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ISCE_INSAR
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added buffer margin to orbit times in get_orbit

LT1AB
Cheryl 2020-05-20 13:33:50 +08:00 committed by piyushrpt
parent 0fb49e383e
commit edea69d4b6
1 changed files with 6 additions and 5 deletions
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11
contrib/stack/topsStack/Stack.py
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@ -912,7 +912,8 @@ class sentinelSLC(object):
self.SNWE=[min(lats),max(lats),min(lons),max(lons)] self.SNWE=[min(lats),max(lats),min(lons),max(lons)]
def get_orbit(self, orbitDir, workDir): def get_orbit(self, orbitDir, workDir, margin=60.0):
margin = datetime.timedelta(seconds=margin)
datefmt = "%Y%m%dT%H%M%S" datefmt = "%Y%m%dT%H%M%S"
orbit_files = glob.glob(os.path.join(orbitDir, self.platform + '*.EOF')) orbit_files = glob.glob(os.path.join(orbitDir, self.platform + '*.EOF'))
if len(orbit_files) == 0: if len(orbit_files) == 0:
@ -922,10 +923,10 @@ class sentinelSLC(object):
for orbit in orbit_files: for orbit in orbit_files:
orbit = os.path.basename(orbit) orbit = os.path.basename(orbit)
fields = orbit.split('_') fields = orbit.split('_')
orbit_start_date_time = datetime.datetime.strptime(fields[6].replace('V',''), datefmt) orbit_start_date_time = datetime.datetime.strptime(fields[6].replace('V',''), datefmt) + margin
orbit_stop_date_time = datetime.datetime.strptime(fields[7].replace('.EOF',''), datefmt) orbit_stop_date_time = datetime.datetime.strptime(fields[7].replace('.EOF',''), datefmt) - margin
if self.start_date_time > orbit_start_date_time and self.stop_date_time < orbit_stop_date_time: if self.start_date_time >= orbit_start_date_time and self.stop_date_time < orbit_stop_date_time:
self.orbit = os.path.join(orbitDir,orbit) self.orbit = os.path.join(orbitDir,orbit)
self.orbitType = 'precise' self.orbitType = 'precise'
match = True match = True
@ -944,7 +945,7 @@ class sentinelSLC(object):
fields = os.path.basename(orbitFile).split('_') fields = os.path.basename(orbitFile).split('_')
orbit_start_date_time = datetime.datetime.strptime(fields[6].replace('V',''), datefmt) orbit_start_date_time = datetime.datetime.strptime(fields[6].replace('V',''), datefmt)
orbit_stop_date_time = datetime.datetime.strptime(fields[7].replace('.EOF',''), datefmt) orbit_stop_date_time = datetime.datetime.strptime(fields[7].replace('.EOF',''), datefmt)
if self.start_date_time > orbit_start_date_time and self.stop_date_time < orbit_stop_date_time: if self.start_date_time >= orbit_start_date_time and self.stop_date_time < orbit_stop_date_time:
print ("restituted orbit already exists.") print ("restituted orbit already exists.")
self.orbit = orbitFile self.orbit = orbitFile
self.orbitType = 'restituted' self.orbitType = 'restituted'