs) | |
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r1061 | ||
|
r487 | self.isConfig = False | |
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r1061 | ||
|
r487 | self.datablock = None | |
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r1061 | ||
|
r487 | self.utc = 0 | |
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r1061 | ||
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r487 | self.ext = ".r" | |
|
r1061 | ||
|
r487 | self.optchar = "D" | |
self.basicHeaderObj = BasicHeader(LOCALTIME) | |||
|
r1061 | ||
|
r487 | self.systemHeaderObj = SystemHeader() | |
|
r1061 | ||
|
r487 | self.radarControllerHeaderObj = RadarControllerHeader() | |
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r1061 | ||
|
r487 | self.processingHeaderObj = ProcessingHeader() | |
|
r1061 | ||
|
r487 | self.online = 0 | |
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r1061 | ||
|
r487 | self.fp = None | |
|
r1061 | ||
|
r487 | self.idFile = None | |
|
r1061 | ||
|
r487 | self.dtype = None | |
|
r1061 | ||
|
r487 | self.fileSizeByHeader = None | |
|
r1061 | ||
|
r487 | self.filenameList = [] | |
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r1061 | ||
|
r487 | self.filename = None | |
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r1061 | ||
|
r487 | self.fileSize = None | |
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r1061 | ||
|
r487 | self.firstHeaderSize = 0 | |
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r1061 | ||
|
r487 | self.basicHeaderSize = 24 | |
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r1061 | ||
|
r487 | self.pathList = [] | |
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r1061 | ||
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r487 | self.filenameList = [] | |
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r1061 | ||
|
r487 | self.lastUTTime = 0 | |
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r1061 | ||
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r487 | self.maxTimeStep = 30 | |
|
r1061 | ||
|
r487 | self.flagNoMoreFiles = 0 | |
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r1061 | ||
|
r487 | self.set = 0 | |
|
r1061 | ||
|
r487 | self.path = None | |
|
r1061 | ||
|
r1082 | self.profileIndex = 2**32 - 1 | |
|
r487 | ||
|
r1082 | self.delay = 3 # seconds | |
|
r1061 | ||
|
r1082 | self.nTries = 3 # quantity tries | |
|
r1061 | ||
|
r1082 | self.nFiles = 3 # number of files for searching | |
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r1061 | ||
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r487 | self.nReadBlocks = 0 | |
|
r1061 | ||
|
r487 | self.flagIsNewFile = 1 | |
|
r1061 | ||
|
r487 | self.__isFirstTimeOnline = 1 | |
|
r1061 | ||
|
r487 | # self.ippSeconds = 0 | |
|
r1061 | ||
self.flagDiscontinuousBlock = 0 | |||
|
r487 | self.flagIsNewBlock = 0 | |
|
r1061 | ||
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r487 | self.nTotalBlocks = 0 | |
|
r1061 | ||
|
r487 | self.blocksize = 0 | |
|
r1061 | ||
|
r487 | self.dataOut = self.createObjByDefault() | |
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r1061 | ||
|
r534 | self.nTxs = 1 | |
|
r1061 | ||
|
r534 | self.txIndex = 0 | |
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r1061 | ||
|
r487 | def createObjByDefault(self): | |
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r1061 | ||
|
r487 | dataObj = Voltage() | |
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r1061 | ||
|
r487 | return dataObj | |
|
r1061 | ||
|
r487 | def __hasNotDataInBuffer(self): | |
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r1061 | ||
|
r1082 | if self.profileIndex >= self.processingHeaderObj.profilesPerBlock * self.nTxs: | |
|
r487 | return 1 | |
|
r1061 | ||
|
r487 | return 0 | |
def getBlockDimension(self): | |||
""" | |||
|
r1019 | Obtiene la cantidad de puntos a leer por cada bloque de datos | |
|
r1082 | ||
|
r1019 | Affected: | |
self.blocksize | |||
|
r487 | ||
|
r1019 | Return: | |
None | |||
|
r487 | """ | |
|
r1082 | pts2read = self.processingHeaderObj.profilesPerBlock * \ | |
self.processingHeaderObj.nHeights * self.systemHeaderObj.nChannels | |||
|
r487 | self.blocksize = pts2read | |
def readBlock(self): | |||
""" | |||
|
r1019 | readBlock lee el bloque de datos desde la posicion actual del puntero del archivo | |
(self.fp) y actualiza todos los parametros relacionados al bloque de datos | |||
(metadata + data). La data leida es almacenada en el buffer y el contador del buffer | |||
es seteado a 0 | |||
|
r1082 | ||
|
r1019 | Inputs: | |
None | |||
|
r1082 | ||
|
r1019 | Return: | |
None | |||
|
r1082 | ||
|
r1019 | Affected: | |
self.profileIndex | |||
self.datablock | |||
self.flagIsNewFile | |||
self.flagIsNewBlock | |||
self.nTotalBlocks | |||
|
r1082 | ||
|
r1019 | Exceptions: | |
Si un bloque leido no es un bloque valido | |||
|
r487 | """ | |
|
r1082 | ||
|
r975 | # if self.server is not None: | |
# self.zBlock = self.receiver.recv() | |||
# self.zHeader = self.zBlock[:24] | |||
# self.zDataBlock = self.zBlock[24:] | |||
# junk = numpy.fromstring(self.zDataBlock, numpy.dtype([('real','<i4'),('imag','<i4')])) | |||
# self.processingHeaderObj.profilesPerBlock = 240 | |||
# self.processingHeaderObj.nHeights = 248 | |||
# self.systemHeaderObj.nChannels | |||
# else: | |||
current_pointer_location = self.fp.tell() | |||
|
r1082 | junk = numpy.fromfile(self.fp, self.dtype, self.blocksize) | |
|
r1061 | ||
|
r487 | try: | |
|
r1082 | junk = junk.reshape((self.processingHeaderObj.profilesPerBlock, | |
self.processingHeaderObj.nHeights, self.systemHeaderObj.nChannels)) | |||
|
r487 | except: | |
|
r1082 | # print "The read block (%3d) has not enough data" %self.nReadBlocks | |
|
r1061 | ||
|
r487 | if self.waitDataBlock(pointer_location=current_pointer_location): | |
|
r1082 | junk = numpy.fromfile(self.fp, self.dtype, self.blocksize) | |
junk = junk.reshape((self.processingHeaderObj.profilesPerBlock, | |||
self.processingHeaderObj.nHeights, self.systemHeaderObj.nChannels)) | |||
|
r1017 | # return 0 | |
|
r616 | ||
|
r1082 | # Dimensions : nChannels, nProfiles, nSamples | |
|
r1061 | ||
|
r1082 | junk = numpy.transpose(junk, (2, 0, 1)) | |
self.datablock = junk['real'] + junk['imag'] * 1j | |||
|
r1061 | ||
|
r487 | self.profileIndex = 0 | |
|
r1061 | ||
|
r487 | self.flagIsNewFile = 0 | |
self.flagIsNewBlock = 1 | |||
self.nTotalBlocks += 1 | |||
self.nReadBlocks += 1 | |||
|
r1061 | ||
|
r487 | return 1 | |
def getFirstHeader(self): | |||
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r1061 | ||
|
r616 | self.getBasicHeader() | |
|
r1061 | ||
|
r1103 | self.dataOut.processingHeaderObj = self.processingHeaderObj.copy() | |
|
r487 | self.dataOut.systemHeaderObj = self.systemHeaderObj.copy() | |
|
r1061 | ||
|
r487 | self.dataOut.radarControllerHeaderObj = self.radarControllerHeaderObj.copy() | |
|
r1061 | ||
|
r534 | if self.nTxs > 1: | |
|
r1082 | self.dataOut.radarControllerHeaderObj.ippSeconds = self.radarControllerHeaderObj.ippSeconds / self.nTxs | |
# Time interval and code are propierties of dataOut. Its value depends of radarControllerHeaderObj. | |||
|
r897 | ||
|
r1017 | # self.dataOut.timeInterval = self.radarControllerHeaderObj.ippSeconds * self.processingHeaderObj.nCohInt | |
# | |||
# if self.radarControllerHeaderObj.code is not None: | |||
# | |||
# self.dataOut.nCode = self.radarControllerHeaderObj.nCode | |||
# | |||
# self.dataOut.nBaud = self.radarControllerHeaderObj.nBaud | |||
# | |||
# self.dataOut.code = self.radarControllerHeaderObj.code | |||
|
r897 | ||
|
r487 | self.dataOut.dtype = self.dtype | |
|
r1061 | ||
|
r748 | self.dataOut.nProfiles = self.processingHeaderObj.profilesPerBlock | |
|
r1061 | ||
|
r1082 | self.dataOut.heightList = numpy.arange( | |
self.processingHeaderObj.nHeights) * self.processingHeaderObj.deltaHeight + self.processingHeaderObj.firstHeight | |||
|
r1061 | ||
|
r1167 | self.dataOut.channelList = list(range(self.systemHeaderObj.nChannels)) | |
|
r1061 | ||
|
r487 | self.dataOut.nCohInt = self.processingHeaderObj.nCohInt | |
|
r1061 | ||
|
r1082 | # asumo q la data no esta decodificada | |
self.dataOut.flagDecodeData = self.processingHeaderObj.flag_decode | |||
|
r487 | ||
|
r1082 | # asumo q la data no esta sin flip | |
self.dataOut.flagDeflipData = self.processingHeaderObj.flag_deflip | |||
|
r1061 | ||
|
r624 | self.dataOut.flagShiftFFT = self.processingHeaderObj.shif_fft | |
|
r1061 | ||
|
r748 | def reshapeData(self): | |
|
r1061 | ||
|
r748 | if self.nTxs < 0: | |
return | |||
|
r1061 | ||
|
r748 | if self.nTxs == 1: | |
return | |||
|
r1061 | ||
|
r1082 | if self.nTxs < 1 and self.processingHeaderObj.profilesPerBlock % (1. / self.nTxs) != 0: | |
|
r1167 | raise ValueError("1./nTxs (=%f), should be a multiple of nProfiles (=%d)" % ( | |
1. / self.nTxs, self.processingHeaderObj.profilesPerBlock)) | |||
|
r1061 | ||
|
r748 | if self.nTxs > 1 and self.processingHeaderObj.nHeights % self.nTxs != 0: | |
|
r1167 | raise ValueError("nTxs (=%d), should be a multiple of nHeights (=%d)" % ( | |
self.nTxs, self.processingHeaderObj.nHeights)) | |||
|
r1061 | ||
|
r1082 | self.datablock = self.datablock.reshape( | |
(self.systemHeaderObj.nChannels, self.processingHeaderObj.profilesPerBlock * self.nTxs, self.processingHeaderObj.nHeights / self.nTxs)) | |||
|
r1061 | ||
|
r1082 | self.dataOut.nProfiles = self.processingHeaderObj.profilesPerBlock * self.nTxs | |
self.dataOut.heightList = numpy.arange(self.processingHeaderObj.nHeights / self.nTxs) * \ | |||
self.processingHeaderObj.deltaHeight + self.processingHeaderObj.firstHeight | |||
self.dataOut.radarControllerHeaderObj.ippSeconds = self.radarControllerHeaderObj.ippSeconds / self.nTxs | |||
|
r897 | ||
|
r1056 | return | |
|
r897 | ||
|
r975 | def readFirstHeaderFromServer(self): | |
|
r1082 | ||
|
r975 | self.getFirstHeader() | |
self.firstHeaderSize = self.basicHeaderObj.size | |||
|
r1082 | datatype = int(numpy.log2((self.processingHeaderObj.processFlags & | |
PROCFLAG.DATATYPE_MASK)) - numpy.log2(PROCFLAG.DATATYPE_CHAR)) | |||
|
r975 | if datatype == 0: | |
|
r1082 | datatype_str = numpy.dtype([('real', '<i1'), ('imag', '<i1')]) | |
|
r975 | elif datatype == 1: | |
|
r1082 | datatype_str = numpy.dtype([('real', '<i2'), ('imag', '<i2')]) | |
|
r975 | elif datatype == 2: | |
|
r1082 | datatype_str = numpy.dtype([('real', '<i4'), ('imag', '<i4')]) | |
|
r975 | elif datatype == 3: | |
|
r1082 | datatype_str = numpy.dtype([('real', '<i8'), ('imag', '<i8')]) | |
|
r975 | elif datatype == 4: | |
|
r1082 | datatype_str = numpy.dtype([('real', '<f4'), ('imag', '<f4')]) | |
|
r975 | elif datatype == 5: | |
|
r1082 | datatype_str = numpy.dtype([('real', '<f8'), ('imag', '<f8')]) | |
|
r975 | else: | |
|
r1167 | raise ValueError('Data type was not defined') | |
|
r975 | ||
self.dtype = datatype_str | |||
#self.ippSeconds = 2 * 1000 * self.radarControllerHeaderObj.ipp / self.c | |||
|
r1082 | self.fileSizeByHeader = self.processingHeaderObj.dataBlocksPerFile * self.processingHeaderObj.blockSize + \ | |
self.firstHeaderSize + self.basicHeaderSize * \ | |||
(self.processingHeaderObj.dataBlocksPerFile - 1) | |||
|
r1017 | # self.dataOut.channelList = numpy.arange(self.systemHeaderObj.numChannels) | |
# self.dataOut.channelIndexList = numpy.arange(self.systemHeaderObj.numChannels) | |||
|
r975 | self.getBlockDimension() | |
|
r1082 | def getFromServer(self): | |
|
r975 | self.flagDiscontinuousBlock = 0 | |
self.profileIndex = 0 | |||
self.flagIsNewBlock = 1 | |||
self.dataOut.flagNoData = False | |||
self.nTotalBlocks += 1 | |||
self.nReadBlocks += 1 | |||
self.blockPointer = 0 | |||
block = self.receiver.recv() | |||
|
r1017 | ||
|
r975 | self.basicHeaderObj.read(block[self.blockPointer:]) | |
self.blockPointer += self.basicHeaderObj.length | |||
self.systemHeaderObj.read(block[self.blockPointer:]) | |||
self.blockPointer += self.systemHeaderObj.length | |||
self.radarControllerHeaderObj.read(block[self.blockPointer:]) | |||
self.blockPointer += self.radarControllerHeaderObj.length | |||
self.processingHeaderObj.read(block[self.blockPointer:]) | |||
self.blockPointer += self.processingHeaderObj.length | |||
self.readFirstHeaderFromServer() | |||
|
r1082 | ||
|
r975 | timestamp = self.basicHeaderObj.get_datatime() | |
|
r1167 | print('[Reading] - Block {} - {}'.format(self.nTotalBlocks, timestamp)) | |
|
r975 | current_pointer_location = self.blockPointer | |
|
r1082 | junk = numpy.fromstring( | |
block[self.blockPointer:], self.dtype, self.blocksize) | |||
|
r975 | ||
try: | |||
|
r1082 | junk = junk.reshape((self.processingHeaderObj.profilesPerBlock, | |
self.processingHeaderObj.nHeights, self.systemHeaderObj.nChannels)) | |||
|
r975 | except: | |
|
r1082 | # print "The read block (%3d) has not enough data" %self.nReadBlocks | |
|
r975 | if self.waitDataBlock(pointer_location=current_pointer_location): | |
|
r1082 | junk = numpy.fromstring( | |
block[self.blockPointer:], self.dtype, self.blocksize) | |||
junk = junk.reshape((self.processingHeaderObj.profilesPerBlock, | |||
self.processingHeaderObj.nHeights, self.systemHeaderObj.nChannels)) | |||
|
r1017 | # return 0 | |
|
r975 | ||
|
r1082 | # Dimensions : nChannels, nProfiles, nSamples | |
|
r975 | ||
|
r1082 | junk = numpy.transpose(junk, (2, 0, 1)) | |
self.datablock = junk['real'] + junk['imag'] * 1j | |||
|
r975 | self.profileIndex = 0 | |
|
r1082 | if self.selBlocksize == None: | |
self.selBlocksize = self.dataOut.nProfiles | |||
|
r975 | if self.selBlocktime != None: | |
if self.dataOut.nCohInt is not None: | |||
nCohInt = self.dataOut.nCohInt | |||
else: | |||
nCohInt = 1 | |||
|
r1082 | self.selBlocksize = int(self.dataOut.nProfiles * round(self.selBlocktime / ( | |
nCohInt * self.dataOut.ippSeconds * self.dataOut.nProfiles))) | |||
self.dataOut.data = self.datablock[:, | |||
self.profileIndex:self.profileIndex + self.selBlocksize, :] | |||
|
r975 | datasize = self.dataOut.data.shape[1] | |
if datasize < self.selBlocksize: | |||
|
r1082 | buffer = numpy.zeros( | |
(self.dataOut.data.shape[0], self.selBlocksize, self.dataOut.data.shape[2]), dtype='complex') | |||
buffer[:, :datasize, :] = self.dataOut.data | |||
|
r975 | self.dataOut.data = buffer | |
self.profileIndex = blockIndex | |||
self.dataOut.flagDataAsBlock = True | |||
self.flagIsNewBlock = 1 | |||
self.dataOut.realtime = self.online | |||
return self.dataOut.data | |||
|
r487 | def getData(self): | |
""" | |||
|
r1019 | getData obtiene una unidad de datos del buffer de lectura, un perfil, y la copia al objeto self.dataOut | |
del tipo "Voltage" con todos los parametros asociados a este (metadata). cuando no hay datos | |||
en el buffer de lectura es necesario hacer una nueva lectura de los bloques de datos usando | |||
"readNextBlock" | |||
|
r1082 | ||
|
r1019 | Ademas incrementa el contador del buffer "self.profileIndex" en 1. | |
|
r1082 | ||
|
r1019 | Return: | |
|
r1082 | ||
|
r1019 | Si el flag self.getByBlock ha sido seteado el bloque completo es copiado a self.dataOut y el self.profileIndex | |
es igual al total de perfiles leidos desde el archivo. | |||
|
r1082 | ||
|
r1019 | Si self.getByBlock == False: | |
|
r1082 | ||
|
r1019 | self.dataOut.data = buffer[:, thisProfile, :] | |
|
r1082 | ||
|
r1019 | shape = [nChannels, nHeis] | |
|
r1082 | ||
|
r1019 | Si self.getByBlock == True: | |
|
r1082 | ||
|
r1019 | self.dataOut.data = buffer[:, :, :] | |
|
r1082 | ||
|
r1019 | shape = [nChannels, nProfiles, nHeis] | |
|
r1082 | ||
|
r1019 | Variables afectadas: | |
self.dataOut | |||
self.profileIndex | |||
|
r1082 | ||
|
r1019 | Affected: | |
self.dataOut | |||
self.profileIndex | |||
self.flagDiscontinuousBlock | |||
self.flagIsNewBlock | |||
|
r487 | """ | |
if self.flagNoMoreFiles: | |||
self.dataOut.flagNoData = True | |||
|
r1167 | print('Process finished') | |
|
r487 | return 0 | |
|
r568 | self.flagDiscontinuousBlock = 0 | |
|
r487 | self.flagIsNewBlock = 0 | |
if self.__hasNotDataInBuffer(): | |||
|
r1082 | if not(self.readNextBlock()): | |
|
r487 | return 0 | |
|
r1061 | ||
|
r487 | self.getFirstHeader() | |
|
r1061 | ||
|
r748 | self.reshapeData() | |
|
r611 | if self.datablock is None: | |
|
r487 | self.dataOut.flagNoData = True | |
return 0 | |||
|
r1061 | ||
|
r534 | if not self.getByBlock: | |
""" | |||
|
r1019 | Return profile by profile | |
If nTxs > 1 then one profile is divided by nTxs and number of total | |||
blocks is increased by nTxs (nProfiles *= nTxs) | |||
|
r534 | """ | |
|
r605 | self.dataOut.flagDataAsBlock = False | |
|
r1082 | self.dataOut.data = self.datablock[:, self.profileIndex, :] | |
|
r748 | self.dataOut.profileIndex = self.profileIndex | |
|
r1061 | ||
|
r748 | self.profileIndex += 1 | |
|
r1082 | ||
|
r1019 | # elif self.selBlocksize==None or self.selBlocksize==self.dataOut.nProfiles: | |
# """ | |||
# Return all block | |||
# """ | |||
# self.dataOut.flagDataAsBlock = True | |||
# self.dataOut.data = self.datablock | |||
# self.dataOut.profileIndex = self.dataOut.nProfiles - 1 | |||
|
r1082 | # | |
|
r1019 | # self.profileIndex = self.dataOut.nProfiles | |
|
r1082 | ||
|
r534 | else: | |
""" | |||
|
r1019 | Return a block | |
|
r534 | """ | |
|
r1082 | if self.selBlocksize == None: | |
self.selBlocksize = self.dataOut.nProfiles | |||
|
r849 | if self.selBlocktime != None: | |
if self.dataOut.nCohInt is not None: | |||
nCohInt = self.dataOut.nCohInt | |||
else: | |||
|
r1061 | nCohInt = 1 | |
|
r1082 | self.selBlocksize = int(self.dataOut.nProfiles * round(self.selBlocktime / ( | |
nCohInt * self.dataOut.ippSeconds * self.dataOut.nProfiles))) | |||
|
r1061 | ||
|
r1082 | self.dataOut.data = self.datablock[:, | |
self.profileIndex:self.profileIndex + self.selBlocksize, :] | |||
|
r833 | self.profileIndex += self.selBlocksize | |
|
r834 | datasize = self.dataOut.data.shape[1] | |
|
r1061 | ||
if datasize < self.selBlocksize: | |||
|
r1082 | buffer = numpy.zeros( | |
(self.dataOut.data.shape[0], self.selBlocksize, self.dataOut.data.shape[2]), dtype='complex') | |||
buffer[:, :datasize, :] = self.dataOut.data | |||
|
r1061 | ||
|
r1082 | while datasize < self.selBlocksize: # Not enough profiles to fill the block | |
if not(self.readNextBlock()): | |||
|
r1061 | return 0 | |
|
r834 | self.getFirstHeader() | |
self.reshapeData() | |||
if self.datablock is None: | |||
self.dataOut.flagNoData = True | |||
return 0 | |||
|
r1082 | # stack data | |
|
r834 | blockIndex = self.selBlocksize - datasize | |
|
r1082 | datablock1 = self.datablock[:, :blockIndex, :] | |
|
r1061 | ||
|
r1082 | buffer[:, datasize:datasize + | |
datablock1.shape[1], :] = datablock1 | |||
|
r834 | datasize += datablock1.shape[1] | |
|
r1061 | ||
|
r834 | self.dataOut.data = buffer | |
self.profileIndex = blockIndex | |||
|
r833 | self.dataOut.flagDataAsBlock = True | |
|
r836 | self.dataOut.nProfiles = self.dataOut.data.shape[1] | |
|
r1061 | ||
|
r487 | self.dataOut.flagNoData = False | |
|
r1061 | ||
|
r487 | self.getBasicHeader() | |
|
r1061 | ||
|
r487 | self.dataOut.realtime = self.online | |
|
r1061 | ||
|
r487 | return self.dataOut.data | |
|
r1082 | ||
|
r487 | class VoltageWriter(JRODataWriter, Operation): | |
|
r1061 | """ | |
|
r487 | Esta clase permite escribir datos de voltajes a archivos procesados (.r). La escritura | |
|
r1061 | de los datos siempre se realiza por bloques. | |
|
r487 | """ | |
|
r1061 | ||
|
r487 | ext = ".r" | |
|
r1061 | ||
|
r487 | optchar = "D" | |
|
r1061 | ||
|
r487 | shapeBuffer = None | |
|
r1061 | def __init__(self, **kwargs): | |
""" | |||
|
r487 | Inicializador de la clase VoltageWriter para la escritura de datos de espectros. | |
|
r1061 | ||
Affected: | |||
|
r487 | self.dataOut | |
Return: None | |||
""" | |||
|
r1061 | Operation.__init__(self, **kwargs) | |
|
r487 | self.nTotalBlocks = 0 | |
self.profileIndex = 0 | |||
|
r1061 | ||
|
r487 | self.isConfig = False | |
|
r1061 | ||
|
r487 | self.fp = None | |
self.flagIsNewFile = 1 | |||
|
r1061 | ||
self.blockIndex = 0 | |||
|
r487 | self.flagIsNewBlock = 0 | |
self.setFile = None | |||
|
r1061 | ||
|
r487 | self.dtype = None | |
|
r1061 | ||
|
r487 | self.path = None | |
|
r1061 | ||
|
r487 | self.filename = None | |
|
r1061 | ||
|
r487 | self.basicHeaderObj = BasicHeader(LOCALTIME) | |
|
r1061 | ||
|
r487 | self.systemHeaderObj = SystemHeader() | |
|
r1061 | ||
|
r487 | self.radarControllerHeaderObj = RadarControllerHeader() | |
|
r1061 | ||
|
r487 | self.processingHeaderObj = ProcessingHeader() | |
def hasAllDataInBuffer(self): | |||
if self.profileIndex >= self.processingHeaderObj.profilesPerBlock: | |||
return 1 | |||
return 0 | |||
def setBlockDimension(self): | |||
""" | |||
Obtiene las formas dimensionales del los subbloques de datos que componen un bloque | |||
Affected: | |||
self.shape_spc_Buffer | |||
self.shape_cspc_Buffer | |||
self.shape_dc_Buffer | |||
Return: None | |||
""" | |||
self.shapeBuffer = (self.processingHeaderObj.profilesPerBlock, | |||
self.processingHeaderObj.nHeights, | |||
self.systemHeaderObj.nChannels) | |||
|
r1061 | ||
|
r487 | self.datablock = numpy.zeros((self.systemHeaderObj.nChannels, | |
|
r1082 | self.processingHeaderObj.profilesPerBlock, | |
self.processingHeaderObj.nHeights), | |||
|
r487 | dtype=numpy.dtype('complex64')) | |
|
r1061 | ||
|
r487 | def writeBlock(self): | |
""" | |||
Escribe el buffer en el file designado | |||
|
r1061 | ||
|
r487 | Affected: | |
|
r1061 | self.profileIndex | |
|
r487 | self.flagIsNewFile | |
self.flagIsNewBlock | |||
self.nTotalBlocks | |||
|
r1061 | self.blockIndex | |
|
r487 | Return: None | |
""" | |||
|
r1082 | data = numpy.zeros(self.shapeBuffer, self.dtype) | |
|
r1061 | ||
|
r1082 | junk = numpy.transpose(self.datablock, (1, 2, 0)) | |
|
r1061 | ||
|
r487 | data['real'] = junk.real | |
data['imag'] = junk.imag | |||
|
r1061 | ||
|
r1082 | data = data.reshape((-1)) | |
|
r1061 | ||
|
r1082 | data.tofile(self.fp) | |
|
r1061 | ||
|
r487 | self.datablock.fill(0) | |
|
r1061 | ||
self.profileIndex = 0 | |||
|
r487 | self.flagIsNewFile = 0 | |
self.flagIsNewBlock = 1 | |||
|
r1061 | ||
|
r487 | self.blockIndex += 1 | |
self.nTotalBlocks += 1 | |||
|
r1061 | ||
|
r585 | # print "[Writing] Block = %04d" %self.blockIndex | |
|
r1061 | ||
|
r487 | def putData(self): | |
""" | |||
|
r1061 | Setea un bloque de datos y luego los escribe en un file | |
|
r487 | Affected: | |
self.flagIsNewBlock | |||
self.profileIndex | |||
|
r1061 | Return: | |
0 : Si no hay data o no hay mas files que puedan escribirse | |||
|
r487 | 1 : Si se escribio la data de un bloque en un file | |
""" | |||
if self.dataOut.flagNoData: | |||
return 0 | |||
|
r1061 | ||
|
r487 | self.flagIsNewBlock = 0 | |
|
r1061 | ||
|
r568 | if self.dataOut.flagDiscontinuousBlock: | |
|
r487 | self.datablock.fill(0) | |
self.profileIndex = 0 | |||
self.setNextFile() | |||
|
r1061 | ||
|
r487 | if self.profileIndex == 0: | |
self.setBasicHeader() | |||
|
r1061 | ||
|
r1082 | self.datablock[:, self.profileIndex, :] = self.dataOut.data | |
|
r1061 | ||
|
r487 | self.profileIndex += 1 | |
|
r1061 | ||
|
r487 | if self.hasAllDataInBuffer(): | |
|
r1082 | # if self.flagIsNewFile: | |
|
r487 | self.writeNextBlock() | |
# self.setFirstHeader() | |||
|
r1061 | ||
|
r487 | return 1 | |
|
r1061 | ||
|
r487 | def __getBlockSize(self): | |
''' | |||
Este metodos determina el cantidad de bytes para un bloque de datos de tipo Voltage | |||
''' | |||
|
r1061 | ||
|
r616 | dtype_width = self.getDtypeWidth() | |
|
r1061 | ||
|
r1082 | blocksize = int(self.dataOut.nHeights * self.dataOut.nChannels * | |
self.profilesPerBlock * dtype_width * 2) | |||
|
r1061 | ||
|
r487 | return blocksize | |
|
r1061 | ||
|
r487 | def setFirstHeader(self): | |
""" | |||
Obtiene una copia del First Header | |||
|
r1061 | ||
|
r487 | Affected: | |
self.systemHeaderObj | |||
self.radarControllerHeaderObj | |||
self.dtype | |||
|
r1061 | Return: | |
|
r487 | None | |
""" | |||
|
r1061 | ||
|
r487 | self.systemHeaderObj = self.dataOut.systemHeaderObj.copy() | |
self.systemHeaderObj.nChannels = self.dataOut.nChannels | |||
self.radarControllerHeaderObj = self.dataOut.radarControllerHeaderObj.copy() | |||
|
r1061 | ||
|
r1082 | self.processingHeaderObj.dtype = 0 # Voltage | |
|
r487 | self.processingHeaderObj.blockSize = self.__getBlockSize() | |
self.processingHeaderObj.profilesPerBlock = self.profilesPerBlock | |||
self.processingHeaderObj.dataBlocksPerFile = self.blocksPerFile | |||
|
r1082 | # podria ser 1 o self.dataOut.processingHeaderObj.nWindows | |
self.processingHeaderObj.nWindows = 1 | |||
|
r487 | self.processingHeaderObj.nCohInt = self.dataOut.nCohInt | |
|
r1082 | # Cuando la data de origen es de tipo Voltage | |
self.processingHeaderObj.nIncohInt = 1 | |||
# Cuando la data de origen es de tipo Voltage | |||
self.processingHeaderObj.totalSpectra = 0 | |||
|
r1061 | ||
|
r624 | if self.dataOut.code is not None: | |
self.processingHeaderObj.code = self.dataOut.code | |||
self.processingHeaderObj.nCode = self.dataOut.nCode | |||
self.processingHeaderObj.nBaud = self.dataOut.nBaud | |||
|
r1061 | ||
|
r487 | if self.processingHeaderObj.nWindows != 0: | |
self.processingHeaderObj.firstHeight = self.dataOut.heightList[0] | |||
|
r1082 | self.processingHeaderObj.deltaHeight = self.dataOut.heightList[1] - \ | |
self.dataOut.heightList[0] | |||
|
r487 | self.processingHeaderObj.nHeights = self.dataOut.nHeights | |
self.processingHeaderObj.samplesWin = self.dataOut.nHeights | |||
|
r1061 | ||
|
r624 | self.processingHeaderObj.processFlags = self.getProcessFlags() | |
|
r1061 | ||
|
r1173 | self.setBasicHeader() | |