def runSwathOffset(self):
'''estimate swath offsets.
'''
catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
self.updateParamemetersFromUser()
masterTrack = self._insar.loadTrack(master=True)
slaveTrack = self._insar.loadTrack(master=False)
for i, frameNumber in enumerate(self._insar.masterFrames):
frameDir = 'f{}_{}'.format(i+1, frameNumber)
os.chdir(frameDir)
mosaicDir = 'mosaic'
if not os.path.exists(mosaicDir):
os.makedirs(mosaicDir)
os.chdir(mosaicDir)
if self._insar.endingSwath-self._insar.startingSwath+1 == 1:
os.chdir('../../')
continue
#compute swath offset
offsetMaster = swathOffset(masterTrack.frames[i], os.path.join(self._insar.masterBurstPrefix, self._insar.masterMagnitude), self._insar.masterSwathOffset,
crossCorrelation=self.swathOffsetMatching, numberOfAzimuthLooks=1)
#only use geometrical offset for slave
offsetSlave = swathOffset(slaveTrack.frames[i], os.path.join(self._insar.slaveBurstPrefix, self._insar.slaveMagnitude), self._insar.slaveSwathOffset,
crossCorrelation=False, numberOfAzimuthLooks=1)
#initialization
if i == 0:
self._insar.swathRangeOffsetGeometricalMaster = []
self._insar.swathAzimuthOffsetGeometricalMaster = []
self._insar.swathRangeOffsetGeometricalSlave = []
self._insar.swathAzimuthOffsetGeometricalSlave = []
if self.swathOffsetMatching:
self._insar.swathRangeOffsetMatchingMaster = []
self._insar.swathAzimuthOffsetMatchingMaster = []
#self._insar.swathRangeOffsetMatchingSlave = []
#self._insar.swathAzimuthOffsetMatchingSlave = []
#append list directly, as the API support 2-d list
self._insar.swathRangeOffsetGeometricalMaster.append(offsetMaster[0])
self._insar.swathAzimuthOffsetGeometricalMaster.append(offsetMaster[1])
self._insar.swathRangeOffsetGeometricalSlave.append(offsetSlave[0])
self._insar.swathAzimuthOffsetGeometricalSlave.append(offsetSlave[1])
if self.swathOffsetMatching:
self._insar.swathRangeOffsetMatchingMaster.append(offsetMaster[2])
self._insar.swathAzimuthOffsetMatchingMaster.append(offsetMaster[3])
#self._insar.swathRangeOffsetMatchingSlave.append(offsetSlave[2])
#self._insar.swathAzimuthOffsetMatchingSlave.append(offsetSlave[3])
os.chdir('../../')
catalog.printToLog(logger, "runSwathOffset")
self._insar.procDoc.addAllFromCatalog(catalog)
match = inps.match
#######################################################
spotlightModes, stripmapModes, scansarNominalModes, scansarWideModes, scansarModes = acquisitionModesAlos2()
frames = sorted([x[-4:] for x in glob.glob(os.path.join(idir, 'f*_*'))])
track = loadTrack(idir, date)
#save current dir
dirOriginal = os.getcwd()
os.chdir(idir)
if (track.operationMode in scansarModes) and (len(track.frames[0].swaths) >= 2):
for i, frameNumber in enumerate(frames):
frameDir = 'f{}_{}'.format(i+1, frameNumber)
os.chdir(frameDir)
mosaicDir = 'mosaic'
os.makedirs(mosaicDir, exist_ok=True)
os.chdir(mosaicDir)
#compute swath offset
offsetReference = swathOffset(track.frames[i], date+'.slc', outputFile,
crossCorrelation=match, numberOfAzimuthLooks=10)
os.chdir('../../')
else:
print('there is only one swath, no need to estimate swath offset')
def runIonSubband(self, referenceTrack, idir, dateReferenceStack,
dateReference, dateSecondary):
'''create subband interferograms
'''
#catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
#self.updateParamemetersFromUser()
#if not self.doIon:
# catalog.printToLog(logger, "runIonSubband")
# self._insar.procDoc.addAllFromCatalog(catalog)
# return
#referenceTrack = self._insar.loadTrack(reference=True)
#secondaryTrack = self._insar.loadTrack(reference=False)
#using 1/3, 1/3, 1/3 band split
radarWavelength = referenceTrack.radarWavelength
rangeBandwidth = referenceTrack.frames[0].swaths[0].rangeBandwidth
rangeSamplingRate = referenceTrack.frames[0].swaths[0].rangeSamplingRate
radarWavelengthLower = SPEED_OF_LIGHT / (SPEED_OF_LIGHT / radarWavelength -
rangeBandwidth / 3.0)
radarWavelengthUpper = SPEED_OF_LIGHT / (SPEED_OF_LIGHT / radarWavelength +
rangeBandwidth / 3.0)
subbandRadarWavelength = [radarWavelengthLower, radarWavelengthUpper]
subbandBandWidth = [
rangeBandwidth / 3.0 / rangeSamplingRate,
rangeBandwidth / 3.0 / rangeSamplingRate
]
subbandFrequencyCenter = [
-rangeBandwidth / 3.0 / rangeSamplingRate,
rangeBandwidth / 3.0 / rangeSamplingRate
]
subbandPrefix = ['lower', 'upper']
'''
ionDir = {
ionDir['swathMosaic'] : 'mosaic',
ionDir['insar'] : 'insar',
ionDir['ion'] : 'ion',
ionDir['subband'] : ['lower', 'upper'],
ionDir['ionCal'] : 'ion_cal'
}
'''
#define upper level directory names
ionDir = defineIonDir()
#self._insar.subbandRadarWavelength = subbandRadarWavelength
############################################################
# STEP 1. create directories
############################################################
#create and enter 'ion' directory
#after finishing each step, we are in this directory
os.makedirs(ionDir['ion'], exist_ok=True)
os.chdir(ionDir['ion'])
#create insar processing directories
for k in range(2):
subbandDir = ionDir['subband'][k]
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i + 1, frameNumber)
for j, swathNumber in enumerate(
range(self._insar.startingSwath,
self._insar.endingSwath + 1)):
swathDir = 's{}'.format(swathNumber)
fullDir = os.path.join(subbandDir, frameDir, swathDir)
os.makedirs(fullDir, exist_ok=True)
#create ionospheric phase directory
os.makedirs(ionDir['ionCal'], exist_ok=True)
############################################################
# STEP 2. create subband interferograms
############################################################
#import numpy as np
#import stdproc
#from iscesys.StdOEL.StdOELPy import create_writer
#from isceobj.Alos2Proc.Alos2ProcPublic import readOffset
#from contrib.alos2proc.alos2proc import rg_filter
from StackPulic import formInterferogram
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i + 1, frameNumber)
for j, swathNumber in enumerate(
range(self._insar.startingSwath, self._insar.endingSwath + 1)):
swathDir = 's{}'.format(swathNumber)
#skip this time consuming process, if interferogram already exists
if os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.interferogram)) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.interferogram+'.vrt')) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.interferogram+'.xml')) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.amplitude)) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.amplitude+'.vrt')) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.amplitude+'.xml')) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.interferogram)) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.interferogram+'.vrt')) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.interferogram+'.xml')) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.amplitude)) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.amplitude+'.vrt')) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.amplitude+'.xml')):
print('interferogram already exists at swath {}, frame {}'.
format(swathNumber, frameNumber))
continue
# #filter reference and secondary images
# for slcx in [self._insar.referenceSlc, self._insar.secondarySlc]:
# slc = os.path.join('../', frameDir, swathDir, slcx)
# slcLower = os.path.join(ionDir['subband'][0], frameDir, swathDir, slcx)
# slcUpper = os.path.join(ionDir['subband'][1], frameDir, swathDir, slcx)
# rg_filter(slc, 2,
# [slcLower, slcUpper],
# subbandBandWidth,
# subbandFrequencyCenter,
# 257, 2048, 0.1, 0, 0.0)
#resample
for k in range(2):
os.chdir(os.path.join(ionDir['subband'][k], frameDir,
swathDir))
slcReference = os.path.join(
'../../../../', idir, dateReference, frameDir, swathDir,
dateReference + '_{}.slc'.format(ionDir['subband'][k]))
slcSecondary = os.path.join(
'../../../../', idir, dateSecondary, frameDir, swathDir,
dateSecondary + '_{}.slc'.format(ionDir['subband'][k]))
formInterferogram(slcReference, slcSecondary,
self._insar.interferogram,
self._insar.amplitude,
self._insar.numberRangeLooks1,
self._insar.numberAzimuthLooks1)
os.chdir('../../../')
############################################################
# STEP 3. mosaic swaths
############################################################
from isceobj.Alos2Proc.runSwathMosaic import swathMosaic
from isceobj.Alos2Proc.Alos2ProcPublic import create_xml
#log output info
log = 'mosaic swaths in {} at {}\n'.format(os.path.basename(__file__),
datetime.datetime.now())
log += '================================================================================================\n'
for k in range(2):
os.chdir(ionDir['subband'][k])
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i + 1, frameNumber)
os.chdir(frameDir)
mosaicDir = ionDir['swathMosaic']
os.makedirs(mosaicDir, exist_ok=True)
os.chdir(mosaicDir)
if not (self._insar.endingSwath - self._insar.startingSwath >= 1):
import shutil
swathDir = 's{}'.format(
referenceTrack.frames[i].swaths[0].swathNumber)
# if not os.path.isfile(self._insar.interferogram):
# os.symlink(os.path.join('../', swathDir, self._insar.interferogram), self._insar.interferogram)
# shutil.copy2(os.path.join('../', swathDir, self._insar.interferogram+'.vrt'), self._insar.interferogram+'.vrt')
# shutil.copy2(os.path.join('../', swathDir, self._insar.interferogram+'.xml'), self._insar.interferogram+'.xml')
# if not os.path.isfile(self._insar.amplitude):
# os.symlink(os.path.join('../', swathDir, self._insar.amplitude), self._insar.amplitude)
# shutil.copy2(os.path.join('../', swathDir, self._insar.amplitude+'.vrt'), self._insar.amplitude+'.vrt')
# shutil.copy2(os.path.join('../', swathDir, self._insar.amplitude+'.xml'), self._insar.amplitude+'.xml')
os.rename(
os.path.join('../', swathDir, self._insar.interferogram),
self._insar.interferogram)
os.rename(
os.path.join('../', swathDir,
self._insar.interferogram + '.vrt'),
self._insar.interferogram + '.vrt')
os.rename(
os.path.join('../', swathDir,
self._insar.interferogram + '.xml'),
self._insar.interferogram + '.xml')
os.rename(os.path.join('../', swathDir, self._insar.amplitude),
self._insar.amplitude)
os.rename(
os.path.join('../', swathDir,
self._insar.amplitude + '.vrt'),
self._insar.amplitude + '.vrt')
os.rename(
os.path.join('../', swathDir,
self._insar.amplitude + '.xml'),
self._insar.amplitude + '.xml')
#no need to update frame parameters here
os.chdir('../')
#no need to save parameter file here
os.chdir('../')
continue
#choose offsets
numberOfFrames = len(referenceTrack.frames)
numberOfSwaths = len(referenceTrack.frames[i].swaths)
# if self.swathOffsetMatching:
# #no need to do this as the API support 2-d list
# #rangeOffsets = (np.array(self._insar.swathRangeOffsetMatchingReference)).reshape(numberOfFrames, numberOfSwaths)
# #azimuthOffsets = (np.array(self._insar.swathAzimuthOffsetMatchingReference)).reshape(numberOfFrames, numberOfSwaths)
# rangeOffsets = self._insar.swathRangeOffsetMatchingReference
# azimuthOffsets = self._insar.swathAzimuthOffsetMatchingReference
# else:
# #rangeOffsets = (np.array(self._insar.swathRangeOffsetGeometricalReference)).reshape(numberOfFrames, numberOfSwaths)
# #azimuthOffsets = (np.array(self._insar.swathAzimuthOffsetGeometricalReference)).reshape(numberOfFrames, numberOfSwaths)
# rangeOffsets = self._insar.swathRangeOffsetGeometricalReference
# azimuthOffsets = self._insar.swathAzimuthOffsetGeometricalReference
# rangeOffsets = rangeOffsets[i]
# azimuthOffsets = azimuthOffsets[i]
#compute swath offset using reference stack
#geometrical offset is enough now
offsetReferenceStack = swathOffset(referenceTrack.frames[i],
dateReference + '.slc',
'swath_offset_' +
dateReference + '.txt',
crossCorrelation=False,
numberOfAzimuthLooks=10)
#we can faithfully make it integer.
#this can also reduce the error due to floating point computation
rangeOffsets = [float(round(x)) for x in offsetReferenceStack[0]]
azimuthOffsets = [float(round(x)) for x in offsetReferenceStack[1]]
#list of input files
inputInterferograms = []
inputAmplitudes = []
#phaseDiff = [None]
swathPhaseDiffIon = [
self.swathPhaseDiffLowerIon, self.swathPhaseDiffUpperIon
]
phaseDiff = swathPhaseDiffIon[k]
if swathPhaseDiffIon[k] is None:
phaseDiff = None
else:
phaseDiff = swathPhaseDiffIon[k][i]
phaseDiff.insert(0, None)
for j, swathNumber in enumerate(
range(self._insar.startingSwath,
self._insar.endingSwath + 1)):
swathDir = 's{}'.format(swathNumber)
inputInterferograms.append(
os.path.join('../', swathDir, self._insar.interferogram))
inputAmplitudes.append(
os.path.join('../', swathDir, self._insar.amplitude))
# #compute phase needed to be compensated using startingRange
# if j >= 1:
# #phaseDiffSwath1 = -4.0 * np.pi * (referenceTrack.frames[i].swaths[j-1].startingRange - secondaryTrack.frames[i].swaths[j-1].startingRange)/subbandRadarWavelength[k]
# #phaseDiffSwath2 = -4.0 * np.pi * (referenceTrack.frames[i].swaths[j].startingRange - secondaryTrack.frames[i].swaths[j].startingRange)/subbandRadarWavelength[k]
# phaseDiffSwath1 = +4.0 * np.pi * referenceTrack.frames[i].swaths[j-1].startingRange * (1.0/radarWavelength - 1.0/subbandRadarWavelength[k]) \
# -4.0 * np.pi * secondaryTrack.frames[i].swaths[j-1].startingRange * (1.0/radarWavelength - 1.0/subbandRadarWavelength[k])
# phaseDiffSwath2 = +4.0 * np.pi * referenceTrack.frames[i].swaths[j].startingRange * (1.0/radarWavelength - 1.0/subbandRadarWavelength[k]) \
# -4.0 * np.pi * secondaryTrack.frames[i].swaths[j].startingRange * (1.0/radarWavelength - 1.0/subbandRadarWavelength[k])
# if referenceTrack.frames[i].swaths[j-1].startingRange - secondaryTrack.frames[i].swaths[j-1].startingRange == \
# referenceTrack.frames[i].swaths[j].startingRange - secondaryTrack.frames[i].swaths[j].startingRange:
# #phaseDiff.append(phaseDiffSwath2 - phaseDiffSwath1)
# #if reference and secondary versions are all before or after version 2.025 (starting range error < 0.5 m),
# #it should be OK to do the above.
# #see results in neom where it meets the above requirement, but there is still phase diff
# #to be less risky, we do not input values here
# phaseDiff.append(None)
# else:
# phaseDiff.append(None)
#note that frame parameters are updated after mosaicking, here no need to update parameters
#mosaic amplitudes
swathMosaic(referenceTrack.frames[i],
inputAmplitudes,
self._insar.amplitude,
rangeOffsets,
azimuthOffsets,
self._insar.numberRangeLooks1,
self._insar.numberAzimuthLooks1,
resamplingMethod=0)
#mosaic interferograms
#These are for ALOS-2, may need to change for ALOS-4!
phaseDiffFixed = [
0.0, 0.4754024578084084, 0.9509913179406437,
1.4261648478671614, 2.179664007520499, 2.6766909968024932,
3.130810857
]
#if (referenceTrack.frames[i].processingSoftwareVersion == '2.025' and secondaryTrack.frames[i].processingSoftwareVersion == '2.023') or \
# (referenceTrack.frames[i].processingSoftwareVersion == '2.023' and secondaryTrack.frames[i].processingSoftwareVersion == '2.025'):
# # changed value number of samples to estimate new value new values estimate area
# ###########################################################################################################################
# # 2.6766909968024932-->2.6581660335779866 1808694 d169-f2850, north CA
# # 2.179664007520499 -->2.204125866652153 131120 d169-f2850, north CA
# phaseDiffFixed = [0.0, 0.4754024578084084, 0.9509913179406437, 1.4261648478671614, 2.204125866652153, 2.6581660335779866, 3.130810857]
snapThreshold = 0.2
#the above preparetions only applies to 'self._insar.modeCombination == 21'
#looks like it also works for 31 (scansarNominalModes-stripmapModes)
# if self._insar.modeCombination != 21:
# phaseDiff = None
# phaseDiffFixed = None
# snapThreshold = None
#whether snap for each swath
if self.swathPhaseDiffSnapIon == None:
snapSwath = [[True for jjj in range(numberOfSwaths - 1)]
for iii in range(numberOfFrames)]
else:
snapSwath = self.swathPhaseDiffSnapIon
if len(snapSwath) != numberOfFrames:
raise Exception(
'please specify each frame for parameter: swath phase difference snap to fixed values'
)
for iii in range(numberOfFrames):
if len(snapSwath[iii]) != (numberOfSwaths - 1):
raise Exception(
'please specify correct number of swaths for parameter: swath phase difference snap to fixed values'
)
(phaseDiffEst, phaseDiffUsed, phaseDiffSource,
numberOfValidSamples) = swathMosaic(
referenceTrack.frames[i],
inputInterferograms,
self._insar.interferogram,
rangeOffsets,
azimuthOffsets,
self._insar.numberRangeLooks1,
self._insar.numberAzimuthLooks1,
updateFrame=False,
phaseCompensation=True,
phaseDiff=phaseDiff,
phaseDiffFixed=phaseDiffFixed,
snapThreshold=snapThreshold,
snapSwath=snapSwath[i],
pcRangeLooks=1,
pcAzimuthLooks=4,
filt=False,
resamplingMethod=1)
#the first item is meaningless for all the following list, so only record the following items
if phaseDiff == None:
phaseDiff = [
None for iii in range(self._insar.startingSwath,
self._insar.endingSwath + 1)
]
#catalog.addItem('frame {} {} band swath phase diff input'.format(frameNumber, ionDir['subband'][k]), phaseDiff[1:], 'runIonSubband')
#catalog.addItem('frame {} {} band swath phase diff estimated'.format(frameNumber, ionDir['subband'][k]), phaseDiffEst[1:], 'runIonSubband')
#catalog.addItem('frame {} {} band swath phase diff used'.format(frameNumber, ionDir['subband'][k]), phaseDiffUsed[1:], 'runIonSubband')
#catalog.addItem('frame {} {} band swath phase diff used source'.format(frameNumber, ionDir['subband'][k]), phaseDiffSource[1:], 'runIonSubband')
#catalog.addItem('frame {} {} band swath phase diff samples used'.format(frameNumber, ionDir['subband'][k]), numberOfValidSamples[1:], 'runIonSubband')
log += 'frame {} {} band swath phase diff input: {}\n'.format(
frameNumber, ionDir['subband'][k], phaseDiff[1:])
log += 'frame {} {} band swath phase diff estimated: {}\n'.format(
frameNumber, ionDir['subband'][k], phaseDiffEst[1:])
log += 'frame {} {} band swath phase diff used: {}\n'.format(
frameNumber, ionDir['subband'][k], phaseDiffUsed[1:])
log += 'frame {} {} band swath phase diff used source: {}\n'.format(
frameNumber, ionDir['subband'][k], phaseDiffSource[1:])
log += 'frame {} {} band swath phase diff samples used: {}\n'.format(
frameNumber, ionDir['subband'][k], numberOfValidSamples[1:])
#check if there is value around 3.130810857, which may not be stable
phaseDiffUnstableExist = False
for xxx in phaseDiffUsed:
if abs(abs(xxx) - 3.130810857) < 0.2:
phaseDiffUnstableExist = True
#catalog.addItem('frame {} {} band swath phase diff unstable exists'.format(frameNumber, ionDir['subband'][k]), phaseDiffUnstableExist, 'runIonSubband')
log += 'frame {} {} band swath phase diff unstable exists: {}\n'.format(
frameNumber, ionDir['subband'][k], phaseDiffUnstableExist)
log += '\n'
create_xml(self._insar.amplitude,
referenceTrack.frames[i].numberOfSamples,
referenceTrack.frames[i].numberOfLines, 'amp')
create_xml(self._insar.interferogram,
referenceTrack.frames[i].numberOfSamples,
referenceTrack.frames[i].numberOfLines, 'int')
#update secondary frame parameters here, here no need to update parameters
os.chdir('../')
#save parameter file, here no need to save parameter file
os.chdir('../')
os.chdir('../')
############################################################
# STEP 4. mosaic frames
############################################################
from isceobj.Alos2Proc.runFrameMosaic import frameMosaic
from isceobj.Alos2Proc.Alos2ProcPublic import create_xml
log += 'mosaic frames in {} at {}\n'.format(os.path.basename(__file__),
datetime.datetime.now())
log += '================================================================================================\n'
spotlightModes, stripmapModes, scansarNominalModes, scansarWideModes, scansarModes = acquisitionModesAlos2(
)
for k in range(2):
os.chdir(ionDir['subband'][k])
mosaicDir = ionDir['insar']
os.makedirs(mosaicDir, exist_ok=True)
os.chdir(mosaicDir)
numberOfFrames = len(referenceTrack.frames)
if numberOfFrames == 1:
import shutil
frameDir = os.path.join('f1_{}/mosaic'.format(
self._insar.referenceFrames[0]))
# if not os.path.isfile(self._insar.interferogram):
# os.symlink(os.path.join('../', frameDir, self._insar.interferogram), self._insar.interferogram)
# #shutil.copy2() can overwrite
# shutil.copy2(os.path.join('../', frameDir, self._insar.interferogram+'.vrt'), self._insar.interferogram+'.vrt')
# shutil.copy2(os.path.join('../', frameDir, self._insar.interferogram+'.xml'), self._insar.interferogram+'.xml')
# if not os.path.isfile(self._insar.amplitude):
# os.symlink(os.path.join('../', frameDir, self._insar.amplitude), self._insar.amplitude)
# shutil.copy2(os.path.join('../', frameDir, self._insar.amplitude+'.vrt'), self._insar.amplitude+'.vrt')
# shutil.copy2(os.path.join('../', frameDir, self._insar.amplitude+'.xml'), self._insar.amplitude+'.xml')
os.rename(os.path.join('../', frameDir, self._insar.interferogram),
self._insar.interferogram)
os.rename(
os.path.join('../', frameDir,
self._insar.interferogram + '.vrt'),
self._insar.interferogram + '.vrt')
os.rename(
os.path.join('../', frameDir,
self._insar.interferogram + '.xml'),
self._insar.interferogram + '.xml')
os.rename(os.path.join('../', frameDir, self._insar.amplitude),
self._insar.amplitude)
os.rename(
os.path.join('../', frameDir, self._insar.amplitude + '.vrt'),
self._insar.amplitude + '.vrt')
os.rename(
os.path.join('../', frameDir, self._insar.amplitude + '.xml'),
self._insar.amplitude + '.xml')
#update track parameters, no need to update track parameters here
else:
# #choose offsets
# if self.frameOffsetMatching:
# rangeOffsets = self._insar.frameRangeOffsetMatchingReference
# azimuthOffsets = self._insar.frameAzimuthOffsetMatchingReference
# else:
# rangeOffsets = self._insar.frameRangeOffsetGeometricalReference
# azimuthOffsets = self._insar.frameAzimuthOffsetGeometricalReference
if referenceTrack.operationMode in scansarModes:
matchingMode = 0
else:
matchingMode = 1
#geometrical offset is enough
offsetReferenceStack = frameOffset(referenceTrack,
dateReference + '.slc',
'frame_offset_' +
dateReference + '.txt',
crossCorrelation=False,
matchingMode=matchingMode)
#we can faithfully make it integer.
#this can also reduce the error due to floating point computation
rangeOffsets = [float(round(x)) for x in offsetReferenceStack[0]]
azimuthOffsets = [float(round(x)) for x in offsetReferenceStack[1]]
#list of input files
inputInterferograms = []
inputAmplitudes = []
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i + 1, frameNumber)
inputInterferograms.append(
os.path.join('../', frameDir, 'mosaic',
self._insar.interferogram))
inputAmplitudes.append(
os.path.join('../', frameDir, 'mosaic',
self._insar.amplitude))
#note that track parameters are updated after mosaicking
#mosaic amplitudes
frameMosaic(referenceTrack,
inputAmplitudes,
self._insar.amplitude,
rangeOffsets,
azimuthOffsets,
self._insar.numberRangeLooks1,
self._insar.numberAzimuthLooks1,
updateTrack=False,
phaseCompensation=False,
resamplingMethod=0)
#mosaic interferograms
(phaseDiffEst, phaseDiffUsed, phaseDiffSource,
numberOfValidSamples) = frameMosaic(
referenceTrack,
inputInterferograms,
self._insar.interferogram,
rangeOffsets,
azimuthOffsets,
self._insar.numberRangeLooks1,
self._insar.numberAzimuthLooks1,
updateTrack=False,
phaseCompensation=True,
resamplingMethod=1)
create_xml(self._insar.amplitude, referenceTrack.numberOfSamples,
referenceTrack.numberOfLines, 'amp')
create_xml(self._insar.interferogram,
referenceTrack.numberOfSamples,
referenceTrack.numberOfLines, 'int')
#if multiple frames, remove frame amplitudes/inteferograms to save space
for x in inputAmplitudes:
os.remove(x)
os.remove(x + '.vrt')
os.remove(x + '.xml')
for x in inputInterferograms:
os.remove(x)
os.remove(x + '.vrt')
os.remove(x + '.xml')
#catalog.addItem('{} band frame phase diff estimated'.format(ionDir['subband'][k]), phaseDiffEst[1:], 'runIonSubband')
#catalog.addItem('{} band frame phase diff used'.format(ionDir['subband'][k]), phaseDiffUsed[1:], 'runIonSubband')
#catalog.addItem('{} band frame phase diff used source'.format(ionDir['subband'][k]), phaseDiffSource[1:], 'runIonSubband')
#catalog.addItem('{} band frame phase diff samples used'.format(ionDir['subband'][k]), numberOfValidSamples[1:], 'runIonSubband')
log += '{} band frame phase diff estimated: {}\n'.format(
ionDir['subband'][k], phaseDiffEst[1:])
log += '{} band frame phase diff used: {}\n'.format(
ionDir['subband'][k], phaseDiffUsed[1:])
log += '{} band frame phase diff used source: {}\n'.format(
ionDir['subband'][k], phaseDiffSource[1:])
log += '{} band frame phase diff samples used: {}\n'.format(
ionDir['subband'][k], numberOfValidSamples[1:])
log += '\n'
#update secondary parameters here, no need to update secondary parameters here
os.chdir('../')
#save parameter file, no need to save parameter file here
os.chdir('../')
############################################################
# STEP 5. clear frame processing files
############################################################
import shutil
from isceobj.Alos2Proc.Alos2ProcPublic import runCmd
for k in range(2):
os.chdir(ionDir['subband'][k])
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i + 1, frameNumber)
#keep subswath interferograms
#shutil.rmtree(frameDir)
#cmd = 'rm -rf {}'.format(frameDir)
#runCmd(cmd)
os.chdir('../')
############################################################
# STEP 6. create differential interferograms
############################################################
import numpy as np
from isceobj.Alos2Proc.Alos2ProcPublic import runCmd
for k in range(2):
os.chdir(ionDir['subband'][k])
insarDir = ionDir['insar']
os.makedirs(insarDir, exist_ok=True)
os.chdir(insarDir)
rangePixelSize = self._insar.numberRangeLooks1 * referenceTrack.rangePixelSize
radarWavelength = subbandRadarWavelength[k]
ml1 = '_{}rlks_{}alks'.format(self._insar.numberRangeLooks1,
self._insar.numberAzimuthLooks1)
if dateReference == dateReferenceStack:
rectRangeOffset = os.path.join(
'../../../', idir, dateSecondary, 'insar',
dateSecondary + ml1 + '_rg_rect.off')
cmd = "imageMath.py -e='a*exp(-1.0*J*b*4.0*{}*{}/{})*(b!=0)' --a={} --b={} -o {} -t cfloat".format(
np.pi, rangePixelSize, radarWavelength,
self._insar.interferogram, rectRangeOffset,
self._insar.differentialInterferogram)
elif dateSecondary == dateReferenceStack:
rectRangeOffset = os.path.join(
'../../../', idir, dateReference, 'insar',
dateReference + ml1 + '_rg_rect.off')
cmd = "imageMath.py -e='a*exp(1.0*J*b*4.0*{}*{}/{})*(b!=0)' --a={} --b={} -o {} -t cfloat".format(
np.pi, rangePixelSize, radarWavelength,
self._insar.interferogram, rectRangeOffset,
self._insar.differentialInterferogram)
else:
rectRangeOffset1 = os.path.join(
'../../../', idir, dateReference, 'insar',
dateReference + ml1 + '_rg_rect.off')
rectRangeOffset2 = os.path.join(
'../../../', idir, dateSecondary, 'insar',
dateSecondary + ml1 + '_rg_rect.off')
cmd = "imageMath.py -e='a*exp(1.0*J*(b-c)*4.0*{}*{}/{})*(b!=0)*(c!=0)' --a={} --b={} --c={} -o {} -t cfloat".format(
np.pi, rangePixelSize, radarWavelength,
self._insar.interferogram, rectRangeOffset1, rectRangeOffset2,
self._insar.differentialInterferogram)
runCmd(cmd)
os.chdir('../../')
os.chdir('../')
return log
def runSwathOffset(self):
'''estimate swath offsets.
'''
catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
self.updateParamemetersFromUser()
referenceTrack = self._insar.loadTrack(reference=True)
secondaryTrack = self._insar.loadTrack(reference=False)
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i + 1, frameNumber)
os.chdir(frameDir)
mosaicDir = 'mosaic'
os.makedirs(mosaicDir, exist_ok=True)
os.chdir(mosaicDir)
if self._insar.endingSwath - self._insar.startingSwath + 1 == 1:
os.chdir('../../')
continue
#compute swath offset
offsetReference = swathOffset(
referenceTrack.frames[i],
os.path.join(self._insar.referenceBurstPrefix,
self._insar.referenceMagnitude),
self._insar.referenceSwathOffset,
crossCorrelation=self.swathOffsetMatching,
numberOfAzimuthLooks=1)
#only use geometrical offset for secondary
offsetSecondary = swathOffset(secondaryTrack.frames[i],
os.path.join(
self._insar.secondaryBurstPrefix,
self._insar.secondaryMagnitude),
self._insar.secondarySwathOffset,
crossCorrelation=False,
numberOfAzimuthLooks=1)
#initialization
if i == 0:
self._insar.swathRangeOffsetGeometricalReference = []
self._insar.swathAzimuthOffsetGeometricalReference = []
self._insar.swathRangeOffsetGeometricalSecondary = []
self._insar.swathAzimuthOffsetGeometricalSecondary = []
if self.swathOffsetMatching:
self._insar.swathRangeOffsetMatchingReference = []
self._insar.swathAzimuthOffsetMatchingReference = []
#self._insar.swathRangeOffsetMatchingSecondary = []
#self._insar.swathAzimuthOffsetMatchingSecondary = []
#append list directly, as the API support 2-d list
self._insar.swathRangeOffsetGeometricalReference.append(
offsetReference[0])
self._insar.swathAzimuthOffsetGeometricalReference.append(
offsetReference[1])
self._insar.swathRangeOffsetGeometricalSecondary.append(
offsetSecondary[0])
self._insar.swathAzimuthOffsetGeometricalSecondary.append(
offsetSecondary[1])
if self.swathOffsetMatching:
self._insar.swathRangeOffsetMatchingReference.append(
offsetReference[2])
self._insar.swathAzimuthOffsetMatchingReference.append(
offsetReference[3])
#self._insar.swathRangeOffsetMatchingSecondary.append(offsetSecondary[2])
#self._insar.swathAzimuthOffsetMatchingSecondary.append(offsetSecondary[3])
os.chdir('../../')
catalog.printToLog(logger, "runSwathOffset")
self._insar.procDoc.addAllFromCatalog(catalog)
interferogram + '.xml')
if not os.path.isfile(amplitude):
os.symlink(os.path.join('../', swathDir, amplitude), amplitude)
shutil.copy2(os.path.join('../', swathDir, amplitude + '.vrt'),
amplitude + '.vrt')
shutil.copy2(os.path.join('../', swathDir, amplitude + '.xml'),
amplitude + '.xml')
os.chdir('../../')
else:
#compute swath offset using reference stack
#geometrical offset is enough now
offsetReferenceStack = swathOffset(trackReferenceStack.frames[i],
dateReferenceStack + '.slc',
'swath_offset_' +
dateReferenceStack + '.txt',
crossCorrelation=False,
numberOfAzimuthLooks=10)
#we can faithfully make it integer.
#this can also reduce the error due to floating point computation
rangeOffsets = [float(round(x)) for x in offsetReferenceStack[0]]
azimuthOffsets = [float(round(x)) for x in offsetReferenceStack[1]]
#list of input files
inputInterferograms = []
inputAmplitudes = []
for j, swathNumber in enumerate(range(swaths[0], swaths[-1] + 1)):
swathDir = 's{}'.format(swathNumber)
inputInterferograms.append(
os.path.join('../', swathDir, interferogram))
inputAmplitudes.append(os.path.join('../', swathDir,