def Process_File(source, destination, fileKeywords, moduleSections, valuesDict, mapDict):
if len(moduleSections) > 1:
raise Exception('Only one instance of %s allowed per FILE block' % os.path.basename(__file__))
if source == destination:
raise Exception('Will not write albedo into source spectra file. dest_filename must be defined')
instrument_name = Apply_Template(moduleSections[0].Get_Keyword_Value('instrument_name'), valuesDict, mapDict=mapDict)
if instrument_name == None or len(instrument_name) == 0:
raise Exception('instrument_name keyword must be specified for module: %s' % os.path.basename(__file__))
# Load spectra data source
spec_file_obj = OCO_Matrix(source)
radiances = []
for pixel_range in spec_file_obj.pixel_ranges():
radiances.append( spec_file_obj[ASCII_SPECTRA_RADIANCE_COLUMN][pixel_range[0]:pixel_range[1]] )
# Get SZA value
try:
sza_r = math.radians( float(spec_file_obj.header[ASCII_SPECTRA_SZA_KEYWORD].split()[0]) )
except KeyError:
raise KeyError('Could not find header keyword %s in spectrum file: %s' % (ASCII_SPECTRA_SZA_KEYWORD, source))
# Create apriori file from radiance data
create_albedo_apriori_from_radiance(radiances, sza_r, instrument_name, destination)
def average_profiles(input_file_list, output_file):
input_file_obj = open(input_file_list)
first_file = input_file_obj.readline()
input_file_obj.close()
first_obj = OCO_Matrix(first_file.strip())
dst_data = zeros((first_obj.dims[0], first_obj.dims[1]), dtype=float)
pres_col = first_obj.labels_lower.index("pressure")
dst_data[:, pres_col] = first_obj.data[:, pres_col]
input_file_obj = open(input_file_list)
count = 0
for curr_atm_file in input_file_obj.readlines():
curr_atm_file = curr_atm_file.strip()
# Load existing file
print "Loading %s" % curr_atm_file
file_obj = OCO_Matrix(curr_atm_file)
for col in range(file_obj.dims[1]):
if col != pres_col:
dst_data[:, col] += file_obj.data[:, col]
count += 1
for col in range(dst_data.shape[1]):
if col != pres_col:
dst_data[:, col] /= count
first_obj.data = dst_data
first_obj.write(output_file)
def create_log_p_profile(input_file, output_file, column, val0, lapse_rate):
# Load existing file
file_obj = OCO_Matrix(input_file)
num_rows = file_obj.dims[0]
val0 = float(val0)
lapse_rate = float(lapse_rate)
# Find existing pressure bounds
src_pres_col = file_obj.labels_lower.index("pressure")
pressure = numpy.zeros(num_rows, dtype=float)
for row in range(0, num_rows):
pressure[row] = float(file_obj.data[row][src_pres_col])
if column.isdigit():
dest_prof_col = column
else:
dest_prof_col = file_obj.labels_lower.index(column.lower())
# create log p profile
for row in range(num_rows - 1, 0, -1):
file_obj.data[row, dest_prof_col] = val0 - lapse_rate * (
math.log(pressure[num_rows - 1]) - math.log(pressure[row]))
file_obj.write(output_file)
def create_log_p_profile(input_file, output_file, column, val0, lapse_rate):
# Load existing file
file_obj = OCO_Matrix(input_file)
num_rows = file_obj.dims[0]
val0 = float(val0)
lapse_rate = float(lapse_rate)
# Find existing pressure bounds
src_pres_col = file_obj.labels_lower.index("pressure")
pressure = numpy.zeros(num_rows, dtype=float)
for row in range(0, num_rows):
pressure[row] = float(file_obj.data[row][src_pres_col])
if column.isdigit():
dest_prof_col = column
else:
dest_prof_col = file_obj.labels_lower.index(column.lower())
# create log p profile
for row in range(num_rows-1,0,-1):
file_obj.data[row, dest_prof_col] = val0 - lapse_rate * (math.log(pressure[num_rows-1])-math.log(pressure[row]))
file_obj.write(output_file)
def scale_cov_by_corr(input_file, output_file, scale_factor):
# Load existing file
matrix_obj = OCO_Matrix(input_file)
rows = range(matrix_obj.dims[0])
cols = range(matrix_obj.dims[1])
data_new = numpy.zeros((matrix_obj.dims[0], matrix_obj.dims[1]), dtype=float)
for row_idx in rows:
for col_idx in cols:
rho_old = matrix_obj.data[row_idx, col_idx] / \
(math.sqrt(matrix_obj.data[row_idx, row_idx]) * math.sqrt(matrix_obj.data[col_idx, col_idx]))
if rho_old < 0.0:
sign = -1.0
else:
sign = 1.0
fact_new = float(scale_factor) * (1.0 - abs(rho_old))
if abs(rho_old) < 1e-40:
rho_new = 0.0
elif fact_new > 1.0:
rho_new = 0.0
else:
rho_new = 1.0 - fact_new
data_new[row_idx, col_idx] = sign * rho_new * \
(math.sqrt(matrix_obj.data[row_idx, row_idx]) * math.sqrt(matrix_obj.data[col_idx, col_idx]))
matrix_obj.data = data_new
matrix_obj.write(output_file)
def remove_bad_data_all(input_file, output_file, check_col, check_val):
# Load existing file
file_obj = OCO_Matrix(input_file)
num_rows = file_obj.dims[0]
if check_col.isdigit():
check_col = int(check_col)
else:
check_col = file_obj.labels_lower.index(check_col.lower())
good_mask = []
for row_idx in range(num_rows):
if not re.search(str(check_val).lower(), str(file_obj.data[row_idx, check_col]).lower()):
good_mask.append(row_idx)
cleaned_data = numpy.zeros((len(good_mask), file_obj.dims[1]), dtype=float)
new_data_idx = 0
for good_row in good_mask:
cleaned_data[new_data_idx, :] = file_obj.data[good_row, :]
new_data_idx += 1
file_obj.data = cleaned_data
file_obj.write(output_file)
def remove_bad_data_all(input_file, output_file, check_col, check_val):
# Load existing file
file_obj = OCO_Matrix(input_file)
num_rows = file_obj.dims[0]
if check_col.isdigit():
check_col = int(check_col)
else:
check_col = file_obj.labels_lower.index(check_col.lower())
good_mask = []
for row_idx in range(num_rows):
if not re.search(
str(check_val).lower(),
str(file_obj.data[row_idx, check_col]).lower()):
good_mask.append(row_idx)
cleaned_data = numpy.zeros((len(good_mask), file_obj.dims[1]), dtype=float)
new_data_idx = 0
for good_row in good_mask:
cleaned_data[new_data_idx, :] = file_obj.data[good_row, :]
new_data_idx += 1
file_obj.data = cleaned_data
file_obj.write(output_file)
def extract_acos_spectra(acos_l1b_file,
output_dir,
sounding_id_list=None,
average_pol=False):
if average_pol:
average_name = 'Polarization'
else:
average_name = None
with contextlib.closing(ACOS_File.L1B(acos_l1b_file)) as acos_l1b_obj:
if sounding_id_list == None or len(sounding_id_list) == 0:
sounding_id_list = acos_l1b_obj.get_sounding_ids(
add_polarization=not average_pol)
for sounding_id in numpy.ravel(sounding_id_list):
ascii_obj = OCO_Matrix()
sounding_info_dict = acos_l1b_obj.get_sounding_info_dict(
sounding_id, ignore_missing=True, average=average_name)
write_ascii_from_hdf(acos_l1b_obj, sounding_info_dict, ascii_obj,
sounding_id, average_name)
output_filename = os.path.join(output_dir, '%s.dat' % sounding_id)
print 'Writing %s' % output_filename
ascii_obj.write(output_filename, default_precision=16)
def noisify_spectra_file(input_radiance_file, output_radiance_file, **kwarg):
# Load existing file
matrix_obj = OCO_Matrix(input_radiance_file)
noisify_spectra_obj(matrix_obj, **kwargs)
matrix_obj.write(output_radiance_file, auto_size_cols=False)
def noisify_spectra_file(input_radiance_file, output_radiance_file, **kwarg):
# Load existing file
matrix_obj = OCO_Matrix(input_radiance_file)
noisify_spectra_obj(matrix_obj, **kwargs)
matrix_obj.write(output_radiance_file, auto_size_cols=False)
def Process_File(source, destination, fileKeywords, moduleSections, valuesDict, mapDict, buffer_objs):
matrix_obj = OCO_Matrix(source)
for noisifySect in moduleSections:
noise_cut_off = Apply_Template(noisifySect.Get_Keyword_Value('noise_cut_off'), valuesDict, mapDict=mapDict)
pixel_rows = Apply_Template(noisifySect.Get_Keyword_Value('pixel_rows'), valuesDict, mapDict=mapDict)
noisify_spectra_obj(matrix_obj, row_range_spec=pixel_rows, noise_cut_off=noise_cut_off)
matrix_obj.write(destination, auto_size_cols=False)
def get_data_object(data_filename):
# Try to load data using OCO_Matrix class
try:
data_obj = OCO_Matrix(data_filename)
return data_obj
except:
pass
# Now load file as tabled data
table_file_obj = open(data_filename, 'r')
file_lines = table_file_obj.readlines()
table_file_obj.close()
# Seperate each line by spaces. Keep count of maximum
# number of columns seen for when file is added so we can
# know how to size the resultng matrix
max_cols = 0
file_rows = []
for line in file_lines:
if line.find('#') < 0 and len(line.strip()) != 0:
line_cols = line.strip().split()
file_rows.append(line_cols)
max_cols = max(max_cols, len(line_cols))
# data_mat = numpy.zeros((len(file_rows), max_cols), dtype=float)
data_mat = numpy.zeros((len(file_rows), max_cols), dtype=numpy.chararray)
for row_idx in range(len(file_rows)):
num_cols = len(file_rows[row_idx])
for col_idx in range(num_cols):
col_value = file_rows[row_idx][col_idx]
data_mat[row_idx][col_idx] = col_value
# try:
# data_mat[row_idx][col_idx] = float(col_value)
# except:
# data_mat[row_idx][col_idx] = fill_value
# Create label names based on filename and index or else can
# not select specific columns
label_base = os.path.basename(data_filename)
label_base = label_base[0:label_base.rfind('.')] # Remove extension
data_labels = []
for col_idx in range(max_cols):
data_labels.append( get_column_format(max_cols) % (label_base, col_idx) )
# Save data into OCO Matrix object
data_obj = OCO_Matrix()
data_obj.dims = [len(file_rows), max_cols]
data_obj.labels = data_labels
data_obj.data = data_mat
return data_obj
def Process_File(source, destination, fileKeywords, moduleSections, valuesDict, mapDict):
logger = logging.getLogger(os.path.basename(__file__))
for currSection in moduleSections:
if str(source) == str(destination):
raise IOError("source and destination must be different. will not overwrite source file")
rows = Apply_Template(moduleSections[0].Get_Keyword_Value("rows"), valuesDict, mapDict=mapDict)
columns = Apply_Template(moduleSections[0].Get_Keyword_Value("columns"), valuesDict, mapDict=mapDict)
identifier = Apply_Template(moduleSections[0].Get_Keyword_Value("identifier"), valuesDict, mapDict=mapDict)
initial_value = Apply_Template(moduleSections[0].Get_Keyword_Value("initial_value"), valuesDict, mapDict=mapDict)
map_filename = Apply_Template(moduleSections[0].Get_Keyword_Value("map_filename"), valuesDict, mapDict=mapDict)
modify = moduleSections[0].Get_Keyword_Value("modify")
# Load ranges from RANGES section of module
max_range_val = None
range_values = {}
for range_sect in moduleSections[0].Get_Section("->RANGES"):
for range_spec in range_sect.Get_Matrix_Data():
(range_name, range_str) = range_spec
if range_str.find(",") > 0:
curr_range = [float(val) for val in range_str.split(",")]
else:
curr_range = [float(val) for val in range_str.split()]
if max_range_val == None:
max_range_val = max(curr_range)
else:
max_range_val = max(max_range_val, max(curr_range))
range_values[range_name] = curr_range
if len(range_values) == 0:
logger.error("No index range list supplied for operating on source: %s" % source)
return
# Load source for data to map agains
data_obj = OCO_Matrix(source)
# Set columns to all if argument not supplied,
# Otherwise try parsing as an index range list failing that try
# using the specified columns as label names
if columns == None:
columns = range(data_obj.dims[1])
else:
try:
columns = index_range_list(columns)
except ValueError, TypeError:
columns = data_obj.find_labels(columns, match_case=False, indexes=True)
def write_xco2_file(log_sounding_dict, xco2_filename):
xco2_fileobj = OCO_Matrix()
xco2_fileobj.file_id = 'True xco2 from orbit simulator'
xco2_fileobj.labels = [XCO2_LABEL_NAME]
xco2_fileobj.data = numpy.zeros((1,1), dtype=float)
xco2_fileobj.data[0,0] = log_sounding_dict[XCO2_COL_NAME]
xco2_fileobj.write(xco2_filename)
def create_mean_psurf(runlog_file, psurf_file):
print 'runlog_file = ', runlog_file
print 'psurf_file = ', psurf_file
runlog_fobj = open(runlog_file, "r")
header_cols = runlog_fobj.readline().split()
pout_col = header_cols.index('pout')
pouts = []
for runlog_line in runlog_fobj.readlines():
runlog_parts = runlog_line.split()
pouts.append(float(runlog_parts[pout_col]))
runlog_fobj.close()
avg_psurf = mean(pouts) * 1e2
out_mat_obj = OCO_Matrix()
out_mat_obj.file_id = "Mean surface pressure from runlog file: %s" % runlog_file
out_mat_obj.labels = ['LEVEL', 'PSURF']
out_mat_obj.data = ones((1, 2), dtype=float)
out_mat_obj.data[0, 1] = avg_psurf
out_mat_obj.write(psurf_file)
def set_noise_col(input_file, output_file, snr):
snr = float(snr)
file_obj = OCO_Matrix(input_file)
rad_col = file_obj.labels_lower.index("radiance")
noise_col = file_obj.labels_lower.index("noise")
noise_val = max(file_obj.data[:, rad_col]) / snr
file_obj.data[:, noise_col] = noise_val
file_obj.write(output_file)
def set_noise_col(input_file, output_file, snr):
snr = float(snr)
file_obj = OCO_Matrix(input_file)
rad_col = file_obj.labels_lower.index("radiance")
noise_col = file_obj.labels_lower.index("noise")
noise_val = max( file_obj.data[:, rad_col] ) / snr
file_obj.data[:, noise_col] = noise_val
file_obj.write(output_file)
def write_radcnv_file(output_filename,
column_names,
sheet,
input_rows,
input_cols,
scaling=1.0):
file_obj = OCO_Matrix()
file_obj.labels = column_names
file_obj.file_id = FILE_ID
file_obj.data = numpy.zeros((len(input_rows), len(input_cols)),
dtype=numpy.chararray)
out_row_idx = 0
for in_row_idx, out_row_idx in zip(input_rows, range(len(input_rows))):
for in_col_idx, out_col_idx in zip(input_cols, range(len(input_cols))):
cell_data = get_cell_data(sheet, in_row_idx, in_col_idx)
if cell_data != None and column_names[
out_col_idx] != WAVENUMBER_COLUMN_NAME:
try:
cell_data *= scaling
except TypeError as e:
raise TypeError(
'%s: cell_data = "%s", scaling = "%s" at row: %d column %d'
% (e, cell_data, scaling, in_row_idx, in_col_idx))
file_obj.data[out_row_idx, out_col_idx] = cell_data
print 'Writing output filename: %s' % output_filename
file_obj.write(output_filename)
def get_cached_file(self, file_path, file_glob, required=False, use_first=False, **addl_args):
if file_glob == None:
return None
if hasattr(file_glob, '__iter__'):
found_files = []
for curr_glob in file_glob:
curr_files = glob.glob( os.path.join(file_path, curr_glob) )
if len(curr_files) > 0:
found_files = curr_files
break
else:
found_files = glob.glob( os.path.join(file_path, file_glob) )
if len(found_files) == 0:
if required:
raise OSError('Could not find at path: "%s" any files matching glob: "%s"' % (file_path, file_glob))
else:
return None
elif len(found_files) > 1 and not use_first:
raise OSError('Found too many files files at path: "%s" with glob: "%s", found: %s' % (file_path, file_glob, found_files))
if self.file_cache.has_key(found_files[0]):
file_obj = self.file_cache[ found_files[0] ]
else:
file_obj = OCO_Matrix( found_files[0], **addl_args )
self.file_cache[ found_files[0] ] = file_obj
return file_obj
def _load_sens_conv_files(self):
self.sens_corr_data = []
for curr_band in SWIR_BANDS:
corr_file = RAD_CNV_FILE_TMPL % curr_band
corr_obj = OCO_Matrix(corr_file, ignore_conv_err=True)
self.sens_corr_data.append(corr_obj)
def Process_File(source, destination, fileKeywords, moduleSections, valuesDict,
mapDict):
if len(moduleSections) > 1:
raise RuntimeError('Only one input file config set per file')
if str(source) == str(destination):
raise ValueError(
'source and dest filenames must be different. will not overwrite source file'
)
spectrum_file = Apply_Template(
moduleSections[0].Get_Keyword_Value('spectrum_file'),
valuesDict,
mapDict=mapDict)
if type(source) is str and not os.path.exists(source):
raise IOError('Runlog file %s does not exist' % source)
base_spec_name = os.path.basename(spectrum_file)
# Use grep because its faster than doing it outself
matched_line = None
if type(source) == str:
grep_cmd = "grep -E " + base_spec_name + " " + source
matched_line = os.popen(grep_cmd).readline()
elif hasattr(source, 'read'):
for curr_line in source.readlines():
if re.search(base_spec_name, curr_line):
matched_line = curr_line
break
else:
raise Exception('Unsupported object: %s' % source)
if matched_line == None or len(matched_line) == 0:
raise IOError('Could not find spectrum name: %s in run log file: %s' %
(base_spec_name, source))
try:
matched_columns = matched_line.split()
psurf_val = float(matched_columns[pout_col_idx]) * convert_factor
except:
raise ValueError(
'Failed to parse psurf value from: "%s" from runlog line: %s' %
(matched_columns[pout_col_idx], matched_line))
out_obj = OCO_Matrix()
out_obj.data = numpy.zeros((1, 1), dtype=float)
out_obj.data[0, 0] = psurf_val
out_obj.file_id = 'psurf value extracted for spectrum named: %s from runlog file: %s' % (
base_spec_name, source)
out_obj.labels = ['PSURF']
out_obj.write(destination)
def make_diag_only_cov(input_file, output_file):
# Load existing file
matrix_obj = OCO_Matrix(input_file)
rows = range(matrix_obj.dims[0])
cols = range(matrix_obj.dims[1])
data_new = numpy.zeros((matrix_obj.dims[0], matrix_obj.dims[1]), dtype=float)
for row_idx in rows:
for col_idx in cols:
if row_idx == col_idx:
data_new[row_idx, col_idx] = matrix_obj.data[row_idx, col_idx]
matrix_obj.data = data_new
matrix_obj.write(output_file)
def adjust_file_for_trend(self, src_apriori_file, time_struct, dst_apriori_file=None):
if dst_apriori_file == None:
dst_apriori_file = src_apriori_file
if type(dst_apriori_file) is str and os.path.realpath(os.path.dirname(dst_apriori_file)) == os.path.realpath(self.apriori_db_path):
raise IOError('Can not modify apriori file as located in database path, it must be copied first')
apriori_obj = OCO_Matrix(src_apriori_file)
co2_col_idx = apriori_obj.labels.index(apriori_obj.find_labels(CO2_APRIORI_CO2_COL)[0])
co2_offset = self.get_apriori_offset(time_struct, debug_values=apriori_obj.header)
apriori_obj.data[:, co2_col_idx] += co2_offset
apriori_obj.header['co2_offset'] = co2_offset
apriori_obj.write(dst_apriori_file)
def offset_column(input_file, output_file, columns, offset, method, pressure_range=None):
# Load existing file
matrix_obj = OCO_Matrix(input_file)
# Add ability to specify cols individually or using a * to goto end
cols = index_range_list(columns)
if offset.isdigit():
offset = float(offset)
else:
offset = eval(offset)
if pressure_range != None:
pres_col = matrix_obj.labels_lower.index("pressure")
pres_range_arr = pressure_range.split(',')
pres_val_beg = float(pres_range_arr[0])
pres_val_end = float(pres_range_arr[1])
pres_idx_beg = 0
pres_idx_end = matrix_obj.dims[0]
pres_column = []
[ pres_column.append(float(val[pres_col])) for val in matrix_obj.data ]
pres_idx_curr = 0
beg_found = False
for pres_val in pres_column:
if pres_val >= pres_val_beg and not beg_found:
pres_idx_beg = pres_idx_curr
beg_found = True
if pres_val <= pres_val_end:
pres_idx_end = pres_idx_curr + 1
pres_idx_curr += 1
target_rows = range(pres_idx_beg, pres_idx_end)
else:
target_rows = range(matrix_obj.dims[0])
for rowIdx in target_rows:
for colIdx in cols:
#print 'old_val[%d][%d] = %f' % (rowIdx, colIdx, matrix_obj.data[rowIdx][colIdx])
if method == '/':
matrix_obj.data[rowIdx][colIdx] = matrix_obj.data[rowIdx][colIdx] / offset
elif method == '-':
matrix_obj.data[rowIdx][colIdx] = matrix_obj.data[rowIdx][colIdx] - offset
elif method == '*':
matrix_obj.data[rowIdx][colIdx] = matrix_obj.data[rowIdx][colIdx] * offset
else:
matrix_obj.data[rowIdx][colIdx] = matrix_obj.data[rowIdx][colIdx] + offset
#print 'new_val[%d][%d] = %f' % (rowIdx, colIdx, matrix_obj.data[rowIdx][colIdx])
matrix_obj.write(output_file)
def create_mean_psurf(runlog_file, psurf_file):
print 'runlog_file = ', runlog_file
print 'psurf_file = ', psurf_file
runlog_fobj = open(runlog_file, "r")
header_cols = runlog_fobj.readline().split()
pout_col = header_cols.index('pout')
pouts = []
for runlog_line in runlog_fobj.readlines():
runlog_parts = runlog_line.split()
pouts.append(float(runlog_parts[pout_col]))
runlog_fobj.close()
avg_psurf = mean(pouts) * 1e2
out_mat_obj = OCO_Matrix()
out_mat_obj.file_id = "Mean surface pressure from runlog file: %s" % runlog_file
out_mat_obj.labels = ['LEVEL', 'PSURF']
out_mat_obj.data = ones((1, 2), dtype=float)
out_mat_obj.data[0, 1] = avg_psurf
out_mat_obj.write(psurf_file)
def random_column(input_file, output_file, columns, mean, std_dev):
# Load existing file
matrix_obj = OCO_Matrix(input_file)
# Add ability to specify cols individually or using a * to goto end
cols = index_range_list(columns)
mean = float(mean)
std_dev = float(std_dev)
target_rows = range(matrix_obj.dims[0])
for rowIdx in target_rows:
for colIdx in cols:
matrix_obj.data[rowIdx][colIdx] = random.gauss(mean, std_dev)
matrix_obj.write(output_file)
def read(self, filename):
self.filename = filename
file_obj = OCO_Matrix(filename)
self.global_mean = float(file_obj.header['global_ocean_mean'])
self.months = file_obj['Month']
self.surface_values = file_obj['Surface_']
def random_column(input_file, output_file, columns, mean, std_dev):
# Load existing file
matrix_obj = OCO_Matrix(input_file)
# Add ability to specify cols individually or using a * to goto end
cols = index_range_list(columns)
mean = float(mean)
std_dev = float(std_dev)
target_rows = range(matrix_obj.dims[0])
for rowIdx in target_rows:
for colIdx in cols:
matrix_obj.data[rowIdx][colIdx] = random.gauss(mean, std_dev)
matrix_obj.write(output_file)
def scale_ils_table(input_file, output_file, scale_factor):
# Load existing file
print "Reading %s" % input_file
file_obj = OCO_Matrix(input_file)
scale_factor = float(scale_factor)
for row_idx in range(file_obj.dims[0]):
for lbl_idx in range(file_obj.dims[1]):
if file_obj.labels_lower[lbl_idx].find("ils_delta_lambda_") == 0:
file_obj.data[row_idx, lbl_idx] *= scale_factor
if file_obj.labels_lower[lbl_idx].find("ils_response_") == 0:
file_obj.data[row_idx, lbl_idx] = (1.0 / scale_factor) * file_obj.data[row_idx, lbl_idx]
print "Writing %s" % output_file
file_obj.write(output_file)
def make_diag_only_cov(input_file, output_file):
# Load existing file
matrix_obj = OCO_Matrix(input_file)
rows = range(matrix_obj.dims[0])
cols = range(matrix_obj.dims[1])
data_new = numpy.zeros((matrix_obj.dims[0], matrix_obj.dims[1]),
dtype=float)
for row_idx in rows:
for col_idx in cols:
if row_idx == col_idx:
data_new[row_idx, col_idx] = matrix_obj.data[row_idx, col_idx]
matrix_obj.data = data_new
matrix_obj.write(output_file)
def interpol_cov(input_file, output_file, src_pressure_file, dst_pressure_file):
# Load existing file
file_obj = OCO_Matrix(input_file)
# Find existing pressure bounds
pres_src_obj = OCO_Matrix(src_pressure_file)
src_pres_col = pres_src_obj.labels_lower.index("pressure")
num_levels_src = pres_src_obj.dims[0]
pressure_src = pres_src_obj.data[:, src_pres_col]
pres_dst_obj = OCO_Matrix(dst_pressure_file)
dst_pres_col = pres_dst_obj.labels_lower.index("pressure")
num_levels_dst = pres_dst_obj.dims[0]
pressure_dst = pres_dst_obj.data[:, dst_pres_col]
M = numpy.zeros((num_levels_dst, num_levels_src), dtype=float)
# Setup Interpolation Matrix
for i in range(num_levels_dst):
for j in range(num_levels_src):
if (pressure_dst[i] <= pressure_src[j]):
lev = j
break
if (lev > 0):
M[i, lev] = \
(math.log(pressure_dst[i]) - math.log(pressure_src[lev-1])) \
/ (math.log(pressure_src[lev]) \
- math.log(pressure_src[lev-1]))
else:
M[i, lev] = 1.0
if (i > 0):
M[i, lev-1] = \
(-math.log(pressure_dst[i]) + math.log(pressure_src[lev-1])) \
/ (math.log(pressure_src[lev]) \
- math.log(pressure_src[lev-1])) + 1
# Use interpolation matrix to create new covariance
shat_out = (mat(M) * mat(file_obj.data)) * transpose(mat(M))
file_obj.data = shat_out
file_obj.write(output_file, auto_size_cols=False)
def write_total_aod_file(log_sounding_dict, aod_filename):
# make aerosol_od_<sounding_id>.dat
aod_fileobj = OCO_Matrix()
aod_fileobj.file_id = 'True aerosol optical depth from orbit simulator'
aod_fileobj.labels = AOD_LABEL_NAMES
aod_fileobj.data = numpy.zeros((1,len(AOD_COL_NAMES)), dtype=float)
for out_idx, aer_col_name in enumerate(AOD_COL_NAMES):
aod_fileobj.data[0,out_idx] = log_sounding_dict[aer_col_name]
aod_fileobj.write(aod_filename)
def Process_File(source, destination, fileKeywords, moduleSections, valuesDict,
mapDict, buffer_objs):
matrix_obj = OCO_Matrix(source)
for noisifySect in moduleSections:
noise_cut_off = Apply_Template(
noisifySect.Get_Keyword_Value('noise_cut_off'),
valuesDict,
mapDict=mapDict)
pixel_rows = Apply_Template(
noisifySect.Get_Keyword_Value('pixel_rows'),
valuesDict,
mapDict=mapDict)
noisify_spectra_obj(matrix_obj,
row_range_spec=pixel_rows,
noise_cut_off=noise_cut_off)
matrix_obj.write(destination, auto_size_cols=False)
def scale_ils_table(input_file, output_file, scale_factor):
# Load existing file
print 'Reading %s' % input_file
file_obj = OCO_Matrix(input_file)
scale_factor = float(scale_factor)
for row_idx in range(file_obj.dims[0]):
for lbl_idx in range(file_obj.dims[1]):
if file_obj.labels_lower[lbl_idx].find('ils_delta_lambda_') == 0:
file_obj.data[row_idx, lbl_idx] *= scale_factor
if file_obj.labels_lower[lbl_idx].find('ils_response_') == 0:
file_obj.data[row_idx, lbl_idx] = (
1.0 / scale_factor) * file_obj.data[row_idx, lbl_idx]
print 'Writing %s' % output_file
file_obj.write(output_file)
def Process_File(source, destination, fileKeywords, moduleSections, valuesDict,
mapDict):
if len(moduleSections) > 1:
raise Exception('Only one instance of %s allowed per FILE block' %
os.path.basename(__file__))
if source == destination:
raise Exception(
'Will not write albedo into source spectra file. dest_filename must be defined'
)
instrument_name = Apply_Template(
moduleSections[0].Get_Keyword_Value('instrument_name'),
valuesDict,
mapDict=mapDict)
if instrument_name == None or len(instrument_name) == 0:
raise Exception(
'instrument_name keyword must be specified for module: %s' %
os.path.basename(__file__))
# Load spectra data source
spec_file_obj = OCO_Matrix(source)
radiances = []
for pixel_range in spec_file_obj.pixel_ranges():
radiances.append(spec_file_obj[ASCII_SPECTRA_RADIANCE_COLUMN]
[pixel_range[0]:pixel_range[1]])
# Get SZA value
try:
sza_r = math.radians(
float(spec_file_obj.header[ASCII_SPECTRA_SZA_KEYWORD].split()[0]))
except KeyError:
raise KeyError(
'Could not find header keyword %s in spectrum file: %s' %
(ASCII_SPECTRA_SZA_KEYWORD, source))
# Create apriori file from radiance data
create_albedo_apriori_from_radiance(radiances, sza_r, instrument_name,
destination)
def write_soundinginfo_file(hdf_sounding_dict, sounding_info_filename, sounding_id):
sounding_info_fileobj = OCO_Matrix()
sounding_info_fileobj.file_id = 'Sounding info from orbit simulator for sounding id: %s' % sounding_id
sounding_info_fileobj.header = hdf_sounding_dict
sounding_info_fileobj.header['sounding_id'] = sounding_id
sounding_info_fileobj.write(sounding_info_filename)
def write_psurf_file(psurf, out_filename):
out_psurf_data = numpy.zeros((1, 1), dtype=float)
out_psurf_data[0, 0] = psurf
out_mat_obj = OCO_Matrix()
out_mat_obj.file_id = 'True surface pressure from orbit simulator'
out_mat_obj.data = out_psurf_data
out_mat_obj.labels = ['PSURF']
out_mat_obj.units = ['Pa']
out_mat_obj.write(out_filename)
def write_albedo_file(output_file, albedo_data, header_values=None):
albedo_obj = OCO_Matrix()
if header_values != None:
albedo_obj.header.update(header_values)
albedo_obj.header['center_wavelengths'] = ' '.join(
[str(wl) for wl in ALBEDO_CENTER_WAVELENGTHS])
albedo_obj.labels = [
ALBEDO_COL_TMPL % (idx + 1) for idx in range(albedo_data.shape[1])
]
albedo_obj.data = albedo_data
albedo_obj.file_id = 'Surface albedo data'
albedo_obj.write(output_file)
def extract_sv_jacobians(pd_file, names_file, rad_conv_file):
conv_obj = OCO_Matrix(rad_conv_file, read_data=False)
names_obj = OCO_Matrix(names_file, as_strings=True)
sv_names = names_obj['Element Name'][:,0]
pd_obj = OCO_Matrix(pd_file)
for name_re, output_filename in SV_NAMES_MATCH.items():
file_indexes = []
for curr_idx, curr_name in enumerate(sv_names):
if re.search(name_re, curr_name):
file_indexes.append(curr_idx)
print output_filename, file_indexes
out_obj = OCO_Matrix()
out_obj.pixels = conv_obj.pixels
out_obj.data = pd_obj.data[:,file_indexes]
out_obj.write(output_filename)
def remove_bad_data_last(input_file, output_file, check_col, check_val):
# Load existing file
file_obj = OCO_Matrix(input_file)
num_rows = file_obj.dims[0]
if check_col.isdigit():
check_col = int(check_col)
else:
check_col = file_obj.labels_lower.index(check_col.lower())
last_good_index = -1
for row_idx in range(num_rows-1, 1, -1):
if not re.search(str(check_val).lower(), str(file_obj.data[row_idx, check_col]).lower()):
last_good_index = row_idx
break
print "Last good index = ", last_good_index
file_obj.dims = [last_good_index+1, file_obj.dims[1]]
file_obj.write(output_file, use_set_dims=True, auto_size_cols=False)
def extract_acos_spectra(acos_l1b_file, output_dir, sounding_id_list=None, average_pol=False):
if average_pol:
average_name = 'Polarization'
else:
average_name = None
with contextlib.closing(ACOS_File.L1B(acos_l1b_file)) as acos_l1b_obj:
if sounding_id_list == None or len(sounding_id_list) == 0:
sounding_id_list = acos_l1b_obj.get_sounding_ids(add_polarization=not average_pol)
for sounding_id in numpy.ravel(sounding_id_list):
ascii_obj = OCO_Matrix()
sounding_info_dict = acos_l1b_obj.get_sounding_info_dict(sounding_id, ignore_missing=True, average=average_name)
write_ascii_from_hdf(acos_l1b_obj, sounding_info_dict, ascii_obj, sounding_id, average_name)
output_filename = os.path.join(output_dir, '%s.dat' % sounding_id)
print 'Writing %s' % output_filename
ascii_obj.write(output_filename, default_precision=16)
def scale_uncertainty(input_radiance_file, output_radiance_file, scale_factor, row_range_spec=None):
# Load existing file
matrix_obj = OCO_Matrix(input_radiance_file)
radiance_col = matrix_obj.labels_lower.index("radiance")
noise_col = matrix_obj.labels_lower.index("noise")
if row_range_spec == None or len(row_range_spec) == 0:
row_range = range(matrix_obj.dims[0])
else:
row_range = index_range_list(row_range_spec)
for row_idx in row_range:
radiance_val = matrix_obj.data[row_idx, radiance_col]
new_uncert = radiance_val * float(scale_factor)
matrix_obj.data[row_idx, noise_col] = new_uncert
matrix_obj.write(output_radiance_file)
def write_albedo_file(output_file, albedo_data, header_values=None):
albedo_obj = OCO_Matrix()
if header_values != None:
albedo_obj.header.update(header_values)
albedo_obj.header['center_wavelengths'] = ' '.join([str(wl) for wl in ALBEDO_CENTER_WAVELENGTHS])
albedo_obj.labels = [ ALBEDO_COL_TMPL % (idx+1) for idx in range(albedo_data.shape[1]) ]
albedo_obj.data = albedo_data
albedo_obj.file_id = 'Surface albedo data'
albedo_obj.write(output_file)
def extract_soundinginfo_file(inp_fileobj, output_filename):
soundinginfo_sect = inp_fileobj.Get_Section("SOUNDING_INFO")
soundinginfo_file = get_inp_file_path(inp_fileobj, soundinginfo_sect[0].Get_Keyword_Value("soundinginfo_file"))
print "%s -> %s" % (soundinginfo_file, output_filename)
# Handle converting sounding info files without a HEADER block
si_fileobj = L2_Input.Input_File(soundinginfo_file)
header_section = si_fileobj.Get_Section("HEADER")
if len(header_section) > 0:
key_dict = header_section[0].Get_Keywords_Dict()
else:
key_dict = si_fileobj.Get_Keywords_Dict()
output_matobj = OCO_Matrix()
output_matobj.header.update(key_dict)
output_matobj.file_id = "Sounding Information"
output_matobj.write(output_filename)
write_source_into_header(output_filename, soundinginfo_file)
def Process_File(source, destination, fileKeywords, moduleSections, valuesDict, mapDict):
logger = logging.getLogger(os.path.basename(__file__))
# Load existing file
matrix_obj = OCO_Matrix(source)
for realizeSect in moduleSections:
# Add ability to specify cols individually or using a * to goto end
covariance = Apply_Template(realizeSect.Get_Keyword_Value('covariance'), valuesDict, mapDict=mapDict)
column = Apply_Template(realizeSect.Get_Keyword_Value('column'), valuesDict, mapDict=mapDict)
if type(column) is ListType:
raise TypeError('Only one column can be modified per file')
if covariance == None or len(covariance) == 0:
raise IOError('covariance file is not specified')
if not os.path.exists(covariance):
raise IOError('covariance file does not exist: %s' % covariance)
cov_obj = OCO_Matrix(covariance)
rand_factors = [ random.normalvariate(0,1) for i in range(matrix_obj.dims[0]) ]
(eigen_val, eigen_vec) = linalg.eigh(cov_obj.data)
try:
column_idx = int(column)
except:
if column == None:
raise IOError('column named not defined for source file: %s' % (source))
elif not column.lower() in matrix_obj.labels_lower:
raise IOError('column named %s not found in source file: %s' % (column, source))
column_idx = matrix_obj.labels_lower.index(column.lower())
update_vals = dot(eigen_vec.transpose(), (rand_factors* sqrt(eigen_val)))
matrix_obj.data[:, column_idx] = matrix_obj.data[:, column_idx] + update_vals
matrix_obj.write(destination)
def average_profiles(input_file_list, output_file):
input_file_obj = open(input_file_list)
first_file = input_file_obj.readline()
input_file_obj.close()
first_obj = OCO_Matrix(first_file.strip())
dst_data = zeros((first_obj.dims[0], first_obj.dims[1]), dtype=float)
pres_col = first_obj.labels_lower.index("pressure")
dst_data[:, pres_col] = first_obj.data[:, pres_col]
input_file_obj = open(input_file_list)
count = 0
for curr_atm_file in input_file_obj.readlines():
curr_atm_file = curr_atm_file.strip()
# Load existing file
print "Loading %s" % curr_atm_file
file_obj = OCO_Matrix(curr_atm_file)
for col in range(file_obj.dims[1]):
if col != pres_col:
dst_data[:, col] += file_obj.data[:, col]
count += 1
for col in range(dst_data.shape[1]):
if col != pres_col:
dst_data[:, col] /= count
first_obj.data = dst_data
first_obj.write(output_file)
def adjust_file_for_trend(self,
src_apriori_file,
time_struct,
dst_apriori_file=None):
if dst_apriori_file == None:
dst_apriori_file = src_apriori_file
if type(dst_apriori_file) is str and os.path.realpath(
os.path.dirname(dst_apriori_file)) == os.path.realpath(
self.apriori_db_path):
raise IOError(
'Can not modify apriori file as located in database path, it must be copied first'
)
apriori_obj = OCO_Matrix(src_apriori_file)
co2_col_idx = apriori_obj.labels.index(
apriori_obj.find_labels(CO2_APRIORI_CO2_COL)[0])
co2_offset = self.get_apriori_offset(time_struct,
debug_values=apriori_obj.header)
apriori_obj.data[:, co2_col_idx] += co2_offset
apriori_obj.header['co2_offset'] = co2_offset
apriori_obj.write(dst_apriori_file)
def get_data_object(data_filename):
# Try to load data using OCO_Matrix class
try:
data_obj = OCO_Matrix(data_filename)
return data_obj
except:
pass
# Now load file as tabled data
table_file_obj = open(data_filename, 'r')
file_lines = table_file_obj.readlines()
table_file_obj.close()
# Seperate each line by spaces. Keep count of maximum
# number of columns seen for when file is added so we can
# know how to size the resultng matrix
max_cols = 0
file_rows = []
for line in file_lines:
if line.find('#') < 0 and len(line.strip()) != 0:
line_cols = line.strip().split()
file_rows.append(line_cols)
max_cols = max(max_cols, len(line_cols))
# data_mat = numpy.zeros((len(file_rows), max_cols), dtype=float)
data_mat = numpy.zeros((len(file_rows), max_cols), dtype=numpy.chararray)
for row_idx in range(len(file_rows)):
num_cols = len(file_rows[row_idx])
for col_idx in range(num_cols):
col_value = file_rows[row_idx][col_idx]
data_mat[row_idx][col_idx] = col_value
# try:
# data_mat[row_idx][col_idx] = float(col_value)
# except:
# data_mat[row_idx][col_idx] = fill_value
# Create label names based on filename and index or else can
# not select specific columns
label_base = os.path.basename(data_filename)
label_base = label_base[0:label_base.rfind('.')] # Remove extension
data_labels = []
for col_idx in range(max_cols):
data_labels.append(get_column_format(max_cols) % (label_base, col_idx))
# Save data into OCO Matrix object
data_obj = OCO_Matrix()
data_obj.dims = [len(file_rows), max_cols]
data_obj.labels = data_labels
data_obj.data = data_mat
return data_obj
def extract_soundinginfo_file(inp_fileobj, output_filename):
soundinginfo_sect = inp_fileobj.Get_Section("SOUNDING_INFO")
soundinginfo_file = get_inp_file_path(
inp_fileobj,
soundinginfo_sect[0].Get_Keyword_Value("soundinginfo_file"))
print "%s -> %s" % (soundinginfo_file, output_filename)
# Handle converting sounding info files without a HEADER block
si_fileobj = L2_Input.Input_File(soundinginfo_file)
header_section = si_fileobj.Get_Section("HEADER")
if len(header_section) > 0:
key_dict = header_section[0].Get_Keywords_Dict()
else:
key_dict = si_fileobj.Get_Keywords_Dict()
output_matobj = OCO_Matrix()
output_matobj.header.update(key_dict)
output_matobj.file_id = "Sounding Information"
output_matobj.write(output_filename)
write_source_into_header(output_filename, soundinginfo_file)
def remove_bad_data_last(input_file, output_file, check_col, check_val):
# Load existing file
file_obj = OCO_Matrix(input_file)
num_rows = file_obj.dims[0]
if check_col.isdigit():
check_col = int(check_col)
else:
check_col = file_obj.labels_lower.index(check_col.lower())
last_good_index = -1
for row_idx in range(num_rows - 1, 1, -1):
if not re.search(
str(check_val).lower(),
str(file_obj.data[row_idx, check_col]).lower()):
last_good_index = row_idx
break
print "Last good index = ", last_good_index
file_obj.dims = [last_good_index + 1, file_obj.dims[1]]
file_obj.write(output_file, use_set_dims=True, auto_size_cols=False)
def resample_levels(input_file, output_file, resample_to, val_extrapolate=False):
# Load existing file
file_obj = OCO_Matrix(input_file)
try:
src_pres_col = file_obj.labels_lower.index("pressure")
except:
raise IOError('Could not find pressure column in input file: "%s"' % input_file)
try:
src_temp_col = file_obj.labels_lower.index("t")
except:
src_temp_col = -1
## Do nothing except write output file if input and desired levels already match
if resample_to.isdigit() and file_obj.dims[0] == int(resample_to):
file_obj.write(output_file)
return
elif resample_to.isdigit():
resample_to = int(resample_to)
dst_data = numpy.zeros((resample_to, file_obj.dims[1]), dtype=float)
elif os.path.exists(resample_to):
dest_pressure_file = resample_to
pres_obj = OCO_Matrix(dest_pressure_file)
dst_pres_col = pres_obj.labels_lower.index("pressure")
dst_data = numpy.zeros((pres_obj.dims[0], file_obj.dims[1]), dtype=float)
resample_to = pres_obj.data[:, dst_pres_col]
else:
raise ValueError('Resample to argument "%s" is neither an integer nor a file that exists' % resample_to)
for col_idx in range(file_obj.dims[1]):
# Interpolate all but temperature in log space
if col_idx == src_temp_col:
log_data=False
else:
log_data=True
if col_idx == src_pres_col:
do_extrapolate = True
else:
do_extrapolate = val_extrapolate
dst_data[:, col_idx] = resample_profile( file_obj.data[:, src_pres_col],
file_obj.data[:, col_idx],
resample_to,
log_data=log_data,
extrapolate=do_extrapolate )
file_obj.data = dst_data
file_obj.write(output_file)
def extract_sv_jacobians(pd_file, names_file, rad_conv_file):
conv_obj = OCO_Matrix(rad_conv_file, read_data=False)
names_obj = OCO_Matrix(names_file, as_strings=True)
sv_names = names_obj['Element Name'][:, 0]
pd_obj = OCO_Matrix(pd_file)
for name_re, output_filename in SV_NAMES_MATCH.items():
file_indexes = []
for curr_idx, curr_name in enumerate(sv_names):
if re.search(name_re, curr_name):
file_indexes.append(curr_idx)
print output_filename, file_indexes
out_obj = OCO_Matrix()
out_obj.pixels = conv_obj.pixels
out_obj.data = pd_obj.data[:, file_indexes]
out_obj.write(output_filename)
def create_dispersion_from_ascii(l1b_file, out_disp_file, disp_in_file, sounding_id=None, index_scheme=None):
asc_l1b_obj = OCO_Matrix(l1b_file)
if sounding_id == None:
sounding_id = asc_l1b_obj.header['sounding_id']
if disp_in_file == None:
raise IOError('No dispersion file specified')
latitude = float(asc_l1b_obj.header['sounding_latitude'].split()[0])
sza_r = math.radians(float(asc_l1b_obj.header['sounding_solar_zenith'].split()[0]))
saz_r = math.radians(float(asc_l1b_obj.header['sounding_solar_azimuth'].split()[0]))
time_stamp = asc_l1b_obj.header['frame_time_stamp']
time_struct = OCO_TextUtils.convert_timestamp_to_struct(time_stamp)
pixel_ranges = asc_l1b_obj.pixel_ranges()
aband_data = asc_l1b_obj['Radiance'][slice(*pixel_ranges[0]), 0]
disp_in_obj = OCO_Matrix(disp_in_file)
dispersion_coefs = disp_in_obj[DISPERSION_ASCII_COLUMN_IDENT].transpose()
create_scene_dispersion_file(sounding_id, latitude, sza_r, saz_r, time_struct, aband_data, dispersion_coefs, out_disp_file, index_scheme=index_scheme)
def scale_uncertainty(input_radiance_file,
output_radiance_file,
scale_factor,
row_range_spec=None):
# Load existing file
matrix_obj = OCO_Matrix(input_radiance_file)
radiance_col = matrix_obj.labels_lower.index("radiance")
noise_col = matrix_obj.labels_lower.index("noise")
if row_range_spec == None or len(row_range_spec) == 0:
row_range = range(matrix_obj.dims[0])
else:
row_range = index_range_list(row_range_spec)
for row_idx in row_range:
radiance_val = matrix_obj.data[row_idx, radiance_col]
new_uncert = radiance_val * float(scale_factor)
matrix_obj.data[row_idx, noise_col] = new_uncert
matrix_obj.write(output_radiance_file)