def create_tscan_vrt(timescan_dir, ard_params):
# loop through all pontial proucts
# a products list
product_list = [
'TC.HH', 'TC.VV', 'TC.HV', 'TC.VH', 'BS.HH', 'BS.VV', 'BS.HV', 'BS.VH',
'coh.VV', 'coh.VH', 'coh.HH', 'coh.HV', 'pol.Entropy',
'pol.Anisotropy', 'pol.Alpha'
]
i, outfiles = 0, []
iteration = itertools.product(product_list, ard_params['metrics'])
for product, metric in iteration:
# get file and add number for outfile
infile = opj(timescan_dir, '{}.{}.tif'.format(product, metric))
# if there is no file sto the iteration
if not os.path.isfile(infile):
continue
# else
i += 1
outfile = opj(timescan_dir, '{}.{}.{}.tif'.format(i, product, metric))
outfiles.append(outfile)
# otherwise rename the file
shutil.move(infile, outfile)
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(opj(timescan_dir, 'Timescan.vrt'.format()),
outfiles,
options=vrt_options)
def make_VRT(file, directory):
sub_directories = [
os.path.join(directory, name, file) for name in os.listdir(directory)
if os.path.isdir(os.path.join(directory, name))
]
gdal.BuildVRTOptions(VRTNodata="nan")
gdal.BuildVRT(os.path.join(directory, f"{file[:-4]}.vrt"), sub_directories)
def hdf2tif(hdf, reproject=True):
"""
Converts hdf files to tiff files
:param hdf: HDF file to be processed
:param reproject: Will be reprojected by default
:return: None
"""
dataset = gdal.Open(hdf, gdal.GA_ReadOnly)
subdatasets = dataset.GetSubDatasets()
data_dir = create_output_directory(hdf)
convert_to_vrt(subdatasets, data_dir)
vrt_options = gdal.BuildVRTOptions(separate=True)
vrt_list = list_files(data_dir, 'vrt')
vrt_output = hdf.replace('.hdf', '.vrt')
gdal.BuildVRT(vrt_output, sorted(vrt_list), options=vrt_options)
if reproject:
proj = "+proj=sinu +R=6371007.181 +nadgrids=@null +wktext"
warp_options = gdal.WarpOptions(srcSRS=proj, dstSRS="EPSG:3857")
else:
warp_options = ""
output_tiff = vrt_output.replace(".vrt", "_reprojected.tif")
if not os.path.exists(output_tiff):
gdal.Warp(output_tiff, vrt_output, options=warp_options)
clear_temp_files(data_dir, vrt_output)
return os.path.join(DIRECTORY, output_tiff)
def mosaic_timescan(burst_inventory, processing_dir, temp_dir, ard_parameters):
product_list = [
'BS.HH', 'BS.VV', 'BS.HV', 'BS.VH', 'coh.VV', 'coh.VH', 'Alpha',
'Entropy', 'Anisotropy'
]
metrics = ard_parameters['metrics']
os.makedirs(opj(processing_dir, 'Mosaic', 'Timescan'), exist_ok=True)
i, list_of_files = 0, []
for product in itertools.product(product_list, metrics): # ****
filelist = ''.join(
glob.glob(
opj(processing_dir, '*', 'Timescan',
'*{}.{}.tif'.format(product[0], product[1]))))
if filelist:
i += 1
outfile = opj(processing_dir, 'Mosaic', 'Timescan',
'{}.{}.{}.tif'.format(i, product[0], product[1]))
command = ('otbcli_Mosaic -il {} -comp.feather large -tmpdir {}'
'-progress 1 -out {} float'.format(
filelist, temp_dir, outfile))
os.system(command)
list_of_files.append(outfile)
# create vrt
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(opj(processing_dir, 'Mosaic', 'Timescan', 'Timescan.vrt'),
list_of_files,
options=vrt_options)
def create_timeseries_mosaic_vrt(list_of_args):
ts_dir, product, outfiles = list_of_args
gdal.BuildVRT(
str(ts_dir.joinpath(f'{product}.Timeseries.vrt')),
[str(outfile) for outfile in outfiles],
options=gdal.BuildVRTOptions(srcNodata=0, separate=True)
)
def mosaic_to_vrt(ts_dir, product, outfiles):
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
if type(outfiles) == str:
outfiles = outfiles.replace("'", '').strip('][').split(', ')
gdal.BuildVRT(opj(ts_dir, '{}.Timeseries.vrt'.format(product)),
outfiles,
options=vrt_options)
def one_subset(supplierId, filename, polygon, tilepath, tifpath, size,sentinel=2):
"""
Creates one subsetted image from the large sentinel tile
:param supplierId: supplierId (also the name) of the Sentinel 2 tile (str)
:param filename: Filename of output image (str)
:param polygon: Shapely polygon of desired bla
:param tilepath: Path to Sentinel tiles
:param tifpath: Path to output images
:param size: Length of one side of the output image in pixels
:return: none
"""
# gdalwarp inputs polygons as a csv file. This code creates that csv file so that we can run gdalwarp
csvData = [["", "WKT"], [str(1), polygon.wkt]]
csvname = './%s.csv' % filename[:-4]
with open(csvname, 'w') as csvFile:
writer = csv.writer(csvFile)
writer.writerows(csvData)
csvFile.close()
# TODO: Change this in verbose mode
#gdal.PushErrorHandler('CPLQuietErrorHandler')
os.environ["PROJ_LIB"]="C:/Users/danie/Anaconda3/envs/oilrig/Library/share/proj"
# Finds all the image bands as jp2 files and sorts them alphabetically to retain correct order
dir = os.path.join(tilepath, supplierId)
dir = os.path.abspath(dir)
dir = dir.replace('\\', '/')
if sentinel == 1:
file: ZipFile = ZipFile(dir + '.zip', 'r')
fulllist = sorted([name for name in file.namelist() if name.endswith('.tiff') or name.endswith('.dat')])
for tif in fulllist:
if not os.path.exists(dir+".SAFE"):
file.extract(tif,path=tilepath)
fulllist = [os.path.join(tilepath,tif).replace('\\', '/') for tif in fulllist]
else:
fulllist = sorted(glob.glob(dir + '/*.jp2'))
# Builds VRT dataset to speed up conversion
vrtname = './%s.vrt' % filename[:-4]
buildvrt_options = gdal.BuildVRTOptions(separate=True, xRes=10, yRes=10)
vrt_dataset = gdal.BuildVRT(destName=vrtname, srcDSOrSrcDSTab=fulllist, options=buildvrt_options)
try:
# Subsets image using gdalwarp
warp_output = os.path.join(tifpath, filename + ".tif")
warp_options = gdal.WarpOptions(cropToCutline=True, cutlineDSName=csvname, srcSRS="EPSG:4326", dstSRS="EPSG:4326", width=size,
height=size,multithread=True)
gdal.Warp(warp_output, vrt_dataset, options=warp_options)
except SystemError as e:
os.remove(csvname)
return
# removes the temporary csv file
os.remove(csvname)
return
def __build_vrts(self):
"""
Generate VRT files to bind together the individual geotiffs so that we can reference them all together
in xarrays
:return:
"""
# define universal options for the VRT files
vrt_options = gdal.BuildVRTOptions(separate=True)
for param in self.parameters:
for var in ['', '_unc']:
# define the name for the vrt file
vrt_filename = f"{self.data_directory}/{param}{var}.vrt"
# check to see whether the file already exists
if not os.path.isfile(vrt_filename):
# Get an ordered list of all the filenames
# Todo test that the system is robust to these values not being sorted.
filenames = sorted(
glob.glob(
f'{self.data_directory}/{param}_A???????{var}.tif')
)
# BUild the file
gd = gdal.BuildVRT(vrt_filename,
filenames,
options=vrt_options)
gd = None # flush
else:
# File exists already
pass
# As a second step, produce warped VRTs
vrt_filename_warp = f"{self.data_directory}/{param}{var}_warped.vrt"
# check to see whether the file already exists
if not os.path.isfile(vrt_filename_warp):
# convert to lat/lon
gd = gdal.Warp(
srcDSOrSrcDSTab=vrt_filename,
destNameOrDestDS=vrt_filename_warp,
format='VRT',
dstSRS='+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs'
) # remove this to use native coordinates
gd = None # flush the file
else:
# File exists already
pass
def mt_layover(filelist, outfile, extent):
'''
This function is usally used in the time-series workflow of OST. A list
of the filepaths layover/shadow masks
:param filelist - list of files
:param out_dir - directory where the output file will be stored
:return path to the multi-temporal layover/shadow mask file generated
'''
# get the start time for Info on processing time
start = time.time()
with TemporaryDirectory() as temp:
# create path to out file
ls_layer = opj(temp, os.path.basename(outfile))
# create a vrt-stack out of
logger.debug('INFO: Creating common Layover/Shadow Mask')
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(opj(temp, 'ls.vrt'), filelist, options=vrt_options)
with rasterio.open(opj(temp, 'ls.vrt')) as src:
# get metadata
meta = src.meta
# update driver and reduced band count
meta.update(driver='GTiff', count=1, dtype='uint8')
# create outfiles
with rasterio.open(ls_layer, 'w', **meta) as out_min:
# loop through blocks
for _, window in src.block_windows(1):
# read array with all bands
stack = src.read(range(1, src.count + 1), window=window)
# get stats
arr_max = np.nanmax(stack, axis=0)
arr = arr_max / arr_max
out_min.write(np.uint8(arr), window=window, indexes=1)
ras.mask_by_shape(ls_layer,
outfile,
extent,
to_db=False,
datatype='uint8',
rescale=False,
ndv=0)
# os.remove(ls_layer)
h.timer(start)
return outfile
def main(argv):
# Reference files
for f in os.listdir(SRC_FOLDER):
if 'img' in f:
bands[f.split("_")[3]].append(SRC_FOLDER + f)
vrt_options = gdal.BuildVRTOptions(resolution='lowest')
for b in bands:
if (len(bands[b]) > 0):
gdal.BuildVRT(SRC_FOLDER + 'sentinel2_' + b + '.vrt',
bands[b],
options=vrt_options)
def main(argv):
# Reference files
src_dss = [f for f in os.listdir(SRC_FOLDER) if ".img" in f]
for f in src_dss:
bands[f.split(".")[0]].append(SRC_FOLDER + f)
vrt_options = gdal.BuildVRTOptions(resolution='lowest')
for b in bands:
if (len(bands[b]) > 0):
gdal.BuildVRT(SRC_FOLDER + 'sentinel1_' + b + '.vrt',
bands[b],
options=vrt_options)
def mosaic_timeseries(burst_inventory, processing_dir, temp_dir,
ard_parameters):
product_list = [
'BS.HH', 'BS.VV', 'BS.HV', 'BS.VH', 'coh.VV', 'coh.VH',
'ha_alpha.Alpha', 'ha_alpha.Entropy', 'ha_alpha.Anisotropy'
]
os.makedirs(opj(processing_dir, 'Mosaic', 'Timeseries'), exist_ok=True)
# we do this to get the minimum number of
# timesteps per burst (should be actually the same)
length = 99999
for burst in burst_inventory.bid.unique():
length_of_burst = len(burst_inventory[burst_inventory.bid == burst])
if length_of_burst < length:
length = length_of_burst
# now we loop through each timestep and product
for product in product_list: # ****
list_of_files = []
for i in range(length):
filelist = glob.glob(
opj(processing_dir, '*_IW*_*', 'Timeseries',
'{}.*{}.tif'.format(i + 1, product)))
if filelist:
print(' INFO: Creating timeseries mosaics for {}.'.format(
product))
out_dir = opj(processing_dir, 'Mosaic', 'Timeseries')
os.makedirs(out_dir, exist_ok=True)
outfile = opj(out_dir, '{}.{}.tif'.format(i + 1, product))
list_of_files.append(outfile)
filelist = ' '.join(filelist)
# the command
command = ('otbcli_Mosaic -il {} -comp.feather large '
'-tmpdir {} -progress 1 -out {} float'.format(
filelist, temp_dir, outfile))
os.system(command)
# create vrt
if list_of_files:
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(opj(out_dir, '{}.Timeseries.vrt'.format(product)),
list_of_files,
options=vrt_options)
def create_tscan_vrt(timescan_dir, config_file):
# load ard parameters
if isinstance(config_file, dict):
config_dict = config_file
else:
config_file = open(config_file, 'r')
config_dict = json.load(config_file)
config_file.close()
ard_tscan = config_dict['processing']['time-scan_ARD']
# loop through all potential products
# a products list
product_list = [
'bs.HH', 'bs.VV', 'bs.HV', 'bs.VH', 'coh.VV', 'coh.VH', 'coh.HH',
'coh.HV', 'pol.Entropy', 'pol.Anisotropy', 'pol.Alpha'
]
metrics = ard_tscan['metrics']
if 'percentiles' in metrics:
metrics.remove('percentiles')
metrics.extend(['p95', 'p5'])
if 'harmonics' in metrics:
metrics.remove('harmonics')
metrics.extend(['amplitude', 'phase', 'residuals'])
i, outfiles = 0, []
iteration = itertools.product(product_list, metrics)
for product, metric in iteration:
# get file and add number for outfile
infile = timescan_dir.joinpath(f'{product}.{metric}.tif')
# if there is no file sto the iteration
if not infile.exists():
continue
i += 1
# create namespace for output file and add to list for vrt creation
outfile = timescan_dir.joinpath(f'{i:02d}.{product}.{metric}.tif')
outfiles.append(str(outfile))
# otherwise rename the file
infile.replace(outfile)
# build vrt
gdal.BuildVRT(str(timescan_dir.joinpath('Timescan.vrt')),
outfiles,
options=gdal.BuildVRTOptions(srcNodata=0, separate=True))
def mt_extent_old(list_of_scenes, config_file):
with open(config_file) as file:
config_dict = json.load(file)
temp_dir = Path(config_dict['temp_dir'])
aoi = config_dict['aoi']
# get track/burst dir from first scene
target_dir = Path(list_of_scenes[0]).parent.parent.parent
out_file = target_dir.joinpath(f'{target_dir.name}.extent.gpkg')
logger.info(f'Creating common extent mask for track {target_dir.name}.')
# get out directory
out_dir = out_file.parent
temp_extent = out_dir.joinpath('extent.vrt')
# build vrt stack from all scenes
gdal.BuildVRT(
str(temp_extent),
list_of_scenes,
options=gdal.BuildVRTOptions(srcNodata=0, separate=True)
)
with TemporaryDirectory(prefix=f'{temp_dir}/') as temp:
# create namespace for temp file
temp = Path(temp)
image_bounds = temp.joinpath(out_file.name)
exterior = temp.joinpath(out_file.name + '_ext')
# create outline
ras.outline(temp_extent, image_bounds, 0, False)
# create exterior ring and write out
vec.exterior(image_bounds, exterior, -0.0018)
# intersect with aoi
if config_dict['processing']['mosaic']['cut_to_aoi']:
try:
vec.aoi_intersection(aoi, exterior, out_file)
except ValueError:
shutil.move(exterior, out_file)
else:
shutil.move(exterior, out_file)
return target_dir.name, list_of_scenes, out_file
def mt_extent(list_of_scenes, out_file, temp_dir, buffer=None):
out_dir = os.path.dirname(out_file)
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
# build vrt stack from all scenes
gdal.BuildVRT(opj(out_dir, 'extent.vrt'),
list_of_scenes,
options=vrt_options)
start = time.time()
outline_file = opj(temp_dir, os.path.basename(out_file))
ras.outline(opj(out_dir, 'extent.vrt'), outline_file, 0, False)
vec.exterior(outline_file, out_file, buffer)
h.delete_shapefile(outline_file)
os.remove(opj(out_dir, 'extent.vrt'))
h.timer(start)
def hdf2tif(hdf):
"""
Converts hdf files to tiff files
:param hdf: HDF file to be processed
:return: None
"""
dataset = gdal.Open(hdf, gdal.GA_ReadOnly)
subdatasets = dataset.GetSubDatasets()
data_dir = create_output_directory(hdf)
convert_to_vrt(subdatasets, data_dir)
vrt_options = gdal.BuildVRTOptions(separate=True)
vrt_list = list_files(data_dir, 'vrt')
vrt_output = hdf.replace('.hdf', '.vrt')
gdal.BuildVRT(vrt_output, sorted(vrt_list), options=vrt_options)
proj = "+proj=sinu +R=6371007.181 +nadgrids=@null +wktext"
warp_options = gdal.WarpOptions(srcSRS=proj, dstSRS="EPSG:3857")
gdal.Warp(vrt_output.replace(".vrt", "_ndvi_reprojected.tif"),
vrt_output,
options=warp_options)
def mt_extent(list_of_scenes, out_file, buffer=None):
out_dir = os.path.dirname(out_file)
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
# build vrt stack from all scenes
gdal.BuildVRT(opj(out_dir, 'extent.vrt'),
list_of_scenes,
options=vrt_options)
logger.debug('INFO: Creating shapefile of common extent.')
start = time.time()
with TemporaryDirectory() as temp:
outline_file = opj(temp, os.path.basename(out_file))
ras.outline(opj(out_dir, 'extent.vrt'), outline_file, 0, False)
vec.exterior(outline_file, out_file, buffer)
h.delete_shapefile(outline_file)
os.remove(opj(out_dir, 'extent.vrt'))
h.timer(start)
return out_file
def image_bounds(data_dir):
"""Function to create a polygon of image boundary
This function for all files within a dimap data directory
:param data_dir:
:return:
"""
filelist = []
for file in data_dir.glob('*img'):
filelist.append(str(file))
temp_extent = data_dir.joinpath(f'{data_dir.name}_bounds.vrt')
# build vrt stack from all scenes
gdal.BuildVRT(str(temp_extent),
filelist,
options=gdal.BuildVRTOptions(srcNodata=0, separate=True))
file_id = '_'.join(data_dir.name.split('_')[:2])
outline(temp_extent, data_dir.joinpath(f'{file_id}_bounds.json'))
data_dir.joinpath(f'{data_dir.name}_bounds.vrt').unlink()
def gdal_mosaic(raster_in_path, vrt_outname, raster_out_name):
driver = gdal.GetDriverByName("VRT")
vrt_options = gdal.BuildVRTOptions(resampleAlg='bilinear', addAlpha=False)
vrt = gdal.BuildVRT(raster_in_path + vrt_outname,
glob.glob(raster_in_path + '*de.img'),
options=vrt_options)
gdal.Info(vrt)
driver.CreateCopy(raster_in_path + vrt_outname, vrt)
gdalTranslate = r'C:\OSGeo4W64\bin\gdal_translate.exe'
vrt = raster_in_path + vrt_outname
dst = raster_in_path + raster_out_name
#cmd = "-ot int16 -outsize 30 30"
def youCanQuoteMe(item):
return "\"" + item + "\""
fullCmd = ' '.join([gdalTranslate, youCanQuoteMe(vrt), youCanQuoteMe(dst)])
subprocess.call(fullCmd)
def buildVRT():
print('➡️ Beginning to create VRT')
for r, d, f in os.walk('./masked'):
pieceList = []
for file in f:
if file.split('.')[-1] != 'tif':
print('× Skipping non-TIFF file {}'.format(file))
else:
pieceList.append('./masked/{}'.format(file))
vrtOptions = gdal.BuildVRTOptions(resolution='highest',
outputSRS='EPSG:3857',
separate=False,
srcNodata=0)
gdal.BuildVRT('./mosaic.vrt', pieceList, options=vrtOptions)
print(
'🎉 Completed creating the VRT. You can now feed this directly to gdal2tiles!'
)
def convert_to_vrt(subdatasets, data_dir, bands):
"""
Loops through the subdatasets and creates vrt files
:param subdatasets: Subdataset of every HDF file
:param data_dir: Result of create_output_directory method
:return: None
"""
data_list = []
# 'bands' passed in from user refer to bands indexed from 1
# make sure we decrement each band passed in so they we access the
# 0 indexed band value inside the subdatasets list.
for band in [b - 1 for b in bands]:
output_name = os.path.join(
data_dir, "Band{}_{}.vrt".format(
str(band + 1).zfill(2), subdatasets[band][0].split(":")[-1]))
# Get the fill value
fill_value = get_metadata_item(subdatasets[band][0], 'fillvalue')
# Pass some options
vrt_options = gdal.BuildVRTOptions(srcNodata=fill_value,
VRTNodata=NO_DATA)
# Create the virtual raster
gdal.BuildVRT(output_name, subdatasets[band][0], options=vrt_options)
# Check if scale and offset exists
scale = get_metadata_item(subdatasets[band][0], 'scale')
modify_vrt(output_name, scale)
data_list.append(output_name)
return data_list
os.chdir(path_modis + modis_folders[ifo] + subfolders[iyr] + '/' +
monthname[imo])
hdf_files = sorted(glob.glob('*.hdf'))
for idt in range(len(hdf_files)):
ctd_file_path = path_modis_op + modis_folders[
ifo] + subfolders[iyr] + '/' + monthname[imo]
hdf_subdataset_extraction(hdf_files[idt], ctd_file_path,
subdataset_id[ifo], band_n[ifo])
print(hdf_files[idt]) # Print the file being processed
# 1.2 Group the Geotiff files by dates from their names and
# build virtual dataset VRT files for mosaicking MODIS geotiff files in the list
vrt_options = gdal.BuildVRTOptions(resampleAlg='near',
addAlpha=None,
bandList=None)
for ifo in range(len(modis_folders)): # MODIS LST and NDVI subfolders
# os.chdir(path_modis_op + modis_folders[ifo])
# # List subfolders under root directory
# subfolders = os.listdir()
# subfolders = [item for item in subfolders if not item.startswith('.')] # ignore '. and ._files'
# subfolders = sorted(subfolders)
for iyr in range(len(subfolders)):
for imo in range(len(monthname)):
os.chdir(path_modis_op + modis_folders[ifo] + subfolders[iyr] +
'/' + monthname[imo])
def ard_to_ts(list_of_files,
processing_dir,
track,
ard_params,
pol,
product_suffix='TC',
no_data=0.0):
# get the track directory
track_dir = opj(processing_dir, track)
# check routine if timeseries has already been processed
check_file = opj(track_dir, 'Timeseries',
'.{}.{}.processed'.format(product_suffix, pol))
if os.path.isfile(check_file):
logger.debug('INFO: Timeseries of {} for {} in {} polarisation already'
' processed'.format(track, product_suffix, pol))
return
# get the DB scaling
if product_suffix is not 'coh':
to_db = ard_params['to_db_mt']
if ard_params['apply_ls_mask']:
extent = opj(track_dir, '{}.extent.masked.shp'.format(track))
else:
extent = opj(track_dir, '{}.extent.shp'.format(track))
# min max dict for stretching in case of 16 or 8 bit datatype
mm_dict = {
'TC': {
'min': -30,
'max': 5
},
'coh': {
'min': 0.000001,
'max': 1
},
'Alpha': {
'min': 0.000001,
'max': 90
},
'Anisotropy': {
'min': 0.000001,
'max': 1
},
'Entropy': {
'min': 0.000001,
'max': 1
}
}
stretch = pol if pol in ['Alpha', 'Anisotropy', 'Entropy'
] else product_suffix
# define out_dir for stacking routine
out_dir = opj(processing_dir, '{}'.format(track), 'Timeseries')
os.makedirs(out_dir, exist_ok=True)
with TemporaryDirectory() as temp_dir:
# create namespaces
temp_stack = opj(temp_dir, '{}_{}_{}'.format(track, product_suffix,
pol))
out_stack = opj(temp_dir, '{}_{}_{}_mt'.format(track, product_suffix,
pol))
stack_log = opj(
out_dir, '{}_{}_{}_stack.err_log'.format(track, product_suffix,
pol))
# run stacking routines
# convert list of files readable for snap
list_of_files = '\'{}\''.format(','.join(list_of_files))
if pol in ['Alpha', 'Anisotropy', 'Entropy']:
logger.debug(
'INFO: Creating multi-temporal stack of images of track/track {} for'
' the {} band of the polarimetric H-A-Alpha'
' decomposition.'.format(track, pol))
create_stack(list_of_files, temp_stack, stack_log, pattern=pol)
else:
logger.debug(
'INFO: Creating multi-temporal stack of images of track/track {} for'
' {} product_suffix in {} '
'polarization.'.format(track, product_suffix, pol))
create_stack(list_of_files,
temp_stack,
stack_log,
polarisation=pol)
# run mt speckle filter
if ard_params['mt_speckle_filter'] is True:
speckle_log = opj(
out_dir,
'{}_{}_{}_mt_speckle.err_log'.format(track, product_suffix,
pol))
logger.debug('INFO: Applying multi-temporal speckle filter')
mt_speckle_filter('{}.dim'.format(temp_stack), out_stack,
speckle_log)
else:
out_stack = temp_stack
if product_suffix == 'coh':
outfiles = _get_coh_ts(in_stack=out_stack,
out_dir=out_dir,
polarization=pol,
product_suffix=product_suffix,
extent=extent,
to_db=to_db,
out_dtype=ard_params['dtype_output'],
min=mm_dict[stretch]['min'],
max=mm_dict[stretch]['max'])
else:
outfiles = _get_regular_ts(in_stack=out_stack,
out_dir=out_dir,
polarization=pol,
product_suffix=product_suffix,
extent=extent,
to_db=to_db,
out_dtype=ard_params['dtype_output'],
min=mm_dict[stretch]['min'],
max=mm_dict[stretch]['max'],
no_data=no_data)
with open(str(check_file), 'w') as file:
file.write('passed all tests \n')
# build vrt of timeseries
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(opj(out_dir,
'Timeseries.{}.{}.vrt'.format(product_suffix, pol)),
outfiles,
options=vrt_options)
def buildVRT(self, srcFilelist, outVrt):
vrt_options = gdal.BuildVRTOptions(separate=True, VRTNodata=-9999)
gdal.BuildVRT(outVrt, srcFilelist, options=vrt_options)
def _ard_to_ts(burst_inventory, processing_dir, temp_dir, burst, to_db,
ls_mask_create, ls_mask_apply, mt_speckle_filter, datatype):
burst_dir = opj(processing_dir, burst)
# get common burst extent
list_of_scenes = glob.glob(opj(burst_dir, '20*', '*data*', '*img'))
list_of_scenes = [x for x in list_of_scenes if 'layover' not in x]
extent = opj(burst_dir, '{}.extent.shp'.format(burst))
timeseries.mt_extent(list_of_scenes, extent, buffer=-0.0018)
# remove inital extent
for file in glob.glob(opj(burst_dir, 'tmp*')):
os.remove(file)
# layover/shadow mask
if ls_mask_create is True:
list_of_scenes = glob.glob(opj(burst_dir, '20*', '*data*', '*img'))
list_of_layover = [x for x in list_of_scenes if 'layover' in x]
out_ls = opj(burst_dir, '{}.ls_mask.tif'.format(burst))
timeseries.mt_layover(list_of_layover, out_ls, extent=extent)
logger.debug(
'INFO: Our common layover mask is located at {}'.format(out_ls))
if ls_mask_apply:
logger.debug(
'INFO: Calculating symetrical difference of extent and ls_mask')
ras.polygonize_raster(out_ls, '{}.shp'.format(out_ls[:-4]))
extent_ls_masked = opj(burst_dir, '{}.extent.masked.shp'.format(burst))
vec.difference(extent, '{}.shp'.format(out_ls[:-4]), extent_ls_masked)
extent = extent_ls_masked
list_of_product_types = {'BS': 'Gamma0', 'coh': 'coh', 'ha_alpha': 'Alpha'}
# we loop through each possible product
for p, product_name in list_of_product_types.items():
# we loop through each polarisation
for pol in ['VV', 'VH', 'HH', 'HV']:
# see if there is actually any imagery
list_of_ts_bursts = sorted(
glob.glob(
opj(processing_dir, burst, '20*', '*data*',
'{}*{}*img'.format(product_name, pol))))
if len(list_of_ts_bursts) > 1:
# check for all datafiles of this product type
list_of_ts_bursts = sorted(
glob.glob(
opj(processing_dir, burst, '20*/',
'*{}*dim'.format(p))))
list_of_ts_bursts = '\'{}\''.format(
','.join(list_of_ts_bursts))
# define out_dir for stacking routine
out_dir = opj(processing_dir, '{}/Timeseries'.format(burst))
os.makedirs(out_dir, exist_ok=True)
temp_stack = opj(temp_dir, '{}_{}_{}_mt'.format(burst, p, pol))
out_stack = opj(out_dir, '{}_{}_{}_mt'.format(burst, p, pol))
stack_log = opj(out_dir,
'{}_{}_{}_stack.err_log'.format(burst, p, pol))
# run stacking routines
ts.create_stack(list_of_ts_bursts,
temp_stack,
stack_log,
polarisation=pol)
# run mt speckle filter
if mt_speckle_filter is True:
speckle_log = opj(
out_dir,
'{}_{}_{}_mt_speckle.err_log'.format(burst, p, pol))
ts.mt_speckle_filter('{}.dim'.format(temp_stack),
out_stack, speckle_log)
# remove tmp files
h.delete_dimap(temp_stack)
else:
out_stack = temp_stack
# convert to GeoTiffs
if p == 'BS':
# get the dates of the files
dates = [
datetime.datetime.strptime(
x.split('_')[-1][:-4], '%d%b%Y')
for x in glob.glob(
opj('{}.data'.format(out_stack), '*img'))
]
# sort them
dates.sort()
# write them back to string for following loop
sorted_dates = [
datetime.datetime.strftime(ts, "%d%b%Y")
for ts in dates
]
i, outfiles = 1, []
for date in sorted_dates:
# restructure date to YYMMDD
in_date = datetime.datetime.strptime(date, '%d%b%Y')
out_date = datetime.datetime.strftime(
in_date, '%y%m%d')
infile = glob.glob(
opj('{}.data'.format(out_stack),
'*{}*{}*img'.format(pol, date)))[0]
# create outfile
outfile = opj(
out_dir,
'{}.{}.{}.{}.tif'.format(i, out_date, p, pol))
# mask by extent
ras.to_gtiff_clip_by_extend(infile,
outfile,
extent,
to_db=to_db,
out_dtype=datatype,
min_value=-30,
max_value=5,
no_data=0.0)
# add ot a list for subsequent vrt creation
outfiles.append(outfile)
i += 1
# build vrt of timeseries
vrt_options = gdal.BuildVRTOptions(srcNodata=0,
separate=True)
gdal.BuildVRT(opj(out_dir,
'Timeseries.{}.{}.vrt'.format(p, pol)),
outfiles,
options=vrt_options)
if p == 'coh':
# get slave and master Date
mstDates = [
datetime.datetime.strptime(
os.path.basename(x).split('_')[3].split('.')[0],
'%d%b%Y') for x in glob.glob(
opj('{}.data'.format(out_stack), '*img'))
]
slvDates = [
datetime.datetime.strptime(
os.path.basename(x).split('_')[4].split('.')[0],
'%d%b%Y') for x in glob.glob(
opj('{}.data'.format(out_stack), '*img'))
]
# sort them
mstDates.sort()
slvDates.sort()
# write them back to string for following loop
sortedMstDates = [
datetime.datetime.strftime(ts, "%d%b%Y")
for ts in mstDates
]
sortedSlvDates = [
datetime.datetime.strftime(ts, "%d%b%Y")
for ts in slvDates
]
i, outfiles = 1, []
for mst, slv in zip(sortedMstDates, sortedSlvDates):
inMst = datetime.datetime.strptime(mst, '%d%b%Y')
inSlv = datetime.datetime.strptime(slv, '%d%b%Y')
outMst = datetime.datetime.strftime(inMst, '%y%m%d')
outSlv = datetime.datetime.strftime(inSlv, '%y%m%d')
infile = glob.glob(
opj('{}.data'.format(out_stack),
'*{}*{}_{}*img'.format(pol, mst, slv)))[0]
outfile = opj(
out_dir, '{}.{}.{}.{}.{}.tif'.format(
i, outMst, outSlv, p, pol))
ras.to_gtiff_clip_by_extend(infile,
outfile,
extent,
to_db=False,
out_dtype=datatype,
min_value=0.000001,
max_value=1,
no_data=0.0)
# add ot a list for subsequent vrt creation
outfiles.append(outfile)
i += 1
# build vrt of timeseries
vrt_options = gdal.BuildVRTOptions(srcNodata=0,
separate=True)
gdal.BuildVRT(opj(out_dir,
'Timeseries.{}.{}.vrt'.format(p, pol)),
outfiles,
options=vrt_options)
# remove tmp files
h.delete_dimap(out_stack)
for pol in ['Alpha', 'Entropy', 'Anisotropy']:
list_of_ts_bursts = sorted(
glob.glob(
opj(processing_dir, burst, '20*', '*{}*'.format(p),
'*{}.img'.format(pol))))
if len(list_of_ts_bursts) > 1:
list_of_ts_bursts = sorted(
glob.glob(
opj(processing_dir, burst, '20*/', '*{}*dim'.format(p))))
list_of_ts_bursts = '\'{}\''.format(','.join(list_of_ts_bursts))
# logger.debug(list_of_ts_bursts)
out_dir = opj(processing_dir, '{}/Timeseries'.format(burst))
os.makedirs(out_dir, exist_ok=True)
temp_stack = opj(temp_dir, '{}_{}_mt'.format(burst, pol))
out_stack = opj(out_dir, '{}_{}_mt'.format(burst, pol))
stack_log = opj(out_dir, '{}_{}_stack.err_log'.format(burst, pol))
# processing routines
ts.create_stack(list_of_ts_bursts,
temp_stack,
stack_log,
pattern=pol)
if mt_speckle_filter is True:
speckle_log = opj(
out_dir, '{}_{}_mt_speckle.err_log'.format(burst, pol))
ts.mt_speckle_filter('{}.dim'.format(temp_stack), out_stack,
speckle_log)
# remove tmp files
h.delete_dimap(temp_stack)
else:
out_stack = temp_stack
# get the dates of the files
dates = [
datetime.datetime.strptime(x.split('_')[-1][:-4], '%d%b%Y')
for x in glob.glob(opj('{}.data'.format(out_stack), '*img'))
]
# sort them
dates.sort()
# write them back to string for following loop
sorted_dates = [
datetime.datetime.strftime(ts, "%d%b%Y") for ts in dates
]
i, outfiles = 1, []
for date in sorted_dates:
# restructure date to YYMMDD
in_date = datetime.datetime.strptime(date, '%d%b%Y')
out_date = datetime.datetime.strftime(in_date, '%y%m%d')
infile = glob.glob(
opj('{}.data'.format(out_stack),
'*{}*{}*img'.format(pol, date)))[0]
# create outfile
outfile = opj(out_dir,
'{}.{}.{}.{}.tif'.format(i, out_date, p, pol))
# mask by extent
max_value = 90 if pol is 'Alpha' else 1
ras.to_gtiff_clip_by_extend(infile,
outfile,
extent,
to_db=False,
out_dtype=datatype,
min_value=0.000001,
max_value=max_value,
no_data=0)
# add ot a list for subsequent vrt creation
outfiles.append(outfile)
i += 1
# build vrt of timeseries
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(opj(out_dir, 'Timeseries.{}.vrt'.format(pol)),
outfiles,
options=vrt_options)
# remove tmp files
h.delete_dimap(out_stack)
def _timeseries_to_timescan(burst_inventory, processing_dir, temp_dir,
burst_dir, to_db, metrics, outlier_removal):
product_list = [
'BS.HH', 'BS.VV', 'BS.HV', 'BS.VH', 'coh.VV', 'coh.VH', 'Alpha',
'Entropy', 'Anisotropy'
]
for product in product_list:
for timeseries in glob.glob(
opj(burst_dir, 'Timeseries', '*{}*vrt'.format(product))):
logger.debug('INFO: Creating timescan for {}'.format(product))
timescan_dir = opj(burst_dir, 'Timescan')
os.makedirs(timescan_dir, exist_ok=True)
# we get the name of the time-series parameter
polarisation = timeseries.split('/')[-1].split('.')[2]
if polarisation == 'vrt':
timescan_prefix = opj(
'{}'.format(timescan_dir),
'{}'.format(timeseries.split('/')[-1].split('.')[1]))
else:
timescan_prefix = opj(
'{}'.format(timescan_dir), '{}.{}'.format(
timeseries.split('/')[-1].split('.')[1], polarisation))
start = time.time()
if 'BS.' in timescan_prefix: # backscatter
timeseries.mt_metrics(timeseries,
timescan_prefix,
metrics,
rescale_to_datatype=True,
to_power=to_db,
outlier_removal=outlier_removal)
else: # non-backscatter
timeseries.mt_metrics(timeseries,
timescan_prefix,
metrics,
rescale_to_datatype=False,
to_power=False,
outlier_removal=outlier_removal)
h.timer(start)
# rename and create vrt
# logger.debug('renaming')
i, list_of_files = 0, []
for product in itertools.product(product_list, metrics):
file = glob.glob(
opj(burst_dir, 'Timescan',
'*{}.{}.tif'.format(product[0], product[1])))
if file:
i += 1
outfile = opj(burst_dir, 'Timescan',
'{}.{}.{}.tif'.format(i, product[0], product[1]))
shutil.move(file[0], outfile)
list_of_files.append(outfile)
# create vrt
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(opj(burst_dir, 'Timescan', 'Timescan.vrt'),
list_of_files,
options=vrt_options)
# build a vrt
g = gdal.BuildVRT(clipped_file, [blank_file_tiff])
if (g):
del(g)
bandNames.append(f'DOY {doy:03d}')
allvrt.append(clipped_file)
old_clip = clipped_file
g = gdal.BuildVRT(f'{allopfile.as_posix()}.{d}.vrt', allvrt,\
options=gdal.BuildVRTOptions(VRTNodata=255,\
srcNodata=255,\
allowProjectionDifference=True,\
separate=True))
if (g):
# set band names
for i in range(g.RasterCount):
g.GetRasterBand(i+1).SetDescription(bandNames[i])
# close and flush file
del g
print (f'{allopfile.as_posix()}.{d}.vrt')
import gdal
import numpy as np
destination_folder = Path('data')
year = 2017
def StackBands(bands_list,vrtout):
vrt_options = gdal.BuildVRTOptions(resampleAlg='cubic',separate=True)
my_vrt = gdal.BuildVRT(vrtout,bands_list, options=vrt_options)
my_vrt = None
def mt_layover_old(list_of_files, config_file):
"""
:param list_of_files:
:param config_file:
:return:
"""
# this is a godale thing
with open(config_file) as file:
config_dict = json.load(file)
temp_dir = Path(config_dict['temp_dir'])
update_extent = (
config_dict['processing']['time-series_ARD']['apply_ls_mask'])
target_dir = Path(list_of_files[0]).parent.parent.parent
outfile = target_dir.joinpath(f'{target_dir.name}.ls_mask.tif')
extent = target_dir.joinpath(f'{target_dir.name}.extent.gpkg')
burst_dir = Path(outfile).parent
burst = burst_dir.name
logger.info(
f'Creating common Layover/Shadow mask for track {target_dir.name}.')
with TemporaryDirectory(prefix=f'{temp_dir}/') as temp:
# temp to Path object
temp = Path(temp)
# create path to temp file
ls_layer = temp.joinpath(Path(outfile).name)
# create a vrt-stack out of
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(str(temp.joinpath('ls.vrt')),
list_of_files,
options=vrt_options)
with rasterio.open(temp.joinpath('ls.vrt')) as src:
# get metadata
meta = src.meta
# update driver and reduced band count
meta.update(driver='GTiff', count=1, dtype='uint8')
# create outfiles
with rasterio.open(ls_layer, 'w', **meta) as out_min:
# loop through blocks
for _, window in src.block_windows(1):
# read array with all bands
stack = src.read(range(1, src.count + 1), window=window)
# get stats
arr_max = np.nanmax(stack, axis=0)
arr = np.divide(arr_max, arr_max)
out_min.write(np.uint8(arr), window=window, indexes=1)
ras.mask_by_shape(ls_layer,
outfile,
extent,
to_db=False,
datatype='uint8',
rescale=False,
ndv=0)
ls_layer.unlink()
extent_ls_masked = None
if update_extent:
logger.info(
'Calculating symmetrical difference of extent and ls_mask')
# polygonize the multi-temporal ls mask
ras.polygonize_raster(outfile, f'{str(outfile)[:-4]}.gpkg')
# create file for masked extent
extent_ls_masked = burst_dir.joinpath(
f'{burst}.extent.masked.gpkg')
# calculate difference between burst extent
# and ls mask, for masked extent
try:
vec.difference(extent, f'{outfile.stem}.gpkg',
extent_ls_masked)
except:
shutil.copy(extent, extent_ls_masked)
return burst_dir, list_of_files, outfile, extent_ls_masked
def mt_layover(filelist, outfile, temp_dir, extent, update_extent=False):
'''
This function is usally used in the time-series workflow of OST. A list
of the filepaths layover/shadow masks
:param filelist - list of files
:param out_dir - directory where the output file will be stored
:return path to the multi-temporal layover/shadow mask file generated
'''
# get some info
burst_dir = os.path.dirname(outfile)
burst = os.path.basename(burst_dir)
extent = opj(burst_dir, '{}.extent.shp'.format(burst))
# get the start time for Info on processing time
start = time.time()
# create path to out file
ls_layer = opj(temp_dir, os.path.basename(outfile))
# create a vrt-stack out of
print(' INFO: Creating common Layover/Shadow Mask')
vrt_options = gdal.BuildVRTOptions(srcNodata=0, separate=True)
gdal.BuildVRT(opj(temp_dir, 'ls.vrt'), filelist, options=vrt_options)
with rasterio.open(opj(temp_dir, 'ls.vrt')) as src:
# get metadata
meta = src.meta
# update driver and reduced band count
meta.update(driver='GTiff', count=1, dtype='uint8')
# create outfiles
with rasterio.open(ls_layer, 'w', **meta) as out_min:
# loop through blocks
for _, window in src.block_windows(1):
# read array with all bands
stack = src.read(range(1, src.count + 1), window=window)
# get stats
arr_max = np.nanmax(stack, axis=0)
arr = arr_max / arr_max
out_min.write(np.uint8(arr), window=window, indexes=1)
ras.mask_by_shape(ls_layer,
outfile,
extent,
to_db=False,
datatype='uint8',
rescale=False,
ndv=0)
os.remove(ls_layer)
h.timer(start)
if update_extent:
print(' INFO: Calculating symetrical difference of extent and ls_mask')
# polygonize the multi-temporal ls mask
ras.polygonize_raster(outfile, '{}.shp'.format(outfile[:-4]))
# create file for masked extent
extent_ls_masked = opj(burst_dir, '{}.extent.masked.shp'.format(burst))
# calculate difference between burst exntetn and ls mask, fr masked extent
vec.difference(extent, '{}.shp'.format(outfile[:-4]), extent_ls_masked)