Exemplo n.º 1
0
tDim.setDimId(3)
tDim.setValues(range(1, tDims.getDimLength()+1))

tind = 1
for mn in range(1, 13):
	print mn
	fileOut = dirOut + "/" + "narccap." + month_abbr[mn].lower() + "66"
	if os.path.isfile(fileOut):
		os.remove(fileOut)


	while not mns[tind-1] == mn:
		tind += 1
	startInd = tind

	ARLDI = ARLDataInfo()
	ARLDI.X = xs.getValues()
	ARLDI.Y = ys.getValues()
	
	for lind in range(len(rightFullLvls)):
		ARLDI.levels.add(lvDict[lind])
		ARLDI.LevelVarList.add(lvVarDict[lvDict[lind]])
		
	ARLDI.createDataFile(fileOut)

	while tind <= len(mns) and mns[tind-1] == mn:
		dataHead = ARLDI.getDataHead(proj, 'NRCP', 2)
		ARLDI.writeIndexRecord(ts[tind], dataHead)
		for hg in rightFullLvls:
			for arlV in lvVarDict[hg]:
				arlV = str(arlV)
Exemplo n.º 2
0
tDim.setDimName("time")
tDim.setDimId(3)
tDim.setValues(range(1, tDims.getDimLength() + 1))

tind = 1
for mn in range(1, 13):
    print mn
    fileOut = dirOut + "/" + "narccap." + month_abbr[mn].lower() + "66"
    if os.path.isfile(fileOut):
        os.remove(fileOut)

    while not mns[tind - 1] == mn:
        tind += 1
    startInd = tind

    ARLDI = ARLDataInfo()
    ARLDI.X = xs.getValues()
    ARLDI.Y = ys.getValues()

    for lind in range(len(rightFullLvls)):
        ARLDI.levels.add(lvDict[lind])
        ARLDI.LevelVarList.add(lvVarDict[lvDict[lind]])

    ARLDI.createDataFile(fileOut)

    while tind <= len(mns) and mns[tind - 1] == mn:
        dataHead = ARLDI.getDataHead(proj, 'NRCP', 2)
        ARLDI.writeIndexRecord(ts[tind], dataHead)
        for hg in rightFullLvls:
            for arlV in lvVarDict[hg]:
                arlV = str(arlV)
Exemplo n.º 3
0
def addfile(fname, access='r', dtype='netcdf', keepopen=False, **kwargs):
    """
    Opens a data file that is written in a supported file format.
    
    :param fname: (*string*) The full or relative path of the data file to load.
    :param access: (*string*) The access right setting to the data file. Default is ``r``.
    :param dtype: (*string*) The data type of the data file. Default is ``netcdf``.
    :param keepopen: (*boolean*) If the file keep open after this function. Default is ``False``. The
        file need to be closed later if ``keepopen`` is ``True``.
    
    :returns: (*DimDataFile*) Opened file object.
    """
    if access == 'r':
        fname = fname.strip()
        fname, isweb = __getfilename(fname)
        if fname is None:
            raise IOError(fname)

        if isweb:
            return addfile_nc(fname, False)
        
        if not os.path.exists(fname):
            raise IOError(fname)
        
        fsufix = os.path.splitext(fname)[1].lower()
        if fsufix == '.ctl':
            return addfile_grads(fname, False)
        elif fsufix == '.tif':
            return addfile_geotiff(fname, False)
        elif fsufix == '.awx':
            return addfile_awx(fname, False)
        elif fsufix == '.bil':
            return addfile_bil(fname, False)
        
        meteodata = MeteoDataInfo()
        meteodata.openData(fname, keepopen)
        datafile = DimDataFile(meteodata, access=access)
        return datafile
    elif access == 'c':
        if dtype == 'arl':
            arldata = ARLDataInfo()
            arldata.createDataFile(fname)
            datafile = DimDataFile(arldata=arldata)
        elif dtype == 'bufr':
            bufrdata = BufrDataInfo()
            if os.path.exists(fname):
                try:
                    os.remove(fname)
                except:   
                    info=sys.exc_info()   
                    print info[0],":",info[1]
            bufrdata.createDataFile(fname)
            datafile = DimDataFile(bufrdata=bufrdata)
        else:
            version = kwargs.pop('version', 'netcdf3')
            if version == 'netcdf3':
                version = NetcdfFileWriter.Version.netcdf3
            else:
                version = NetcdfFileWriter.Version.netcdf4
            ncfile = NetcdfFileWriter.createNew(version, fname)
            largefile = kwargs.pop('largefile', None)
            if not largefile is None:
                ncfile.setLargeFile(largefile)
            datafile = DimDataFile(access=access, ncfile=ncfile)
        return datafile
    elif access == 'w':
        fname = fname.strip()
        fname, isweb = __getfilename(fname)
        if fname is None:
            raise IOError(fname)
            meteodata = MeteoDataInfo()
        ncfile = NetcdfFileWriter.openExisting(fname)
        meteodata = MeteoDataInfo()
        meteodata.openData(ncfile.getNetcdfFile(), True)  
        datafile = DimDataFile(dataset=meteodata, access=access, ncfile=ncfile)
        return datafile
    else:
        return None
Exemplo n.º 4
0
#---- Set directories
dataDir = "D:/Temp"

#---- Set output data file
outFile = os.path.join(dataDir, 'arl/test2.arl')

#---- Read a GRIB data file
mydata = MeteoDataInfo()
infile = os.path.join(dataDir, 'grib/201001011800.pgbh06.gdas.20100101-20100105.grb2')
print infile
mydata.openNetCDFData(infile)
print 'GRIB file has been opened...'

#---- Set output ARL data info
arlDI = ARLDataInfo()

#---- Set variable and level list
gvars = ['Pressure_surface','Temperature_height_above_ground',\
	'u-component_of_wind_height_above_ground','v-component_of_wind_height_above_ground',\
	'Geopotential_height_isobaric','Temperature_isobaric',\
	'u-component_of_wind_isobaric','v-component_of_wind_isobaric','Vertical_velocity_pressure_isobaric',\
	'Relative_humidity_isobaric']
avars = ['PRSS','T02M','U10M','V10M','HGTS','TEMP','UWND','VWND','WWND','RELH']
levels = [0,1000,975,950,925,900,875,850,825,800,775,750,700,\
	650,600,550,500,450,400,350,300,250,225,200,175,150,\
	125,100,70,50,30,20,10,7,5,3,2,1]
for l in levels:
	arlDI.levels.add(l)
	if l == 0:
		arlDI.LevelVarList.add(['PRSS','T02M','U10M','V10M'])
Exemplo n.º 5
0
#---- Set directories
dataDir = "D:/Temp"

#---- Set output data file
outFile = os.path.join(dataDir, 'arl/test2.arl')

#---- Read a GRIB data file
mydata = MeteoDataInfo()
infile = os.path.join(dataDir,
                      'grib/201001011800.pgbh06.gdas.20100101-20100105.grb2')
print infile
mydata.openNetCDFData(infile)
print 'GRIB file has been opened...'

#---- Set output ARL data info
arlDI = ARLDataInfo()

#---- Set variable and level list
gvars = ['Pressure_surface','Temperature_height_above_ground',\
 'u-component_of_wind_height_above_ground','v-component_of_wind_height_above_ground',\
 'Geopotential_height_isobaric','Temperature_isobaric',\
 'u-component_of_wind_isobaric','v-component_of_wind_isobaric','Vertical_velocity_pressure_isobaric',\
 'Relative_humidity_isobaric']
avars = [
    'PRSS', 'T02M', 'U10M', 'V10M', 'HGTS', 'TEMP', 'UWND', 'VWND', 'WWND',
    'RELH'
]
levels = [0,1000,975,950,925,900,875,850,825,800,775,750,700,\
 650,600,550,500,450,400,350,300,250,225,200,175,150,\
 125,100,70,50,30,20,10,7,5,3,2,1]
for l in levels:
Exemplo n.º 6
0
def addfile(fname, access='r', dtype='netcdf', keepopen=False, **kwargs):
    """
    Opens a data file that is written in a supported file format.
    
    :param fname: (*string*) The full or relative path of the data file to load.
    :param access: (*string*) The access right setting to the data file. Default is ``r``.
    :param dtype: (*string*) The data type of the data file. Default is ``netcdf``.
    :param keepopen: (*boolean*) If the file keep open after this function. Default is ``False``. The
        file need to be closed later if ``keepopen`` is ``True``.
    
    :returns: (*DimDataFile*) Opened file object.
    """
    if access == 'r':
        fname = fname.strip()
        fname, isweb = __getfilename(fname)
        if fname is None:
            raise IOError(fname)

        if isweb:
            return addfile_nc(fname, False)
        
        if not os.path.exists(fname):
            raise IOError(fname)
        
        fsufix = os.path.splitext(fname)[1].lower()
        if fsufix == '.ctl':
            return addfile_grads(fname, False)
        elif fsufix == '.tif':
            return addfile_geotiff(fname, False)
        elif fsufix == '.awx':
            return addfile_awx(fname, False)
        elif fsufix == '.bil':
            return addfile_bil(fname, False)
        
        meteodata = MeteoDataInfo()
        meteodata.openData(fname, keepopen)
        datafile = DimDataFile(meteodata, access=access)
        return datafile
    elif access == 'c':
        if dtype == 'arl':
            arldata = ARLDataInfo()
            arldata.createDataFile(fname)
            datafile = DimDataFile(arldata=arldata)
        elif dtype == 'bufr':
            bufrdata = BufrDataInfo()
            if os.path.exists(fname):
                try:
                    os.remove(fname)
                except:   
                    info=sys.exc_info()   
                    print info[0],":",info[1]
            bufrdata.createDataFile(fname)
            datafile = DimDataFile(bufrdata=bufrdata)
        else:
            version = kwargs.pop('version', 'netcdf3')
            if version == 'netcdf3':
                version = NetcdfFileWriter.Version.netcdf3
            else:
                version = NetcdfFileWriter.Version.netcdf4
            ncfile = NetcdfFileWriter.createNew(version, fname)
            largefile = kwargs.pop('largefile', None)
            if not largefile is None:
                ncfile.setLargeFile(largefile)
            datafile = DimDataFile(access=access, ncfile=ncfile)
        return datafile
    elif access == 'w':
        fname = fname.strip()
        fname, isweb = __getfilename(fname)
        if fname is None:
            raise IOError(fname)
            meteodata = MeteoDataInfo()
        ncfile = NetcdfFileWriter.openExisting(fname)
        meteodata = MeteoDataInfo()
        meteodata.openData(ncfile.getNetcdfFile(), True)  
        datafile = DimDataFile(dataset=meteodata, access=access, ncfile=ncfile)
        return datafile
    else:
        return None