Python NetCDFFile.createVariable方法代码示例

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
 def gen(self):
   ncfile = Dataset(self.fname, 'w')
   tm = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
   
   # set dimension info 
   ncfile.createDimension('grid_size', self.obj.grid_size)
   
   # set variable info
   grid_center_lat_var = ncfile.createVariable('grid_center_lat', dtype('d').char, ('grid_size',))
   grid_center_lon_var = ncfile.createVariable('grid_center_lon', dtype('d').char, ('grid_size',))
   physical_variable = ncfile.createVariable('physical_variable', dtype('d').char, ('grid_size',))
   
   grid_center_lat_var[:] = np.array(self.obj.grid_center_lat)
   grid_center_lon_var[:] = np.array(self.obj.grid_center_lon)
   physical_variable[:] = np.array(self.obj.physical_variable)
    
   setattr(ncfile, 'title', 'Threp ' + self.fname)
   setattr(ncfile, 'createdate', tm)
   setattr(ncfile, 'map_method', self.method)
   setattr(ncfile, 'conventions', 'Threp')
   setattr(ncfile, 'src_grid', self.obj.src_grid_name)
   setattr(ncfile, 'dst_grid', self.obj.dst_grid_name)
   
   ncfile.close() 
   print '*** Successfully generated netcdf file for ncl usage. ***'

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
def test_modis():
        
    modis_file      = "MYD06_L2.A2010100.0755.051.2010108054555.hdf"
    print "****** Reading MODIS data from file: ", modis_file
    modis           = FEMODIS.front_end_modis_cloud_1km_dev(modis_file)
    tim=modis.get_time()
    lat=modis.get_latitude()
    lon=modis.get_longitude() 
    dat=modis.get_data()
    print dat.keys()
    cwp=dat['Cloud_Water_Path']
 
    # print lat, lon, lwp
    ncfile = Dataset('modis_1km.nc','w')
    ndim = len(lat)
    ncfile.createDimension('time',ndim)
    time = ncfile.createVariable('time',dtype('float32').char,('time', ))
    lats = ncfile.createVariable('latitude',dtype('float32').char,('time', ))
    lons = ncfile.createVariable('longitude',dtype('float32').char,('time', ))
    cwps = ncfile.createVariable('cloud_water_path',dtype('float32').char,('time', ))
    time[:] = N.cast['float32'](tim)
    lats[:] = N.cast['float32'](lat)
    lons[:] = N.cast['float32'](lon)
    cwps[:] = N.cast['float32'](cwp[1])
    ncfile.close()    

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
 def openOutputFile(self):
     # Create file
     os.system('mkdir -p results/%s-%s' % (self.Case1,self.Case2))
     FileName = 'results/%s-%s/Cam3Feedbacks.%s-%s.%03i.nc' % \
                (self.Case1,self.Case2,self.Case1,self.Case2,self.FileNumber)
     if not os.path.exists(FileName):
         print 'creating %s ...' % FileName
         File = NetCDFFile(FileName,'w')
         File.createDimension('lat',len(self.data.lat))
         var = File.createVariable('lat','f',('lat',))
         var.long_name = 'latitude'
         var.units = 'degrees_north'
         var[:] = self.data.lat.astype('f')
         File.createDimension('lon',len(self.data.lon))
         var = File.createVariable('lon','f',('lon',))
         var.long_name = 'longitude'
         var.units = 'degrees_east'
         var[:] = self.data.lon.astype('f')
         # create variables
         for Field in ['dR_Ts','dR_lapse','dR_q','dR_cld_sw','dR_cld_lw','dR_alb','dR_co2']:
             var = File.createVariable(Field,'f',('lat','lon'))
             var.long_name = 'TOA radiative perturbation'
             var.units = 'W m-2'
             var[:,:] = 0.
         File.NsnapsDone = 0
         return 0, File
     else:
         File = NetCDFFile(FileName,'a')
         NsnapsDone = int(File.NsnapsDone[0])
         if NsnapsDone < len(self.data.time):
             return NsnapsDone, File
         else:
             print 'No more snaps to be done'
             sys.exit(0)

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
def OPENPIV2D2C(filename,ux_out,uy_out,x_out,y_out,flag1,flag2,flag3):
    """Storage in NetCDF format: 2D2C PIV datas with 3 flags used in OPENPIV"""
    # open a new netCDF file for writing.
    ncfile = Dataset(filename,'w') 
    # create the x and y dimensions.
    nx,ny=ux_out.shape
    ncfile.createDimension('x',nx)
    ncfile.createDimension('y',ny)
    # create the variable (4 byte integer in this case)
    # first argument is name of variable, second is datatype, third is
    # a tuple with the names of dimensions.
    #data = ncfile.createVariable('data',np.dtype('int32').char,('x','y'))
    xvar = ncfile.createVariable('xvar','d',('x','y'))
    yvar = ncfile.createVariable('yvar','d',('x','y'))
    ux = ncfile.createVariable('ux','d',('x','y'))
    uy = ncfile.createVariable('uy','d',('x','y'))
    Flags1 = ncfile.createVariable('flag1','d',('x','y'))
    Flags2 = ncfile.createVariable('flag2','d',('x','y'))
    Flags3 = ncfile.createVariable('flag3','d',('x','y'))
    # write data to variable.
    xvar[:] = x_out
    yvar[:] = y_out
    ux[:] = ux_out
    uy[:] = uy_out
    Flags1[:] = flag1
    Flags2[:] = flag2
    Flags3[:] = flag3
    # close the file.
    ncfile.close()
    print '*** SUCCESS writing:',filename

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
def load_geoinfo(SrcFilename, DstFilename, GridSize, LatName, LonName):
    # get lat/long values from 400/640 level files
    ncfile = front_end_NetCDF_helper()

    ncfile.open(SrcFilename)

    # read lat array
    SrcLatData = ncfile.read_data(LatName)
    # print SrcLatData

    # read lon array
    SrcLonData = ncfile.read_data(LonName)
    # print SrcLonData

    ncfile.close()

    # create down-sampled long array
    DstLonData = N.zeros(GridSize)

    #
    for DstLonNo in range(0, GridSize):
        SrcLonNo = DstLonNo * 2

        # down-sampling strategy 1, use avarage
        # DstLonData[DstLonNo] = (SrcLonData[SrcLonNo] + SrcLonData[SrcLonNo+1])/2.0
        # print DstLonNo, SrcLonNo, DstLonData[DstLonNo], SrcLonData[SrcLonNo], SrcLonData[SrcLonNo+1]

        # start with 0 and skip alternate points
        DstLonData[DstLonNo] = SrcLonData[SrcLonNo]
        # print DstLonNo, SrcLonNo, DstLonData[DstLonNo], SrcLonData[SrcLonNo]

    # write NetCDF file
    # open output file
    dst_ncfile = NetCDFFile(DstFilename, "w")

    # define dimensions
    dst_lat_dim = dst_ncfile.createDimension(LatName, GridSize)
    dst_lon_dim = dst_ncfile.createDimension(LonName, GridSize)

    # define variables
    dst_lat_var = dst_ncfile.createVariable(LatName, "d", (LatName,))
    # dst_lat_var.setattr (
    # NetCDFFile.setattr (dst_lat_var, 'attrname', attr_val)

    dst_lon_var = dst_ncfile.createVariable(LonName, "d", (LonName,))

    # write lat data
    dst_lat_var.assignValue(SrcLatData)

    # write lon data
    dst_lon_var.assignValue(DstLonData)

    # close output file
    dst_ncfile.close()

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
def write_to_file(CS,nmax_coarse, nmax_fine, nblocks ,hw_ph,filename):
    """
    Writes the results of a computation to a netcdf file.
    Takes a Compute_Loop_Function object as input; it is assumed that 
    this object has already computed what we wish to write!
    """

    #--------------------------------------------
    # Write to netcdf file 
    #--------------------------------------------
    ncfile   = Dataset(filename,'w')

    # --- set various attributes, identifying the parameters of the computation ----
    setattr(ncfile,'mu',CS.mu) 
    setattr(ncfile,'beta',CS.beta) 
    setattr(ncfile,'acell',acell) 
    setattr(ncfile,'Area',Area) 
    setattr(ncfile,'nmax_coarse',nmax_coarse) 
    setattr(ncfile,'nmax_fine',nmax_fine) 
    setattr(ncfile,'n_blocks_coarse_to_fine',nblocks) 
    setattr(ncfile,'Gamma_width',CS.Gamma) 
    setattr(ncfile,'phonon_frequency',hw_ph) 


    # --- Create dimensions ----
    ncfile.createDimension("number_of_frequencies",CS.list_hw.shape[0])
    ncfile.createDimension("xy",2)
    ncfile.createDimension("gamma_i",2)
    ncfile.createDimension("uv",2)
    ncfile.createDimension("phonon_alpha_kappa",6)


    # --- Write data ----
    Q      = ncfile.createVariable("q_phonon",'d',('xy',))
    REPH   = ncfile.createVariable("Re_E_phonon",'d',('phonon_alpha_kappa',))
    IEPH   = ncfile.createVariable("Im_E_phonon",'d',('phonon_alpha_kappa',))
    HW     = ncfile.createVariable("list_hw",'d',('number_of_frequencies',))

    RH     = ncfile.createVariable("Re_H",'d',('xy','gamma_i','uv','number_of_frequencies'))
    IH     = ncfile.createVariable("Im_H",'d',('xy','gamma_i','uv','number_of_frequencies'))


    Q[:]    = CS.q
    REPH[:] = N.real(CS.E_ph)
    IEPH[:] = N.imag(CS.E_ph)
    HW[:]   = N.real(CS.list_hw)

    RH[:,:,:,:] = N.real(CS.Hq)
    IH[:,:,:,:] = N.imag(CS.Hq)



    ncfile.close()

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
def write_to_file(CS, nmax_coarse, nmax_fine, nblocks, hw_ph, filename):

    """
    Writes the results of a computation to a netcdf file.
    Takes a Compute_Loop_Function object as input; it is assumed that 
    this object has already computed what we wish to write!
    """

    # --------------------------------------------
    # Write to netcdf file
    # --------------------------------------------
    ncfile = Dataset(filename, "w")

    # --- set various attributes, identifying the parameters of the computation ----
    setattr(ncfile, "mu", CS.mu)
    setattr(ncfile, "beta", CS.beta)
    setattr(ncfile, "acell", acell)
    setattr(ncfile, "Area", Area)
    setattr(ncfile, "nmax_coarse", nmax_coarse)
    setattr(ncfile, "nmax_fine", nmax_fine)
    setattr(ncfile, "n_blocks_coarse_to_fine", nblocks)
    setattr(ncfile, "Green_Gamma_width", CS.Green_Gamma_width)
    setattr(ncfile, "kernel_Gamma_width", CS.kernel_Gamma_width)
    setattr(ncfile, "phonon_frequency", hw_ph)

    # --- Create dimensions ----
    ncfile.createDimension("xy", 2)
    ncfile.createDimension("L_AB", 2)
    ncfile.createDimension("phonon_alpha_kappa", 6)

    # --- Write data ----
    Q = ncfile.createVariable("q_phonon", "d", ("xy",))
    REPH = ncfile.createVariable("Re_E_phonon", "d", ("phonon_alpha_kappa",))
    IEPH = ncfile.createVariable("Im_E_phonon", "d", ("phonon_alpha_kappa",))

    Re_R = ncfile.createVariable("Re_R", "d", ("xy", "L_AB"))
    Im_R = ncfile.createVariable("Im_R", "d", ("xy", "L_AB"))
    Re_I = ncfile.createVariable("Re_I", "d", ("xy", "L_AB"))
    Im_I = ncfile.createVariable("Im_I", "d", ("xy", "L_AB"))

    Q[:] = CS.q
    REPH[:] = N.real(CS.E_ph)
    IEPH[:] = N.imag(CS.E_ph)

    Re_R[:, :] = N.real(CS.Rq)
    Im_R[:, :] = N.imag(CS.Rq)
    Re_I[:, :] = N.real(CS.Iq)
    Im_I[:, :] = N.imag(CS.Iq)

    ncfile.close()

    return

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
class CoordTransfer(Exception):
  def __init__(self, srcfile, dstfile, newfile):
    self.srcfile = srcfile
    self.dstfile = dstfile
    self.newfile = newfile
    
  def loadsrcoords(self):
    self.ncfile = Dataset(self.srcfile, 'r')
    variable_name = 'grid_center_lat'
    __grid_center_lat = self.ncfile.variables[variable_name][:]
    variable_name = 'grid_center_lon'
    __grid_center_lon = self.ncfile.variables[variable_name][:]
    self.__grid_center_lat = __grid_center_lat.tolist()
    self.__grid_center_lon = __grid_center_lon.tolist()
    
  def loadstinfo(self):
   self.nc_obj = Loadnc(self.dstfile)
   self.grid_size, self.grid_corners, self.grid_rank, self.grid_dims, ach1, ach2, self.grid_imask = self.nc_obj.load()
   
  def transfercoord(self):
    self.resncfile = Dataset(self.newfile, 'w')
    tm = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
    
    # set dimension info 
    self.resncfile.createDimension('grid_size', self.grid_size)
    self.resncfile.createDimension('grid_rank', self.grid_rank)
    self.resncfile.createDimension('grid_corners', self.grid_corners)

    # set variable info
    grid_dims_var = self.resncfile.createVariable('grid_dims', dtype('int32').char, ('grid_rank',))
    grid_center_lat_var = self.resncfile.createVariable('grid_center_lat', dtype('d').char, ('grid_size',))
    grid_center_lat_var.units = 'degrees'
    grid_center_lon_var = self.resncfile.createVariable('grid_center_lon', dtype('d').char, ('grid_size',))
    grid_center_lon_var.units = 'degrees'
    grid_imask_var = self.resncfile.createVariable('grid_imask', dtype('i').char, ('grid_size',))
    grid_imask_var.units = 'unitless'

    grid_dims_var[:] = self.grid_dims
    grid_center_lat_var[:] = np.array(self.__grid_center_lat)
    grid_center_lon_var[:] = np.array(self.__grid_center_lon)
    buffer1 = [np.int32(i) for i in self.grid_imask]
    grid_imask_var[:] = np.array(buffer1)

    setattr(self.resncfile, 'title', 'Threp ' + self.newfile)
    setattr(self.resncfile, 'createdate', tm)
    setattr(self.resncfile, 'conventions', 'Threp')
    setattr(self.resncfile, 'grid', self.newfile)

  def finish(self):
    self.resncfile.close()
    self.nc_obj.closenc()

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
def filter_netcdf(filename1, filename2, first=0, last=None, step=1):
    """Filter data file, selecting timesteps first:step:last.
    
    Read netcdf filename1, pick timesteps first:step:last and save to
    nettcdf file filename2
    """

    from Scientific.IO.NetCDF import NetCDFFile

    # Get NetCDF
    infile = NetCDFFile(filename1, netcdf_mode_r)  #Open existing file for read
    outfile = NetCDFFile(filename2, netcdf_mode_w)  #Open new file

    # Copy dimensions
    for d in infile.dimensions:
        outfile.createDimension(d, infile.dimensions[d])

    # Copy variable definitions
    for name in infile.variables:
        var = infile.variables[name]
        outfile.createVariable(name, var.dtype.char, var.dimensions)

    # Copy the static variables
    for name in infile.variables:
        if name == 'time' or name == 'stage':
            pass
        else:
            outfile.variables[name][:] = infile.variables[name][:]

    # Copy selected timesteps
    time = infile.variables['time']
    stage = infile.variables['stage']

    newtime = outfile.variables['time']
    newstage = outfile.variables['stage']

    if last is None:
        last = len(time)

    selection = range(first, last, step)
    for i, j in enumerate(selection):
        log.critical('Copying timestep %d of %d (%f)'
                     % (j, last-first, time[j]))
        newtime[i] = time[j]
        newstage[i,:] = stage[j,:]

    # Close
    infile.close()
    outfile.close()

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
    def writeNetCDF(self, filename):
        from Scientific.IO.NetCDF import NetCDFFile

        ncfile = NetCDFFile(filename, "w")

        for dim, i in (("x", 0), ("y", 1), ("z", 2)):
            ncfile.createDimension(dim, self.voxels[i])
            ncfile.createVariable(dim, "d", (dim,))[:] = arange(self.voxels[i]) * self.vector[i][i]

        ncfile.createVariable("data", "d", ("x", "y", "z"))
        ncfile.variables["data"][:] = self.data

        ncfile.Natom = self.Natom
        ncfile.origin = self.origin
        for n in range(self.Natom):
            setattr(ncfile, "atom%i.Type" % n, self.atomType[n])
            setattr(ncfile, "atom%i.Pos" % n, self.atomPos[n])

        ncfile.close()

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
def write_elevation_nc(file_out, lon, lat, depth_vector):
    """Write an nc elevation file."""

    # NetCDF file definition
    outfile = NetCDFFile(file_out, netcdf_mode_w)

    #Create new file
    nc_lon_lat_header(outfile, lon, lat)

    # ELEVATION
    zname = 'ELEVATION'
    outfile.createVariable(zname, precision, (lat_name, lon_name))
    outfile.variables[zname].units = 'CENTIMETERS'
    outfile.variables[zname].missing_value = -1.e+034

    outfile.variables[lon_name][:] = ensure_numeric(lon)
    outfile.variables[lat_name][:] = ensure_numeric(lat)

    depth = num.reshape(depth_vector, (len(lat), len(lon)))
    outfile.variables[zname][:] = depth

    outfile.close()

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
 def write(self):
   ncfile = Dataset(self.fname, 'w')
   tm = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
   
   # set dimension info 
   ncfile.createDimension('src_grid_size', self.obj.src_grid_size)
   ncfile.createDimension('dst_grid_size', self.obj.dst_grid_size)
   ncfile.createDimension('n_wgt', self.n_wgt)
   ncfile.createDimension('src_grid_rank', self.obj.src_grid_rank)
   ncfile.createDimension('dst_grid_rank', self.obj.dst_grid_rank)
   ncfile.createDimension('num_wgts', 1)
   ncfile.createDimension('src_grid_corners', self.obj.src_grid_corners)
   ncfile.createDimension('dst_grid_corners', self.obj.dst_grid_corners)
   
   # set variable info
   src_grid_dims_var = ncfile.createVariable('src_grid_dims', dtype('int32').char, ('src_grid_rank',))
   dst_grid_dims_var = ncfile.createVariable('dst_grid_dims', dtype('int32').char, ('dst_grid_rank',))
   src_grid_center_lat_var = ncfile.createVariable('src_grid_center_lat', dtype('d').char, ('src_grid_size',))
   src_grid_center_lon_var = ncfile.createVariable('src_grid_center_lon', dtype('d').char, ('src_grid_size',))
   dst_grid_center_lat_var = ncfile.createVariable('dst_grid_center_lat', dtype('d').char, ('dst_grid_size',))
   dst_grid_center_lon_var = ncfile.createVariable('dst_grid_center_lon', dtype('d').char, ('dst_grid_size',))
   src_grid_imask_var = ncfile.createVariable('src_grid_imask', dtype('i').char, ('src_grid_size',))
   dst_grid_imask_var = ncfile.createVariable('dst_grid_imask', dtype('i').char, ('dst_grid_size',))
   remap_src_indx_var = ncfile.createVariable('remap_src_indx', dtype('i').char, ('n_wgt',))
   remap_dst_indx_var = ncfile.createVariable('remap_dst_indx', dtype('i').char, ('n_wgt',))
   remap_matrix_var = ncfile.createVariable('remap_matrix', dtype('d').char, ('n_wgt',))
   
   src_grid_dims_var[:] = self.obj.src_grid_dims
   dst_grid_dims_var[:] = self.obj.dst_grid_dims
   src_grid_center_lat_var[:] = np.array(self.obj.original_src_grid_center_lat)
   src_grid_center_lon_var[:] = np.array(self.obj.original_src_grid_center_lon)
   dst_grid_center_lat_var[:] = np.array(self.obj.dst_grid_center_lat)
   dst_grid_center_lon_var[:] = np.array(self.obj.dst_grid_center_lon)
   #src_grid_imask_var[:] = np.array(self.obj.original_src_grid_imask)
   buffer1 = [np.int32(i) for i in self.obj.original_src_grid_imask]
   src_grid_imask_var[:] = np.array(buffer1)
   buffer2 = [np.int32(i) for i in self.obj.dst_grid_imask]
   dst_grid_imask_var[:] = np.array(buffer2)
   #dst_grid_imask_var[:] = np.array(self.obj.dst_grid_imask)
   buffer3 = [np.int32(i) for i in self.obj.remap_src_indx]
   remap_src_indx_var[:] = np.array(buffer3)
   #remap_src_indx_var[:] = np.array(self.obj.remap_src_indx)
   buffer4 = [np.int32(i) for i in self.obj.remap_dst_indx]
   remap_dst_indx_var[:] = np.array(buffer4)
   #remap_dst_indx_var[:] = np.array(self.obj.remap_dst_indx)
   remap_matrix_var[:] = np.array(self.obj.remap_matrix_compact)
   
   setattr(ncfile, 'title', 'Threp ' + self.fname)
   setattr(ncfile, 'createdate', tm)
   setattr(ncfile, 'map_method', self.method)
   setattr(ncfile, 'conventions', 'Threp')
   setattr(ncfile, 'src_grid', self.obj.src_grid_name)
   setattr(ncfile, 'dst_grid', self.obj.dst_grid_name)
   
   ncfile.close() 
   print '*** Successfully generate remap matrix file. ***'

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
def writeNcFile(data, fileName=None, oldStyle=1):
    if not ncOk:
        raise Exception('module Scientific.IO.NetCDF not found, writeNcFile() failed!')
    if not fileName:
        fileName = data['name']+'_weather.nc'
    f = NetCDFFile(fileName, 'w')
    f.createDimension('time', data['time'].shape[0])
    f.file_format = file_format
    if oldStyle:
        f.createDimension('scalar', 1)
    if data.has_key('comment'):
        f.comment = data['comment']
    else:
        f.comment = 'created by MeteonormFile.py (v%s)' % version
    if data.has_key('source_file'):
        f.source_file = str(data['source_file'])
    for vn in ('latitude', 'longitude', 'height'):
        setattr(f, vn, data[vn])
        if oldStyle:
            v = f.createVariable(vn, 'd', ('scalar', ))
            v[:] = [data[vn]]
    setattr(f, 'longitude_0', 15.0*data['timezone'])
    if oldStyle:
        v = f.createVariable('longitude_0', 'd', ('scalar', ))
        v[:] = [15.0 * data['timezone']]
    for vn in variables.keys():
        t = variables[vn][1]
        v = f.createVariable(vn, t, ('time',))
        v[:] = data[vn].astype(t)
        oname = variables[vn][0]
        if oname.startswith('<'): oname = oname[1:]
        if oname.endswith('>'): oname = oname[:-1]
        v.original_name = oname
        v.unit = variables[vn][2]
    f.sync()
    f.close()

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
 def test(self):
     # Create file
     FileName = '%s_out.nc' % self.Case
     print 'creating %s ...' % FileName
     File = NetCDFFile(FileName,'w')
     File.createDimension('time',None)
     var = File.createVariable('time','f',('time',))
     var.long_name = 'time'
     var.units = ' '
     File.createDimension('lat',len(self.data.lat))
     var = File.createVariable('lat','f',('lat',))
     var.long_name = 'latitude'
     var.units = 'degrees_north'
     var[:] = self.data.lat.astype('f')
     File.createDimension('lon',len(self.data.lon))
     var = File.createVariable('lon','f',('lon',))
     var.long_name = 'longitude'
     var.units = 'degrees_east'
     var[:] = self.data.lon.astype('f')
     for Field in ['SwToa','LwToa','SwToaCf','LwToaCf']:
         var = File.createVariable(Field,'f',('time','lat','lon'))
         var.long_name = ''
         var.units = 'W m-2'
     lmax = 3
     for l in range(lmax):
         print 'doing %s of %s' % (l+1,lmax)
         # get data
         Data = self.getFields(l)[0]
         Data.update(self.Fixed)
         # compute
         self.r(**Data)
         File.variables['SwToa'][l] = self.r['SwToa'].astype('f')
         File.variables['LwToa'][l] = -self.r['LwToa'].astype('f')
         File.variables['SwToaCf'][l] = self.r['SwToaCf'].astype('f')
         File.variables['LwToaCf'][l] = self.r['LwToaCf'].astype('f')
     File.close()

# 需要导入模块: from Scientific.IO.NetCDF import NetCDFFile [as 别名]
# 或者: from Scientific.IO.NetCDF.NetCDFFile import createVariable [as 别名]
    def write(cls, filename, data, header=""):
        '''
        Write a set of output variables into a NetCDF file.
                
        :param filename: the path to the output NetCDF file.
        :type filename: str
        :param data: the data to be written out.
        :type data: dict of Framework.OutputVariables.IOutputVariable
        :param header: the header to add to the output file.
        :type header: str
        '''
                
        filename = os.path.splitext(filename)[0]

        filename = "%s%s" % (filename,cls.extensions[0])
       
        # The NetCDF output file is opened for writing.
        outputFile = NetCDFFile(filename, 'w')
        
        if header:
            outputFile.header = header
        
        # Loop over the OutputVariable instances to write.
        
        for var in data.values():
                                    
            varName = str(var.name).strip().encode('string-escape').replace('/', '|')
            
            # The NetCDF dimensions are created for all the dimensions of the OutputVariable instance.
            dimensions = []
            for i,v in enumerate(var.shape):
                name = str("%s_%d" % (varName,i))
                dimensions.append(name)
                outputFile.createDimension(name, int(v))

            # A NetCDF variable instance is created for the running OutputVariable instance.        
            NETCDFVAR = outputFile.createVariable(varName, numpy.dtype(var.dtype).char, tuple(dimensions))

            # The array stored in the OutputVariable instance is written to the NetCDF file.
            NETCDFVAR.assignValue(var)  

            # All the attributes stored in the OutputVariable instance are written to the NetCDF file.
            for k, v in vars(var).items():
                setattr(NETCDFVAR,str(k),str(v))
        
        # The NetCDF file is closed.
        outputFile.close()