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Python Data.timsort方法代码示例

本文整理汇总了Python中pycmbs.data.Data.timsort方法的典型用法代码示例。如果您正苦于以下问题:Python Data.timsort方法的具体用法?Python Data.timsort怎么用?Python Data.timsort使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在pycmbs.data.Data的用法示例。


在下文中一共展示了Data.timsort方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: get_model_data_generic

# 需要导入模块: from pycmbs.data import Data [as 别名]
# 或者: from pycmbs.data.Data import timsort [as 别名]

#.........这里部分代码省略.........

        #/// PREPROCESSING ///
        cdo = Cdo()
        s_start_time = str(self.start_time)[0:10]
        s_stop_time = str(self.stop_time)[0:10]

        #1) select timeperiod and generate monthly mean file
        if target_grid == 't63grid':
            gridtok = 'T63'
        else:
            gridtok = 'SPECIAL_GRID'

        file_monthly = filename1[:-3] + '_' + s_start_time + '_' + s_stop_time + '_' + gridtok + '_monmean.nc'  # target filename
        file_monthly = get_temporary_directory() + os.path.basename(file_monthly)

        sys.stdout.write('\n *** Model file monthly: %s\n' % file_monthly)

        if not os.path.exists(filename1):
            print 'WARNING: File not existing: ' + filename1
            return None

        cdo.monmean(options='-f nc', output=file_monthly, input='-' + interpolation + ',' + target_grid + ' -seldate,' + s_start_time + ',' + s_stop_time + ' ' + filename1, force=force_calc)

        sys.stdout.write('\n *** Reading model data... \n')
        sys.stdout.write('     Interval: ' + interval + '\n')

        #2) calculate monthly or seasonal climatology
        if interval == 'monthly':
            mdata_clim_file = file_monthly[:-3] + '_ymonmean.nc'
            mdata_sum_file = file_monthly[:-3] + '_ymonsum.nc'
            mdata_N_file = file_monthly[:-3] + '_ymonN.nc'
            mdata_clim_std_file = file_monthly[:-3] + '_ymonstd.nc'
            cdo.ymonmean(options='-f nc -b 32', output=mdata_clim_file, input=file_monthly, force=force_calc)
            cdo.ymonsum(options='-f nc -b 32', output=mdata_sum_file, input=file_monthly, force=force_calc)
            cdo.ymonstd(options='-f nc -b 32', output=mdata_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc', output=mdata_N_file, input=mdata_sum_file + ' ' + mdata_clim_file, force=force_calc)  # number of samples
        elif interval == 'season':
            mdata_clim_file = file_monthly[:-3] + '_yseasmean.nc'
            mdata_sum_file = file_monthly[:-3] + '_yseassum.nc'
            mdata_N_file = file_monthly[:-3] + '_yseasN.nc'
            mdata_clim_std_file = file_monthly[:-3] + '_yseasstd.nc'
            cdo.yseasmean(options='-f nc -b 32', output=mdata_clim_file, input=file_monthly, force=force_calc)
            cdo.yseassum(options='-f nc -b 32', output=mdata_sum_file, input=file_monthly, force=force_calc)
            cdo.yseasstd(options='-f nc -b 32', output=mdata_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc -b 32', output=mdata_N_file, input=mdata_sum_file + ' ' + mdata_clim_file, force=force_calc)  # number of samples
        else:
            raise ValueError('Unknown temporal interval. Can not perform preprocessing!')

        if not os.path.exists(mdata_clim_file):
            return None

        #3) read data
        if interval == 'monthly':
            thetime_cylce = 12
        elif interval == 'season':
            thetime_cylce = 4
        else:
            print interval
            raise ValueError('Unsupported interval!')
        mdata = Data(mdata_clim_file, varname, read=True, label=self._unique_name, unit=units, lat_name=lat_name, lon_name=lon_name, shift_lon=False, scale_factor=scf, level=thelevel, time_cycle=thetime_cylce)
        mdata_std = Data(mdata_clim_std_file, varname, read=True, label=self._unique_name + ' std', unit='-', lat_name=lat_name, lon_name=lon_name, shift_lon=False, level=thelevel, time_cycle=thetime_cylce)
        mdata.std = mdata_std.data.copy()
        del mdata_std
        mdata_N = Data(mdata_N_file, varname, read=True, label=self._unique_name + ' std', unit='-', lat_name=lat_name, lon_name=lon_name, shift_lon=False, scale_factor=scf, level=thelevel)
        mdata.n = mdata_N.data.copy()
        del mdata_N

        #ensure that climatology always starts with January, therefore set date and then sort
        mdata.adjust_time(year=1700, day=15)  # set arbitrary time for climatology
        mdata.timsort()

        #4) read monthly data
        mdata_all = Data(file_monthly, varname, read=True, label=self._unique_name, unit=units, lat_name=lat_name, lon_name=lon_name, shift_lon=False, time_cycle=12, scale_factor=scf, level=thelevel)
        mdata_all.adjust_time(day=15)

        #mask_antarctica masks everything below 60 degrees S.
        #here we only mask Antarctica, if only LAND points shall be used
        if valid_mask == 'land':
            mask_antarctica = True
        elif valid_mask == 'ocean':
            mask_antarctica = False
        else:
            mask_antarctica = False

        if target_grid == 't63grid':
            mdata._apply_mask(get_T63_landseamask(False, area=valid_mask, mask_antarctica=mask_antarctica))
            mdata_all._apply_mask(get_T63_landseamask(False, area=valid_mask, mask_antarctica=mask_antarctica))
        else:
            tmpmsk = get_generic_landseamask(False, area=valid_mask, target_grid=target_grid, mask_antarctica=mask_antarctica)
            mdata._apply_mask(tmpmsk)
            mdata_all._apply_mask(tmpmsk)
            del tmpmsk

        mdata_mean = mdata_all.fldmean()

        # return data as a tuple list
        retval = (mdata_all.time, mdata_mean, mdata_all)

        del mdata_all
        return mdata, retval
开发者ID:zengeo,项目名称:pycmbs,代码行数:104,代码来源:cmip5.py

示例2: xxxxxget_surface_shortwave_radiation_up

# 需要导入模块: from pycmbs.data import Data [as 别名]
# 或者: from pycmbs.data.Data import timsort [as 别名]
    def xxxxxget_surface_shortwave_radiation_up(self, interval='season', force_calc=False, **kwargs):

        the_variable = 'rsus'

        if self.type == 'CMIP5':
            filename1 = self.data_dir + the_variable + os.sep + self.experiment + os.sep + 'ready' + os.sep + self.model + os.sep + 'rsus_Amon_' + self.model + '_' + self.experiment + '_ensmean.nc'
        elif self.type == 'CMIP5RAW':  # raw CMIP5 data based on ensembles
            filename1 = self._get_ensemble_filename(the_variable)
        elif self.type == 'CMIP5RAWSINGLE':
            filename1 = self.get_single_ensemble_file(the_variable, mip='Amon', realm='atmos', temporal_resolution='mon')
        else:
            raise ValueError('Unknown type! not supported here!')

        if self.start_time is None:
            raise ValueError('Start time needs to be specified')
        if self.stop_time is None:
            raise ValueError('Stop time needs to be specified')

        if not os.path.exists(filename1):
            print ('WARNING file not existing: %s' % filename1)
            return None

        # PREPROCESSING
        cdo = Cdo()
        s_start_time = str(self.start_time)[0:10]
        s_stop_time = str(self.stop_time)[0:10]

        #1) select timeperiod and generate monthly mean file
        file_monthly = filename1[:-3] + '_' + s_start_time + '_' + s_stop_time + '_T63_monmean.nc'
        file_monthly = get_temporary_directory() + os.path.basename(file_monthly)
        cdo.monmean(options='-f nc', output=file_monthly, input='-remapcon,t63grid -seldate,' + s_start_time + ',' + s_stop_time + ' ' + filename1, force=force_calc)

        #2) calculate monthly or seasonal climatology
        if interval == 'monthly':
            sup_clim_file = file_monthly[:-3] + '_ymonmean.nc'
            sup_sum_file = file_monthly[:-3] + '_ymonsum.nc'
            sup_N_file = file_monthly[:-3] + '_ymonN.nc'
            sup_clim_std_file = file_monthly[:-3] + '_ymonstd.nc'
            cdo.ymonmean(options='-f nc -b 32', output=sup_clim_file, input=file_monthly, force=force_calc)
            cdo.ymonsum(options='-f nc -b 32', output=sup_sum_file, input=file_monthly, force=force_calc)
            cdo.ymonstd(options='-f nc -b 32', output=sup_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc', output=sup_N_file, input=sup_sum_file + ' ' + sup_clim_file, force=force_calc)  # number of samples
        elif interval == 'season':
            sup_clim_file = file_monthly[:-3] + '_yseasmean.nc'
            sup_sum_file = file_monthly[:-3] + '_yseassum.nc'
            sup_N_file = file_monthly[:-3] + '_yseasN.nc'
            sup_clim_std_file = file_monthly[:-3] + '_yseasstd.nc'
            cdo.yseasmean(options='-f nc -b 32', output=sup_clim_file, input=file_monthly, force=force_calc)
            cdo.yseassum(options='-f nc -b 32', output=sup_sum_file, input=file_monthly, force=force_calc)
            cdo.yseasstd(options='-f nc -b 32', output=sup_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc -b 32', output=sup_N_file, input=sup_sum_file + ' ' + sup_clim_file, force=force_calc)  # number of samples
        else:
            print interval
            raise ValueError('Unknown temporal interval. Can not perform preprocessing! ')

        if not os.path.exists(sup_clim_file):
            print 'File not existing (sup_clim_file): ' + sup_clim_file
            return None

        #3) read data
        sup = Data(sup_clim_file, 'rsus', read=True, label=self._unique_name, unit='$W m^{-2}$', lat_name='lat', lon_name='lon', shift_lon=False)
        sup_std = Data(sup_clim_std_file, 'rsus', read=True, label=self._unique_name + ' std', unit='-', lat_name='lat', lon_name='lon', shift_lon=False)
        sup.std = sup_std.data.copy()
        del sup_std
        sup_N = Data(sup_N_file, 'rsus', read=True, label=self._unique_name + ' std', unit='-', lat_name='lat', lon_name='lon', shift_lon=False)
        sup.n = sup_N.data.copy()
        del sup_N

        # ensure that climatology always starts with January, therefore set date and then sort
        sup.adjust_time(year=1700, day=15)  # set arbitrary time for climatology
        sup.timsort()

        #4) read monthly data
        supall = Data(file_monthly, 'rsus', read=True, label=self._unique_name, unit='$W m^{-2}$', lat_name='lat', lon_name='lon', shift_lon=False)
        supall.adjust_time(day=15)
        if not supall._is_monthly():
            raise ValueError('Monthly timecycle expected here!')
        supmean = supall.fldmean()

        #/// return data as a tuple list
        retval = (supall.time, supmean, supall)
        del supall

        #/// mask areas without radiation (set to invalid): all data < 1 W/m**2
        #sup.data = np.ma.array(sis.data,mask=sis.data < 1.)

        return sup, retval
开发者ID:zengeo,项目名称:pycmbs,代码行数:89,代码来源:cmip5.py

示例3: xxxxxxxxxxxxxxxxxxxget_surface_shortwave_radiation_down

# 需要导入模块: from pycmbs.data import Data [as 别名]
# 或者: from pycmbs.data.Data import timsort [as 别名]
    def xxxxxxxxxxxxxxxxxxxget_surface_shortwave_radiation_down(self, interval='season', force_calc=False, **kwargs):
        """
        return data object of
        a) seasonal means for SIS
        b) global mean timeseries for SIS at original temporal resolution
        """

        the_variable = 'rsds'

        locdict = kwargs[self.type]
        valid_mask = locdict.pop('valid_mask')

        if self.start_time is None:
            raise ValueError('Start time needs to be specified')
        if self.stop_time is None:
            raise ValueError('Stop time needs to be specified')

        s_start_time = str(self.start_time)[0:10]
        s_stop_time = str(self.stop_time)[0:10]

        if self.type == 'CMIP5':
            filename1 = self.data_dir + 'rsds' + os.sep + self.experiment + '/ready/' + self.model + '/rsds_Amon_' + self.model + '_' + self.experiment + '_ensmean.nc'
        elif self.type == 'CMIP5RAW':  # raw CMIP5 data based on ensembles
            filename1 = self._get_ensemble_filename(the_variable)
        elif self.type == 'CMIP5RAWSINGLE':
            filename1 = self.get_single_ensemble_file(the_variable, mip='Amon', realm='atmos', temporal_resolution='mon')
        else:
            raise ValueError('Unknown model type! not supported here!')

        if not os.path.exists(filename1):
            print ('WARNING file not existing: %s' % filename1)
            return None

        #/// PREPROCESSING ///
        cdo = Cdo()

        #1) select timeperiod and generatget_she monthly mean file
        file_monthly = filename1[:-3] + '_' + s_start_time + '_' + s_stop_time + '_T63_monmean.nc'
        file_monthly = get_temporary_directory() + os.path.basename(file_monthly)

        print file_monthly

        sys.stdout.write('\n *** Model file monthly: %s\n' % file_monthly)
        cdo.monmean(options='-f nc', output=file_monthly, input='-remapcon,t63grid -seldate,' + s_start_time + ',' + s_stop_time + ' ' + filename1, force=force_calc)

        sys.stdout.write('\n *** Reading model data... \n')
        sys.stdout.write('     Interval: ' + interval + '\n')

        #2) calculate monthly or seasonal climatology
        if interval == 'monthly':
            sis_clim_file = file_monthly[:-3] + '_ymonmean.nc'
            sis_sum_file = file_monthly[:-3] + '_ymonsum.nc'
            sis_N_file = file_monthly[:-3] + '_ymonN.nc'
            sis_clim_std_file = file_monthly[:-3] + '_ymonstd.nc'
            cdo.ymonmean(options='-f nc -b 32', output=sis_clim_file, input=file_monthly, force=force_calc)
            cdo.ymonsum(options='-f nc -b 32', output=sis_sum_file, input=file_monthly, force=force_calc)
            cdo.ymonstd(options='-f nc -b 32', output=sis_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc', output=sis_N_file, input=sis_sum_file + ' ' + sis_clim_file, force=force_calc)  # number of samples
        elif interval == 'season':
            sis_clim_file = file_monthly[:-3] + '_yseasmean.nc'
            sis_sum_file = file_monthly[:-3] + '_yseassum.nc'
            sis_N_file = file_monthly[:-3] + '_yseasN.nc'
            sis_clim_std_file = file_monthly[:-3] + '_yseasstd.nc'
            cdo.yseasmean(options='-f nc -b 32', output=sis_clim_file, input=file_monthly, force=force_calc)
            cdo.yseassum(options='-f nc -b 32', output=sis_sum_file, input=file_monthly, force=force_calc)
            cdo.yseasstd(options='-f nc -b 32', output=sis_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc -b 32', output=sis_N_file, input=sis_sum_file + ' ' + sis_clim_file, force=force_calc)  # number of samples
        else:
            print interval
            raise ValueError('Unknown temporal interval. Can not perform preprocessing!')

        if not os.path.exists(sis_clim_file):
            return None

        #3) read data
        sis = Data(sis_clim_file, 'rsds', read=True, label=self._unique_name, unit='$W m^{-2}$', lat_name='lat', lon_name='lon', shift_lon=False)
        sis_std = Data(sis_clim_std_file, 'rsds', read=True, label=self._unique_name + ' std', unit='-', lat_name='lat', lon_name='lon', shift_lon=False)
        sis.std = sis_std.data.copy()
        del sis_std
        sis_N = Data(sis_N_file, 'rsds', read=True, label=self._unique_name + ' std', unit='-', lat_name='lat', lon_name='lon', shift_lon=False)
        sis.n = sis_N.data.copy()
        del sis_N

        #ensure that climatology always starts with January, therefore set date and then sort
        sis.adjust_time(year=1700, day=15)  # set arbitrary time for climatology
        sis.timsort()

        #4) read monthly data
        sisall = Data(file_monthly, 'rsds', read=True, label=self._unique_name, unit='W m^{-2}', lat_name='lat', lon_name='lon', shift_lon=False)
        if not sisall._is_monthly():
            raise ValueError('Timecycle of 12 expected here!')
        sisall.adjust_time(day=15)

        # land/sea masking ...
        if valid_mask == 'land':
            mask_antarctica = True
        elif valid_mask == 'ocean':
            mask_antarctica = False
        else:
            mask_antarctica = False
#.........这里部分代码省略.........
开发者ID:zengeo,项目名称:pycmbs,代码行数:103,代码来源:cmip5.py

示例4: _do_preprocessing

# 需要导入模块: from pycmbs.data import Data [as 别名]
# 或者: from pycmbs.data.Data import timsort [as 别名]
    def _do_preprocessing(self, rawfile, varname, s_start_time, s_stop_time, interval='monthly', force_calc=False, valid_mask='global', target_grid='t63grid'):
        """
        perform preprocessing
        * selection of variable
        * temporal subsetting
        """
        cdo = Cdo()

        if not os.path.exists(rawfile):
            print('File not existing! %s ' % rawfile)
            return None, None

        # calculate monthly means
        file_monthly = get_temporary_directory() + os.sep + os.path.basename(rawfile[:-3]) + '_' + varname + '_' + s_start_time + '_' + s_stop_time + '_mm.nc'
        if (force_calc) or (not os.path.exists(file_monthly)):
            cdo.monmean(options='-f nc', output=file_monthly, input='-seldate,' + s_start_time + ',' + s_stop_time + ' ' + '-selvar,' + varname + ' ' + rawfile, force=force_calc)
        else:
            pass
        if not os.path.exists(file_monthly):
            raise ValueError('Monthly preprocessing did not work! %s ' % file_monthly)

        # calculate monthly or seasonal climatology
        if interval == 'monthly':
            mdata_clim_file = file_monthly[:-3] + '_ymonmean.nc'
            mdata_sum_file = file_monthly[:-3] + '_ymonsum.nc'
            mdata_N_file = file_monthly[:-3] + '_ymonN.nc'
            mdata_clim_std_file = file_monthly[:-3] + '_ymonstd.nc'
            cdo.ymonmean(options='-f nc -b 32', output=mdata_clim_file, input=file_monthly, force=force_calc)
            cdo.ymonsum(options='-f nc -b 32', output=mdata_sum_file, input=file_monthly, force=force_calc)
            cdo.ymonstd(options='-f nc -b 32', output=mdata_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc', output=mdata_N_file, input=mdata_sum_file + ' ' + mdata_clim_file, force=force_calc)  # number of samples
        elif interval == 'season':
            mdata_clim_file = file_monthly[:-3] + '_yseasmean.nc'
            mdata_sum_file = file_monthly[:-3] + '_yseassum.nc'
            mdata_N_file = file_monthly[:-3] + '_yseasN.nc'
            mdata_clim_std_file = file_monthly[:-3] + '_yseasstd.nc'
            cdo.yseasmean(options='-f nc -b 32', output=mdata_clim_file, input=file_monthly, force=force_calc)
            cdo.yseassum(options='-f nc -b 32', output=mdata_sum_file, input=file_monthly, force=force_calc)
            cdo.yseasstd(options='-f nc -b 32', output=mdata_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc -b 32', output=mdata_N_file, input=mdata_sum_file + ' ' + mdata_clim_file, force=force_calc)  # number of samples
        else:
            raise ValueError('Unknown temporal interval. Can not perform preprocessing!')

        if not os.path.exists(mdata_clim_file):
            return None

        # read data
        if interval == 'monthly':
            thetime_cylce = 12
        elif interval == 'season':
            thetime_cylce = 4
        else:
            print interval
            raise ValueError('Unsupported interval!')

        mdata = Data(mdata_clim_file, varname, read=True, label=self.name, shift_lon=False, time_cycle=thetime_cylce, lat_name='lat', lon_name='lon')
        mdata_std = Data(mdata_clim_std_file, varname, read=True, label=self.name + ' std', unit='-', shift_lon=False, time_cycle=thetime_cylce, lat_name='lat', lon_name='lon')
        mdata.std = mdata_std.data.copy()
        del mdata_std
        mdata_N = Data(mdata_N_file, varname, read=True, label=self.name + ' std', shift_lon=False, lat_name='lat', lon_name='lon')
        mdata.n = mdata_N.data.copy()
        del mdata_N

        # ensure that climatology always starts with January, therefore set date and then sort
        mdata.adjust_time(year=1700, day=15)  # set arbitrary time for climatology
        mdata.timsort()

        #4) read monthly data
        mdata_all = Data(file_monthly, varname, read=True, label=self.name, shift_lon=False, time_cycle=12, lat_name='lat', lon_name='lon')
        mdata_all.adjust_time(day=15)

        #mask_antarctica masks everything below 60 degree S.
        #here we only mask Antarctica, if only LAND points shall be used
        if valid_mask == 'land':
            mask_antarctica = True
        elif valid_mask == 'ocean':
            mask_antarctica = False
        else:
            mask_antarctica = False

        if target_grid == 't63grid':
            mdata._apply_mask(get_T63_landseamask(False, area=valid_mask, mask_antarctica=mask_antarctica))
            mdata_all._apply_mask(get_T63_landseamask(False, area=valid_mask, mask_antarctica=mask_antarctica))
        else:
            tmpmsk = get_generic_landseamask(False, area=valid_mask, target_grid=target_grid, mask_antarctica=mask_antarctica)
            mdata._apply_mask(tmpmsk)
            mdata_all._apply_mask(tmpmsk)
            del tmpmsk

        mdata_mean = mdata_all.fldmean()

        # return data as a tuple list
        retval = (mdata_all.time, mdata_mean, mdata_all)

        del mdata_all
        return mdata, retval
开发者ID:marcelorodriguesss,项目名称:pycmbs,代码行数:98,代码来源:mpi_esm.py

示例5: get_jsbach_data_generic

# 需要导入模块: from pycmbs.data import Data [as 别名]
# 或者: from pycmbs.data.Data import timsort [as 别名]

#.........这里部分代码省略.........
            raise ValueError('Unknown variable type for JSBACH_RAW2 processing!')

        force_calc = False

        if self.start_time is None:
            raise ValueError('Start time needs to be specified')
        if self.stop_time is None:
            raise ValueError('Stop time needs to be specified')

        #/// PREPROCESSING ///
        cdo = Cdo()
        s_start_time = str(self.start_time)[0:10]
        s_stop_time = str(self.stop_time)[0:10]

        #1) select timeperiod and generate monthly mean file
        if target_grid == 't63grid':
            gridtok = 'T63'
        else:
            gridtok = 'SPECIAL_GRID'

        file_monthly = filename1[:-3] + '_' + s_start_time + '_' + s_stop_time + '_' + gridtok + '_monmean.nc'  # target filename
        file_monthly = get_temporary_directory() + os.path.basename(file_monthly)

        sys.stdout.write('\n *** Model file monthly: %s\n' % file_monthly)

        if not os.path.exists(filename1):
            print 'WARNING: File not existing: ' + filename1
            return None

        cdo.monmean(options='-f nc', output=file_monthly, input='-' + interpolation + ',' + target_grid + ' -seldate,' + s_start_time + ',' + s_stop_time + ' ' + filename1, force=force_calc)

        sys.stdout.write('\n *** Reading model data... \n')
        sys.stdout.write('     Interval: ' + interval + '\n')

        #2) calculate monthly or seasonal climatology
        if interval == 'monthly':
            mdata_clim_file = file_monthly[:-3] + '_ymonmean.nc'
            mdata_sum_file = file_monthly[:-3] + '_ymonsum.nc'
            mdata_N_file = file_monthly[:-3] + '_ymonN.nc'
            mdata_clim_std_file = file_monthly[:-3] + '_ymonstd.nc'
            cdo.ymonmean(options='-f nc -b 32', output=mdata_clim_file, input=file_monthly, force=force_calc)
            cdo.ymonsum(options='-f nc -b 32', output=mdata_sum_file, input=file_monthly, force=force_calc)
            cdo.ymonstd(options='-f nc -b 32', output=mdata_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc', output=mdata_N_file, input=mdata_sum_file + ' ' + mdata_clim_file, force=force_calc)  # number of samples
        elif interval == 'season':
            mdata_clim_file = file_monthly[:-3] + '_yseasmean.nc'
            mdata_sum_file = file_monthly[:-3] + '_yseassum.nc'
            mdata_N_file = file_monthly[:-3] + '_yseasN.nc'
            mdata_clim_std_file = file_monthly[:-3] + '_yseasstd.nc'
            cdo.yseasmean(options='-f nc -b 32', output=mdata_clim_file, input=file_monthly, force=force_calc)
            cdo.yseassum(options='-f nc -b 32', output=mdata_sum_file, input=file_monthly, force=force_calc)
            cdo.yseasstd(options='-f nc -b 32', output=mdata_clim_std_file, input=file_monthly, force=force_calc)
            cdo.div(options='-f nc -b 32', output=mdata_N_file, input=mdata_sum_file + ' ' + mdata_clim_file, force=force_calc)  # number of samples
        else:
            raise ValueError('Unknown temporal interval. Can not perform preprocessing! ')

        if not os.path.exists(mdata_clim_file):
            return None

        #3) read data
        if interval == 'monthly':
            thetime_cylce = 12
        elif interval == 'season':
            thetime_cylce = 4
        else:
            print interval
            raise ValueError('Unsupported interval!')
        mdata = Data(mdata_clim_file, varname, read=True, label=self.model, unit=units, lat_name=lat_name, lon_name=lon_name, shift_lon=False, scale_factor=scf, level=thelevel, time_cycle=thetime_cylce)
        mdata_std = Data(mdata_clim_std_file, varname, read=True, label=self.model + ' std', unit='-', lat_name=lat_name, lon_name=lon_name, shift_lon=False, level=thelevel, time_cycle=thetime_cylce)
        mdata.std = mdata_std.data.copy()
        del mdata_std
        mdata_N = Data(mdata_N_file, varname, read=True, label=self.model + ' std', unit='-', lat_name=lat_name, lon_name=lon_name, shift_lon=False, scale_factor=scf, level=thelevel)
        mdata.n = mdata_N.data.copy()
        del mdata_N

        #ensure that climatology always starts with J  anuary, therefore set date and then sort
        mdata.adjust_time(year=1700, day=15)  # set arbitrary time for climatology
        mdata.timsort()

        #4) read monthly data
        mdata_all = Data(file_monthly, varname, read=True, label=self.model, unit=units, lat_name=lat_name, lon_name=lon_name, shift_lon=False, time_cycle=12, scale_factor=scf, level=thelevel)
        mdata_all.adjust_time(day=15)

        if target_grid == 't63grid':
            mdata._apply_mask(get_T63_landseamask(False, area=valid_mask))
            mdata_all._apply_mask(get_T63_landseamask(False, area=valid_mask))
        else:
            tmpmsk = get_generic_landseamask(False, area=valid_mask, target_grid=target_grid)
            mdata._apply_mask(tmpmsk)
            mdata_all._apply_mask(tmpmsk)
            del tmpmsk

        mdata_mean = mdata_all.fldmean()

        # return data as a tuple list
        retval = (mdata_all.time, mdata_mean, mdata_all)

        del mdata_all

        return mdata, retval
开发者ID:marcelorodriguesss,项目名称:pycmbs,代码行数:104,代码来源:mpi_esm.py

示例6: get_model_data_generic

# 需要导入模块: from pycmbs.data import Data [as 别名]
# 或者: from pycmbs.data.Data import timsort [as 别名]

#.........这里部分代码省略.........
            thetime_cylce = 12
        elif interval == "season":
            thetime_cylce = 4
        else:
            print interval
            raise ValueError("Unsupported interval!")
        mdata = Data(
            mdata_clim_file,
            varname,
            read=True,
            label=self._unique_name,
            unit=units,
            lat_name=lat_name,
            lon_name=lon_name,
            shift_lon=False,
            scale_factor=scf,
            level=thelevel,
            time_cycle=thetime_cylce,
        )
        mdata_std = Data(
            mdata_clim_std_file,
            varname,
            read=True,
            label=self._unique_name + " std",
            unit="-",
            lat_name=lat_name,
            lon_name=lon_name,
            shift_lon=False,
            level=thelevel,
            time_cycle=thetime_cylce,
        )
        mdata.std = mdata_std.data.copy()
        del mdata_std
        mdata_N = Data(
            mdata_N_file,
            varname,
            read=True,
            label=self._unique_name + " std",
            unit="-",
            lat_name=lat_name,
            lon_name=lon_name,
            shift_lon=False,
            scale_factor=scf,
            level=thelevel,
        )
        mdata.n = mdata_N.data.copy()
        del mdata_N

        # ensure that climatology always starts with January, therefore set date and then sort
        mdata.adjust_time(year=1700, day=15)  # set arbitrary time for climatology
        mdata.timsort()

        # 4) read monthly data
        mdata_all = Data(
            file_monthly,
            varname,
            read=True,
            label=self._unique_name,
            unit=units,
            lat_name=lat_name,
            lon_name=lon_name,
            shift_lon=False,
            time_cycle=12,
            scale_factor=scf,
            level=thelevel,
        )
        mdata_all.adjust_time(day=15)

        # mask_antarctica masks everything below 60 degrees S.
        # here we only mask Antarctica, if only LAND points shall be used
        if valid_mask == "land":
            mask_antarctica = True
        elif valid_mask == "ocean":
            mask_antarctica = False
        else:
            mask_antarctica = False

        if target_grid == "t63grid":
            mdata._apply_mask(get_T63_landseamask(False, area=valid_mask, mask_antarctica=mask_antarctica))
            mdata_all._apply_mask(get_T63_landseamask(False, area=valid_mask, mask_antarctica=mask_antarctica))
        else:
            tmpmsk = get_generic_landseamask(
                False, area=valid_mask, target_grid=target_grid, mask_antarctica=mask_antarctica
            )
            mdata._apply_mask(tmpmsk)
            mdata_all._apply_mask(tmpmsk)
            del tmpmsk

        mdata_mean = mdata_all.fldmean()

        mdata._raw_filename = filename1
        mdata._monthly_filename = file_monthly
        mdata._clim_filename = mdata_clim_file
        mdata._varname = varname

        # return data as a tuple list
        retval = (mdata_all.time, mdata_mean, mdata_all)

        del mdata_all
        return mdata, retval
开发者ID:wk1984,项目名称:pycmbs,代码行数:104,代码来源:cmip5.py


注:本文中的pycmbs.data.Data.timsort方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。