def read_subset_box(template_file, meta):
"""Read subset info from template file
Parameters: template_file - str, path of template file
meta - dict, metadata
Returns: pix_box - tuple of 4 int in (x0, y0, x1, y1)
meta - dict, metadata
"""
if template_file and os.path.isfile(template_file):
# read subset info from template file
pix_box, geo_box = read_subset_template2box(template_file)
# geo_box --> pix_box
if geo_box is not None:
coord = ut.coordinate(meta)
pix_box = coord.bbox_geo2radar(geo_box)
pix_box = coord.check_box_within_data_coverage(pix_box)
print('input bounding box in lalo: {}'.format(geo_box))
else:
pix_box = None
if pix_box is not None:
# update metadata against the new bounding box
print('input bounding box in yx: {}'.format(pix_box))
meta = ut.subset_attribute(meta, pix_box)
else:
# translate box of None to tuple of 4 int
length, width = int(meta['LENGTH']), int(meta['WIDTH'])
pix_box = (0, 0, width, length)
return pix_box, meta
def write2hdf5(self, outputFile='ifgramStack.h5', access_mode='w', box=None, compression=None, extra_metadata=None):
'''Save/write an ifgramStackDict object into an HDF5 file with the structure below:
/ Root level
Attributes Dictionary for metadata
/date 2D array of string in size of (m, 2 ) in YYYYMMDD format for master and slave date
/bperp 1D array of float32 in size of (m, ) in meter.
/dropIfgram 1D array of bool in size of (m, ) True by default for keeping interferogram.
/unwrapPhase 3D array of float32 in size of (m, l, w) in radian.
/coherence 3D array of float32 in size of (m, l, w).
/connectComponent 3D array of int16 in size of (m, l, w). (optional)
/wrapPhase 3D array of float32 in size of (m, l, w) in radian. (optional)
/iono 3D array of float32 in size of (m, l, w) in radian. (optional)
/rangeOffset 3D array of float32 in size of (m, l, w). (optional)
/azimuthOffset 3D array of float32 in size of (m, l, w). (optional)
Parameters: outputFile : str, Name of the HDF5 file for the InSAR stack
access_mode : str, access mode of output File, e.g. w, r+
box : tuple, subset range in (x0, y0, x1, y1)
extra_metadata : dict, extra metadata to be added into output file
Returns: outputFile
'''
self.outputFile = outputFile
f = h5py.File(self.outputFile, access_mode)
print('create HDF5 file {} with {} mode'.format(self.outputFile, access_mode))
self.pairs = sorted([pair for pair in self.pairsDict.keys()])
self.dsNames = list(self.pairsDict[self.pairs[0]].datasetDict.keys())
self.dsNames = [i for i in ifgramDatasetNames if i in self.dsNames]
maxDigit = max([len(i) for i in self.dsNames])
self.get_size(box)
self.bperp = np.zeros(self.numIfgram)
###############################
# 3D datasets containing unwrapPhase, coherence, connectComponent, wrapPhase, etc.
for dsName in self.dsNames:
dsShape = (self.numIfgram, self.length, self.width)
dsDataType = dataType
dsCompression = compression
if dsName in ['connectComponent']:
dsDataType = np.int16
dsCompression = 'lzf'
print(('create dataset /{d:<{w}} of {t:<25} in size of {s}'
' with compression = {c}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape,
c=dsCompression))
ds = f.create_dataset(dsName,
shape=dsShape,
maxshape=(None, dsShape[1], dsShape[2]),
dtype=dsDataType,
chunks=True,
compression=dsCompression)
prog_bar = ptime.progressBar(maxValue=self.numIfgram)
for i in range(self.numIfgram):
ifgramObj = self.pairsDict[self.pairs[i]]
data = ifgramObj.read(dsName, box=box)[0]
ds[i, :, :] = data
self.bperp[i] = ifgramObj.get_perp_baseline()
prog_bar.update(i+1, suffix='{}_{}'.format(self.pairs[i][0],
self.pairs[i][1]))
prog_bar.close()
ds.attrs['MODIFICATION_TIME'] = str(time.time())
###############################
# 2D dataset containing master and slave dates of all pairs
dsName = 'date'
dsDataType = np.string_
dsShape = (self.numIfgram, 2)
print('create dataset /{d:<{w}} of {t:<25} in size of {s}'.format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape))
data = np.array(self.pairs, dtype=dsDataType)
f.create_dataset(dsName, data=data)
###############################
# 1D dataset containing perpendicular baseline of all pairs
dsName = 'bperp'
dsDataType = dataType
dsShape = (self.numIfgram,)
print('create dataset /{d:<{w}} of {t:<25} in size of {s}'.format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape))
data = np.array(self.bperp, dtype=dsDataType)
f.create_dataset(dsName, data=data)
###############################
# 1D dataset containing bool value of dropping the interferograms or not
dsName = 'dropIfgram'
dsDataType = np.bool_
dsShape = (self.numIfgram,)
print('create dataset /{d:<{w}} of {t:<25} in size of {s}'.format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape))
data = np.ones(dsShape, dtype=dsDataType)
f.create_dataset(dsName, data=data)
###############################
# Attributes
self.get_metadata()
if extra_metadata:
self.metadata.update(extra_metadata)
print('add extra metadata: {}'.format(extra_metadata))
self.metadata = ut.subset_attribute(self.metadata, box)
self.metadata['FILE_TYPE'] = self.name
for key, value in self.metadata.items():
f.attrs[key] = value
f.close()
print('Finished writing to {}'.format(self.outputFile))
return self.outputFile
def write2hdf5(self, outputFile='geometryRadar.h5', access_mode='w', box=None, compression='lzf', extra_metadata=None):
'''
/ Root level
Attributes Dictionary for metadata. 'X/Y_FIRST/STEP' attribute for geocoded.
/height 2D array of float32 in size of (l, w ) in meter.
/latitude (azimuthCoord) 2D array of float32 in size of (l, w ) in degree.
/longitude (rangeCoord) 2D array of float32 in size of (l, w ) in degree.
/incidenceAngle 2D array of float32 in size of (l, w ) in degree.
/slantRangeDistance 2D array of float32 in size of (l, w ) in meter.
/azimuthAngle 2D array of float32 in size of (l, w ) in degree. (optional)
/shadowMask 2D array of bool in size of (l, w ). (optional)
/waterMask 2D array of bool in size of (l, w ). (optional)
/bperp 3D array of float32 in size of (n, l, w) in meter (optional)
/date 1D array of string in size of (n, ) in YYYYMMDD(optional)
...
'''
if len(self.datasetDict) == 0:
print('No dataset file path in the object, skip HDF5 file writing.')
return None
self.outputFile = outputFile
f = h5py.File(self.outputFile, access_mode)
print('create HDF5 file {} with {} mode'.format(self.outputFile, access_mode))
#groupName = self.name
#group = f.create_group(groupName)
#print('create group /{}'.format(groupName))
maxDigit = max([len(i) for i in geometryDatasetNames])
length, width = self.get_size(box=box)
self.length, self.width = self.get_size()
###############################
for dsName in self.dsNames:
# 3D datasets containing bperp
if dsName == 'bperp':
self.dateList = list(self.datasetDict[dsName].keys())
dsDataType = dataType
self.numDate = len(self.dateList)
dsShape = (self.numDate, length, width)
ds = f.create_dataset(dsName,
shape=dsShape,
maxshape=(None, dsShape[1], dsShape[2]),
dtype=dsDataType,
chunks=True,
compression=compression)
print(('create dataset /{d:<{w}} of {t:<25} in size of {s}'
' with compression = {c}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape,
c=str(compression)))
print('read coarse grid baseline files and linear interpolate into full resolution ...')
prog_bar = ptime.progressBar(maxValue=self.numDate)
for i in range(self.numDate):
fname = self.datasetDict[dsName][self.dateList[i]]
data = read_isce_bperp_file(fname=fname,
out_shape=(self.length, self.width),
box=box)
ds[i, :, :] = data
prog_bar.update(i+1, suffix=self.dateList[i])
prog_bar.close()
# Write 1D dataset date
dsName = 'date'
dsShape = (self.numDate,)
dsDataType = np.string_
print(('create dataset /{d:<{w}} of {t:<25}'
' in size of {s}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape))
data = np.array(self.dateList, dtype=dsDataType)
ds = f.create_dataset(dsName, data=data)
# 2D datasets containing height, latitude, incidenceAngle, shadowMask, etc.
else:
dsDataType = dataType
if dsName.lower().endswith('mask'):
dsDataType = np.bool_
dsShape = (length, width)
print(('create dataset /{d:<{w}} of {t:<25} in size of {s}'
' with compression = {c}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape,
c=str(compression)))
data = np.array(self.read(family=dsName, box=box)[0], dtype=dsDataType)
ds = f.create_dataset(dsName,
data=data,
chunks=True,
compression=compression)
###############################
# Generate Dataset if not existed in binary file: incidenceAngle, slantRangeDistance
for dsName in [i for i in ['incidenceAngle', 'slantRangeDistance']
if i not in self.dsNames]:
# Calculate data
data = None
if dsName == 'incidenceAngle':
data = self.get_incidence_angle(box=box)
elif dsName == 'slantRangeDistance':
data = self.get_slant_range_distance(box=box)
# Write dataset
if data is not None:
dsShape = data.shape
dsDataType = dataType
print(('create dataset /{d:<{w}} of {t:<25} in size of {s}'
' with compression = {c}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape,
c=str(compression)))
ds = f.create_dataset(dsName,
data=data,
dtype=dataType,
chunks=True,
compression=compression)
###############################
# Attributes
self.get_metadata()
if extra_metadata:
self.metadata.update(extra_metadata)
print('add extra metadata: {}'.format(extra_metadata))
self.metadata = ut.subset_attribute(self.metadata, box)
self.metadata['FILE_TYPE'] = self.name
for key, value in self.metadata.items():
f.attrs[key] = value
f.close()
print('Finished writing to {}'.format(self.outputFile))
return self.outputFile
def subset_file(fname, subset_dict_input, out_file=None):
"""Subset file with
Inputs:
fname : str, path/name of file
out_file : str, path/name of output file
subset_dict : dict, subsut parameter, including the following items:
subset_x : list of 2 int, subset in x direction, default=None
subset_y : list of 2 int, subset in y direction, default=None
subset_lat : list of 2 float, subset in lat direction, default=None
subset_lon : list of 2 float, subset in lon direction, default=None
fill_value : float, optional. filled value for area outside of data coverage. default=None
None/not-existed to subset within data coverage only.
tight : bool, tight subset or not, for lookup table file, i.e. geomap*.trans
Outputs:
out_file : str, path/name of output file;
out_file = 'subset_'+fname, if fname is in current directory;
out_file = fname, if fname is not in the current directory.
"""
# Input File Info
try:
atr = readfile.read_attribute(fname)
except:
return None
width = int(atr['WIDTH'])
length = int(atr['LENGTH'])
k = atr['FILE_TYPE']
print('subset ' + k + ' file: ' + fname + ' ...')
subset_dict = subset_dict_input.copy()
# Read Subset Inputs into 4-tuple box in pixel and geo coord
pix_box, geo_box = subset_input_dict2box(subset_dict, atr)
coord = ut.coordinate(atr)
# if fill_value exists and not None, subset data and fill assigned value for area out of its coverage.
# otherwise, re-check subset to make sure it's within data coverage and initialize the matrix with np.nan
outfill = False
if 'fill_value' in subset_dict.keys() and subset_dict['fill_value']:
outfill = True
else:
outfill = False
if not outfill:
pix_box = coord.check_box_within_data_coverage(pix_box)
subset_dict['fill_value'] = np.nan
geo_box = coord.box_pixel2geo(pix_box)
data_box = (0, 0, width, length)
print('data range in y/x: ' + str(data_box))
print('subset range in y/x: ' + str(pix_box))
print('data range in lat/lon: ' + str(coord.box_pixel2geo(data_box)))
print('subset range in lat/lon: ' + str(geo_box))
if pix_box == data_box:
print('Subset range == data coverage, no need to subset. Skip.')
return fname
# Calculate Subset/Overlap Index
pix_box4data, pix_box4subset = get_box_overlap_index(data_box, pix_box)
########################### Data Read and Write ######################
# Output File Name
if not out_file:
if os.getcwd() == os.path.dirname(os.path.abspath(fname)):
if 'tight' in subset_dict.keys() and subset_dict['tight']:
out_file = '{}_tight{}'.format(
os.path.splitext(fname)[0],
os.path.splitext(fname)[1])
else:
out_file = 'subset_' + os.path.basename(fname)
else:
out_file = os.path.basename(fname)
print('writing >>> ' + out_file)
# subset datasets one by one
dsNames = readfile.get_dataset_list(fname)
maxDigit = max([len(i) for i in dsNames])
dsDict = dict()
for dsName in dsNames:
print('subsetting {d:<{w}} from {f} ...'.format(
d=dsName, w=maxDigit, f=os.path.basename(fname)))
data = readfile.read(fname, datasetName=dsName, print_msg=False)[0]
# subset 2D data
if len(data.shape) == 2:
data_overlap = data[pix_box4data[1]:pix_box4data[3],
pix_box4data[0]:pix_box4data[2]]
data = np.ones((pix_box[3] - pix_box[1], pix_box[2] - pix_box[0]),
data.dtype) * subset_dict['fill_value']
data[pix_box4subset[1]:pix_box4subset[3],
pix_box4subset[0]:pix_box4subset[2]] = data_overlap
# subset 3D data
elif len(data.shape) == 3:
data_overlap = data[:, pix_box4data[1]:pix_box4data[3],
pix_box4data[0]:pix_box4data[2]]
data = np.ones(
(data.shape[0], pix_box[3] - pix_box[1], pix_box[2] -
pix_box[0]), data.dtype) * subset_dict['fill_value']
data[:, pix_box4subset[1]:pix_box4subset[3],
pix_box4subset[0]:pix_box4subset[2]] = data_overlap
dsDict[dsName] = data
atr = ut.subset_attribute(atr, pix_box)
writefile.write(dsDict, out_file=out_file, metadata=atr, ref_file=fname)
return out_file
def subset_file(fname, subset_dict_input, out_file=None):
"""Subset file with
Inputs:
fname : str, path/name of file
out_file : str, path/name of output file
subset_dict : dict, subsut parameter, including the following items:
subset_x : list of 2 int, subset in x direction, default=None
subset_y : list of 2 int, subset in y direction, default=None
subset_lat : list of 2 float, subset in lat direction, default=None
subset_lon : list of 2 float, subset in lon direction, default=None
fill_value : float, optional. filled value for area outside of data coverage. default=None
None/not-existed to subset within data coverage only.
tight : bool, tight subset or not, for lookup table file, i.e. geomap*.trans
Outputs:
out_file : str, path/name of output file;
out_file = 'subset_'+fname, if fname is in current directory;
out_file = fname, if fname is not in the current directory.
"""
# Input File Info
try:
atr = readfile.read_attribute(fname)
except:
return None
width = int(atr['WIDTH'])
length = int(atr['LENGTH'])
k = atr['FILE_TYPE']
print('subset '+k+' file: '+fname+' ...')
subset_dict = subset_dict_input.copy()
# Read Subset Inputs into 4-tuple box in pixel and geo coord
pix_box, geo_box = subset_input_dict2box(subset_dict, atr)
coord = ut.coordinate(atr)
# if fill_value exists and not None, subset data and fill assigned value for area out of its coverage.
# otherwise, re-check subset to make sure it's within data coverage and initialize the matrix with np.nan
outfill = False
if 'fill_value' in subset_dict.keys() and subset_dict['fill_value']:
outfill = True
else:
outfill = False
if not outfill:
pix_box = coord.check_box_within_data_coverage(pix_box)
subset_dict['fill_value'] = np.nan
geo_box = coord.box_pixel2geo(pix_box)
data_box = (0, 0, width, length)
print('data range in y/x: '+str(data_box))
print('subset range in y/x: '+str(pix_box))
print('data range in lat/lon: '+str(coord.box_pixel2geo(data_box)))
print('subset range in lat/lon: '+str(geo_box))
if pix_box == data_box:
print('Subset range == data coverage, no need to subset. Skip.')
return fname
# Calculate Subset/Overlap Index
pix_box4data, pix_box4subset = get_box_overlap_index(data_box, pix_box)
########################### Data Read and Write ######################
# Output File Name
if not out_file:
if os.getcwd() == os.path.dirname(os.path.abspath(fname)):
if 'tight' in subset_dict.keys() and subset_dict['tight']:
out_file = '{}_tight{}'.format(os.path.splitext(fname)[0],
os.path.splitext(fname)[1])
else:
out_file = 'subset_'+os.path.basename(fname)
else:
out_file = os.path.basename(fname)
print('writing >>> '+out_file)
# subset datasets one by one
dsNames = readfile.get_dataset_list(fname)
maxDigit = max([len(i) for i in dsNames])
dsDict = dict()
for dsName in dsNames:
print('subsetting {d:<{w}} from {f} ...'.format(
d=dsName, w=maxDigit, f=os.path.basename(fname)))
data = readfile.read(fname, datasetName=dsName, print_msg=False)[0]
# subset 2D data
if len(data.shape) == 2:
data_overlap = data[pix_box4data[1]:pix_box4data[3],
pix_box4data[0]:pix_box4data[2]]
data = np.ones((pix_box[3] - pix_box[1],
pix_box[2] - pix_box[0]), data.dtype) * subset_dict['fill_value']
data[pix_box4subset[1]:pix_box4subset[3],
pix_box4subset[0]:pix_box4subset[2]] = data_overlap
# subset 3D data
elif len(data.shape) == 3:
data_overlap = data[:,
pix_box4data[1]:pix_box4data[3],
pix_box4data[0]:pix_box4data[2]]
data = np.ones((data.shape[0],
pix_box[3] - pix_box[1],
pix_box[2] - pix_box[0]), data.dtype) * subset_dict['fill_value']
data[:,
pix_box4subset[1]:pix_box4subset[3],
pix_box4subset[0]:pix_box4subset[2]] = data_overlap
dsDict[dsName] = data
atr = ut.subset_attribute(atr, pix_box)
writefile.write(dsDict, out_file=out_file, metadata=atr, ref_file=fname)
return out_file
def write2hdf5(self, outputFile='ifgramStack.h5', access_mode='w', box=None, compression=None, extra_metadata=None):
'''Save/write an ifgramStackDict object into an HDF5 file with the structure below:
/ Root level
Attributes Dictionary for metadata
/date 2D array of string in size of (m, 2 ) in YYYYMMDD format for master and slave date
/bperp 1D array of float32 in size of (m, ) in meter.
/dropIfgram 1D array of bool in size of (m, ).
/unwrapPhase 3D array of float32 in size of (m, l, w) in radian.
/coherence 3D array of float32 in size of (m, l, w).
/connectComponent 3D array of int16 in size of (m, l, w). (optional)
/wrapPhase 3D array of float32 in size of (m, l, w) in radian. (optional)
/iono 3D array of float32 in size of (m, l, w) in radian. (optional)
/rangeOffset 3D array of float32 in size of (m, l, w). (optional)
/azimuthOffset 3D array of float32 in size of (m, l, w). (optional)
Parameters: outputFile : str, Name of the HDF5 file for the InSAR stack
access_mode : str, access mode of output File, e.g. w, r+
box : tuple, subset range in (x0, y0, x1, y1)
extra_metadata : dict, extra metadata to be added into output file
Returns: outputFile
'''
self.outputFile = outputFile
f = h5py.File(self.outputFile, access_mode)
print('create HDF5 file {} with {} mode'.format(self.outputFile, access_mode))
self.pairs = sorted([pair for pair in self.pairsDict.keys()])
self.dsNames = list(self.pairsDict[self.pairs[0]].datasetDict.keys())
self.dsNames = [i for i in ifgramDatasetNames if i in self.dsNames]
maxDigit = max([len(i) for i in self.dsNames])
self.get_size(box)
self.bperp = np.zeros(self.numIfgram)
###############################
# 3D datasets containing unwrapPhase, coherence, connectComponent, wrapPhase, etc.
for dsName in self.dsNames:
dsShape = (self.numIfgram, self.length, self.width)
dsDataType = dataType
if dsName in ['connectComponent']:
dsDataType = np.bool_
print(('create dataset /{d:<{w}} of {t:<25} in size of {s}'
' with compression = {c}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape,
c=str(compression)))
ds = f.create_dataset(dsName,
shape=dsShape,
maxshape=(None, dsShape[1], dsShape[2]),
dtype=dsDataType,
chunks=True,
compression=compression)
prog_bar = ptime.progressBar(maxValue=self.numIfgram)
for i in range(self.numIfgram):
ifgramObj = self.pairsDict[self.pairs[i]]
data = ifgramObj.read(dsName, box=box)[0]
ds[i, :, :] = data
self.bperp[i] = ifgramObj.get_perp_baseline()
prog_bar.update(i+1, suffix='{}_{}'.format(self.pairs[i][0],
self.pairs[i][1]))
prog_bar.close()
ds.attrs['MODIFICATION_TIME'] = str(time.time())
###############################
# 2D dataset containing master and slave dates of all pairs
dsName = 'date'
dsDataType = np.string_
dsShape = (self.numIfgram, 2)
print('create dataset /{d:<{w}} of {t:<25} in size of {s}'.format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape))
data = np.array(self.pairs, dtype=dsDataType)
f.create_dataset(dsName, data=data)
###############################
# 1D dataset containing perpendicular baseline of all pairs
dsName = 'bperp'
dsDataType = dataType
dsShape = (self.numIfgram,)
print('create dataset /{d:<{w}} of {t:<25} in size of {s}'.format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape))
data = np.array(self.bperp, dtype=dsDataType)
f.create_dataset(dsName, data=data)
###############################
# 1D dataset containing bool value of dropping the interferograms or not
dsName = 'dropIfgram'
dsDataType = np.bool_
dsShape = (self.numIfgram,)
print('create dataset /{d:<{w}} of {t:<25} in size of {s}'.format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape))
data = np.ones(dsShape, dtype=dsDataType)
f.create_dataset(dsName, data=data)
###############################
# Attributes
self.get_metadata()
if extra_metadata:
self.metadata.update(extra_metadata)
print('add extra metadata: {}'.format(extra_metadata))
self.metadata = ut.subset_attribute(self.metadata, box)
self.metadata['FILE_TYPE'] = self.name
for key, value in self.metadata.items():
f.attrs[key] = value
f.close()
print('Finished writing to {}'.format(self.outputFile))
return self.outputFile
def write2hdf5(self, outputFile='geometryRadar.h5', access_mode='w', box=None, compression='gzip', extra_metadata=None):
'''
/ Root level
Attributes Dictionary for metadata. 'X/Y_FIRST/STEP' attribute for geocoded.
/height 2D array of float32 in size of (l, w ) in meter.
/latitude (azimuthCoord) 2D array of float32 in size of (l, w ) in degree.
/longitude (rangeCoord) 2D array of float32 in size of (l, w ) in degree.
/incidenceAngle 2D array of float32 in size of (l, w ) in degree.
/slantRangeDistance 2D array of float32 in size of (l, w ) in meter.
/azimuthAngle 2D array of float32 in size of (l, w ) in degree. (optional)
/shadowMask 2D array of bool in size of (l, w ). (optional)
/waterMask 2D array of bool in size of (l, w ). (optional)
/bperp 3D array of float32 in size of (n, l, w) in meter (optional)
/date 1D array of string in size of (n, ) in YYYYMMDD(optional)
...
'''
if len(self.datasetDict) == 0:
print('No dataset file path in the object, skip HDF5 file writing.')
return None
self.outputFile = outputFile
f = h5py.File(self.outputFile, access_mode)
print('create HDF5 file {} with {} mode'.format(self.outputFile, access_mode))
#groupName = self.name
#group = f.create_group(groupName)
#print('create group /{}'.format(groupName))
maxDigit = max([len(i) for i in geometryDatasetNames])
length, width = self.get_size(box=box)
self.length, self.width = self.get_size()
###############################
for dsName in self.dsNames:
# 3D datasets containing bperp
if dsName == 'bperp':
self.dateList = list(self.datasetDict[dsName].keys())
dsDataType = dataType
self.numDate = len(self.dateList)
dsShape = (self.numDate, length, width)
ds = f.create_dataset(dsName,
shape=dsShape,
maxshape=(None, dsShape[1], dsShape[2]),
dtype=dsDataType,
chunks=True,
compression=compression)
print(('create dataset /{d:<{w}} of {t:<25} in size of {s}'
' with compression = {c}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape,
c=str(compression)))
print('read coarse grid baseline files and linear interpolate into full resolution ...')
prog_bar = ptime.progressBar(maxValue=self.numDate)
for i in range(self.numDate):
fname = self.datasetDict[dsName][self.dateList[i]]
data = read_isce_bperp_file(fname=fname,
out_shape=(self.length, self.width),
box=box)
ds[i, :, :] = data
prog_bar.update(i+1, suffix=self.dateList[i])
prog_bar.close()
# Write 1D dataset date
dsName = 'date'
dsShape = (self.numDate,)
dsDataType = np.string_
print(('create dataset /{d:<{w}} of {t:<25}'
' in size of {s}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape))
data = np.array(self.dateList, dtype=dsDataType)
ds = f.create_dataset(dsName, data=data)
# 2D datasets containing height, latitude, incidenceAngle, shadowMask, etc.
else:
dsDataType = dataType
if dsName.lower().endswith('mask'):
dsDataType = np.bool_
dsShape = (length, width)
print(('create dataset /{d:<{w}} of {t:<25} in size of {s}'
' with compression = {c}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape,
c=str(compression)))
data = np.array(self.read(family=dsName, box=box)[0], dtype=dsDataType)
ds = f.create_dataset(dsName,
data=data,
chunks=True,
compression=compression)
###############################
# Generate Dataset if not existed in binary file: incidenceAngle, slantRangeDistance
for dsName in [i for i in ['incidenceAngle', 'slantRangeDistance']
if i not in self.dsNames]:
# Calculate data
data = None
if dsName == 'incidenceAngle':
data = self.get_incidence_angle(box=box)
elif dsName == 'slantRangeDistance':
data = self.get_slant_range_distance(box=box)
# Write dataset
if data is not None:
dsShape = data.shape
dsDataType = dataType
print(('create dataset /{d:<{w}} of {t:<25} in size of {s}'
' with compression = {c}').format(d=dsName,
w=maxDigit,
t=str(dsDataType),
s=dsShape,
c=str(compression)))
ds = f.create_dataset(dsName,
data=data,
dtype=dataType,
chunks=True,
compression=compression)
###############################
# Attributes
self.get_metadata()
if extra_metadata:
self.metadata.update(extra_metadata)
print('add extra metadata: {}'.format(extra_metadata))
self.metadata = ut.subset_attribute(self.metadata, box)
self.metadata['FILE_TYPE'] = self.name
for key, value in self.metadata.items():
f.attrs[key] = value
f.close()
print('Finished writing to {}'.format(self.outputFile))
return self.outputFile
def subset_file(fname, subset_dict_input, out_file=None):
"""Subset file with
Inputs:
fname : str, path/name of file
out_file : str, path/name of output file
subset_dict : dict, subsut parameter, including the following items:
subset_x : list of 2 int, subset in x direction, default=None
subset_y : list of 2 int, subset in y direction, default=None
subset_lat : list of 2 float, subset in lat direction, default=None
subset_lon : list of 2 float, subset in lon direction, default=None
fill_value : float, optional. filled value for area outside of data coverage. default=None
None/not-existed to subset within data coverage only.
tight : bool, tight subset or not, for lookup table file, i.e. geomap*.trans
Outputs:
out_file : str, path/name of output file;
out_file = 'subset_'+fname, if fname is in current directory;
out_file = fname, if fname is not in the current directory.
"""
# Input File Info
atr = readfile.read_attribute(fname)
width = int(atr['WIDTH'])
length = int(atr['LENGTH'])
k = atr['FILE_TYPE']
print('subset ' + k + ' file: ' + fname + ' ...')
subset_dict = subset_dict_input.copy()
# Read Subset Inputs into 4-tuple box in pixel and geo coord
pix_box, geo_box = subset_input_dict2box(subset_dict, atr)
coord = ut.coordinate(atr)
# if fill_value exists and not None, subset data and fill assigned value for area out of its coverage.
# otherwise, re-check subset to make sure it's within data coverage and initialize the matrix with np.nan
outfill = False
if 'fill_value' in subset_dict.keys() and subset_dict['fill_value']:
outfill = True
else:
outfill = False
if not outfill:
pix_box = coord.check_box_within_data_coverage(pix_box)
subset_dict['fill_value'] = np.nan
geo_box = coord.box_pixel2geo(pix_box)
data_box = (0, 0, width, length)
print('data range in y/x: ' + str(data_box))
print('subset range in y/x: ' + str(pix_box))
print('data range in lat/lon: ' + str(coord.box_pixel2geo(data_box)))
print('subset range in lat/lon: ' + str(geo_box))
if pix_box == data_box:
print('Subset range == data coverage, no need to subset. Skip.')
return fname
# Calculate Subset/Overlap Index
pix_box4data, pix_box4subset = get_box_overlap_index(data_box, pix_box)
########################### Data Read and Write ######################
# Output File Name
if not out_file:
if os.getcwd() == os.path.dirname(os.path.abspath(fname)):
if 'tight' in subset_dict.keys() and subset_dict['tight']:
out_file = '{}_tight{}'.format(
os.path.splitext(fname)[0],
os.path.splitext(fname)[1])
else:
out_file = 'subset_' + os.path.basename(fname)
else:
out_file = os.path.basename(fname)
print('writing >>> ' + out_file)
# update metadata
atr = ut.subset_attribute(atr, pix_box)
# subset datasets one by one
dsNames = readfile.get_dataset_list(fname)
maxDigit = max([len(i) for i in dsNames])
ext = os.path.splitext(out_file)[1]
if ext in ['.h5', '.he5']:
# initiate the output file
writefile.layout_hdf5(out_file, metadata=atr, ref_file=fname)
# subset dataset one-by-one
for dsName in dsNames:
with h5py.File(fname, 'r') as fi:
ds = fi[dsName]
ds_shape = ds.shape
ds_ndim = ds.ndim
print('cropping {d} in {b} from {f} ...'.format(
d=dsName, b=pix_box4data, f=os.path.basename(fname)))
if ds_ndim == 2:
# read
data = ds[pix_box4data[1]:pix_box4data[3],
pix_box4data[0]:pix_box4data[2]]
# crop
data_out = np.ones(
(pix_box[3] - pix_box[1], pix_box[2] - pix_box[0]),
data.dtype) * subset_dict['fill_value']
data_out[pix_box4subset[1]:pix_box4subset[3],
pix_box4subset[0]:pix_box4subset[2]] = data
data_out = np.array(data_out, dtype=data.dtype)
# write
block = [0, int(atr['LENGTH']), 0, int(atr['WIDTH'])]
writefile.write_hdf5_block(out_file,
data=data_out,
datasetName=dsName,
block=block,
print_msg=True)
if ds_ndim == 3:
prog_bar = ptime.progressBar(maxValue=ds_shape[0])
for i in range(ds_shape[0]):
# read
data = ds[i, pix_box4data[1]:pix_box4data[3],
pix_box4data[0]:pix_box4data[2]]
# crop
data_out = np.ones(
(1, pix_box[3] - pix_box[1],
pix_box[2] - pix_box[0]),
data.dtype) * subset_dict['fill_value']
data_out[:, pix_box4subset[1]:pix_box4subset[3],
pix_box4subset[0]:pix_box4subset[2]] = data
# write
block = [
i, i + 1, 0,
int(atr['LENGTH']), 0,
int(atr['WIDTH'])
]
writefile.write_hdf5_block(out_file,
data=data_out,
datasetName=dsName,
block=block,
print_msg=False)
prog_bar.update(i + 1,
suffix='{}/{}'.format(
i + 1, ds_shape[0]))
prog_bar.close()
print('finished writing to file: {}'.format(fname))
else:
# IO for binary files
dsDict = dict()
for dsName in dsNames:
dsDict[dsName] = subset_dataset(
fname,
dsName,
pix_box,
pix_box4data,
pix_box4subset,
fill_value=subset_dict['fill_value'])
writefile.write(dsDict,
out_file=out_file,
metadata=atr,
ref_file=fname)
return out_file