Source code for pytesmo.io.sat.test.test_ascat

# Copyright (c) 2013,Vienna University of Technology, Department of Geodesy and Geoinformation
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'''
Created on Sep 30, 2013

@author: Christoph Paulik Christoph.Paulik@geo.tuwien.ac.at
'''


import os
import unittest
from pytesmo.io.sat import ascat

from datetime import datetime
import numpy as np
import matplotlib.pyplot as plt

[docs]class TestAscat(unittest.TestCase):
[docs] def setUp(self): self.ascat_folder = os.path.join(os.path.dirname(__file__), 'test_data', 'ascat', 'SSM') self.ascat_adv_folder = os.path.join(os.path.dirname(__file__), 'test_data', 'ascat', 'advisory_flags') # grid info file is too big to include on github self.ascat_grid_folder = os.path.join('/media', 'sf_D', 'pytesmo', 'test_data', 'ascat', 'grid') # init the ASCAT_SSM reader with the paths self.ascat_SSM_reader = ascat.Ascat_SSM(self.ascat_folder, self.ascat_grid_folder, advisory_flags_path=self.ascat_adv_folder)
[docs] def test_read_ssm(self): gpi = 2329253 result = self.ascat_SSM_reader.read_ssm(gpi) assert result.gpi == gpi assert result.longitude == 14.28413 assert result.latitude == 45.698074 assert list(result.data.columns) == ['ERR', 'SSF', 'SSM', 'frozen_prob', 'snow_prob'] assert len(result.data) == 2058 assert result.data.ix[15].name == datetime(2007, 1, 15, 19) assert result.data.ix[15]['ERR'] == 7 assert result.data.ix[15]['SSF'] == 1 assert result.data.ix[15]['SSM'] == 53 assert result.data.ix[15]['frozen_prob'] == 29 assert result.data.ix[15]['snow_prob'] == 0
[docs]class TestAscatNetCDF(unittest.TestCase):
[docs] def setUp(self): self.ascat_folder = os.path.join('/media', 'sf_R', 'Datapool_processed', 'WARP', 'WARP5.5', 'ASCAT_WARP5.5_R1.2', '080_ssm', 'netcdf') # grid info file is too big to include on github self.ascat_grid_folder = os.path.join('/media', 'sf_R', 'Datapool_processed', 'WARP', 'ancillary', 'warp5_grid') # init the ASCAT_SSM reader with the paths self.ascat_SSM_reader = ascat.AscatH25_SSM(self.ascat_folder, self.ascat_grid_folder)
[docs] def test_read_ssm(self): gpi = 2329253 result = self.ascat_SSM_reader.read_ssm(gpi, absolute_values=True) assert result.gpi == gpi np.testing.assert_approx_equal(result.longitude, 14.28413, significant=4) np.testing.assert_approx_equal(result.latitude, 45.698074, significant=4) assert list(result.data.columns) == ['orbit_dir', 'proc_flag', 'sm', 'sm_noise', 'ssf', 'sm_por_gldas', 'sm_noise_por_gldas', 'sm_por_hwsd', 'sm_noise_por_hwsd', 'frozen_prob', 'snow_prob'] assert len(result.data) == 2292 assert result.data.ix[15].name == datetime(2007, 1, 15, 19, 34, 42) assert result.data.ix[15]['sm'] == 52 assert result.data.ix[15]['ssf'] == 1 assert result.data.ix[15]['sm_noise'] == 7 assert result.data.ix[15]['frozen_prob'] == 29 assert result.data.ix[15]['snow_prob'] == 0 assert result.data.ix[15]['orbit_dir'] == 'A' assert result.data.ix[15]['proc_flag'] == 0 np.testing.assert_approx_equal(result.data.ix[15]['sm_por_gldas'], 0.2819555, significant=6) np.testing.assert_approx_equal(result.data.ix[15]['sm_noise_por_gldas'], 0.03795555, significant=6) np.testing.assert_approx_equal(result.data.ix[15]['sm_por_hwsd'], 0.2237216, significant=6) np.testing.assert_approx_equal(result.data.ix[15]['sm_noise_por_hwsd'], 0.03011637, significant=6) assert result.topo_complex == 14 assert result.wetland_frac == 0 np.testing.assert_approx_equal(result.porosity_gldas, 0.54222, significant=5) np.testing.assert_approx_equal(result.porosity_hwsd, 0.430234, significant=5)