if not os.path.isfile(os.path.basename(height)):
heightLink = True
os.symlink(height, os.path.basename(height))
os.symlink(height+'.vrt', os.path.basename(height)+'.vrt')
os.symlink(height+'.xml', os.path.basename(height)+'.xml')
else:
heightLink = False
track = loadTrack(dateParDir, date)
if useGPU and hasGPU():
geo2RdrGPU(track, numberRangeLooks1, numberAzimuthLooks1,
latitude, longitude, height, rangeOffset, azimuthOffset)
else:
geo2RdrCPU(track, numberRangeLooks1, numberAzimuthLooks1,
latitude, longitude, height, rangeOffset, azimuthOffset)
if latitudeLink == True:
os.remove(os.path.basename(latitude))
os.remove(os.path.basename(latitude)+'.vrt')
os.remove(os.path.basename(latitude)+'.xml')
if longitudeLink == True:
os.remove(os.path.basename(longitude))
os.remove(os.path.basename(longitude)+'.vrt')
os.remove(os.path.basename(longitude)+'.xml')
if heightLink == True:
os.remove(os.path.basename(height))
def runCoregGeom(self):
'''compute geometric offset
'''
catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
self.updateParamemetersFromUser()
masterTrack = self._insar.loadTrack(master=True)
slaveTrack = self._insar.loadTrack(master=False)
demFile = os.path.abspath(self._insar.dem)
wbdFile = os.path.abspath(self._insar.wbd)
###############################################################################
for i, frameNumber in enumerate(self._insar.masterFrames):
frameDir = 'f{}_{}'.format(i + 1, frameNumber)
os.chdir(frameDir)
for j, swathNumber in enumerate(
range(self._insar.startingSwath, self._insar.endingSwath + 1)):
swathDir = 's{}'.format(swathNumber)
os.chdir(swathDir)
print('processing frame {}, swath {}'.format(
frameNumber, swathNumber))
masterSwath = masterTrack.frames[i].swaths[j]
slaveSwath = slaveTrack.frames[i].swaths[j]
##################################################
# compute geometric offsets
##################################################
#set up track parameters just for computing offsets
#ALL track parameters are listed here
#master
#masterTrack.passDirection =
#masterTrack.pointingDirection =
#masterTrack.operationMode =
#masterTrack.radarWavelength =
masterTrack.numberOfSamples = masterSwath.numberOfSamples
masterTrack.numberOfLines = masterSwath.numberOfLines
masterTrack.startingRange = masterSwath.startingRange
#masterTrack.rangeSamplingRate =
masterTrack.rangePixelSize = masterSwath.rangePixelSize
masterTrack.sensingStart = masterSwath.sensingStart
#masterTrack.prf =
#masterTrack.azimuthPixelSize =
masterTrack.azimuthLineInterval = masterSwath.azimuthLineInterval
#masterTrack.dopplerVsPixel =
#masterTrack.frames =
#masterTrack.orbit =
#slave
slaveTrack.numberOfSamples = slaveSwath.numberOfSamples
slaveTrack.numberOfLines = slaveSwath.numberOfLines
slaveTrack.startingRange = slaveSwath.startingRange
slaveTrack.rangePixelSize = slaveSwath.rangePixelSize
slaveTrack.sensingStart = slaveSwath.sensingStart
slaveTrack.azimuthLineInterval = slaveSwath.azimuthLineInterval
if self.useGPU and self._insar.hasGPU():
topoGPU(masterTrack, 1, 1, demFile, self._insar.latitude,
self._insar.longitude, self._insar.height,
self._insar.los)
geo2RdrGPU(slaveTrack, 1, 1, self._insar.latitude,
self._insar.longitude, self._insar.height,
self._insar.rangeOffset, self._insar.azimuthOffset)
else:
topoCPU(masterTrack, 1, 1, demFile, self._insar.latitude,
self._insar.longitude, self._insar.height,
self._insar.los)
geo2RdrCPU(slaveTrack, 1, 1, self._insar.latitude,
self._insar.longitude, self._insar.height,
self._insar.rangeOffset, self._insar.azimuthOffset)
waterBodyRadar(self._insar.latitude, self._insar.longitude,
wbdFile, self._insar.wbdOut)
#clear up, leaving only range/azimuth offsets
os.remove(self._insar.latitude)
os.remove(self._insar.latitude + '.vrt')
os.remove(self._insar.latitude + '.xml')
os.remove(self._insar.longitude)
os.remove(self._insar.longitude + '.vrt')
os.remove(self._insar.longitude + '.xml')
os.remove(self._insar.height)
os.remove(self._insar.height + '.vrt')
os.remove(self._insar.height + '.xml')
os.remove(self._insar.los)
os.remove(self._insar.los + '.vrt')
os.remove(self._insar.los + '.xml')
##################################################
# resample bursts
##################################################
slaveBurstResampledDir = self._insar.slaveBurstPrefix + '_1_coreg_geom'
#interferogramDir = self._insar.masterBurstPrefix + '-' + self._insar.slaveBurstPrefix + '_coreg_geom'
interferogramDir = 'burst_interf_1_coreg_geom'
interferogramPrefix = self._insar.masterBurstPrefix + '-' + self._insar.slaveBurstPrefix
resampleBursts(masterSwath,
slaveSwath,
self._insar.masterBurstPrefix,
self._insar.slaveBurstPrefix,
slaveBurstResampledDir,
interferogramDir,
self._insar.masterBurstPrefix,
self._insar.slaveBurstPrefix,
self._insar.slaveBurstPrefix,
interferogramPrefix,
self._insar.rangeOffset,
self._insar.azimuthOffset,
rangeOffsetResidual=0,
azimuthOffsetResidual=0)
##################################################
# mosaic burst amplitudes and interferograms
##################################################
os.chdir(slaveBurstResampledDir)
mosaicBurstAmplitude(masterSwath,
self._insar.slaveBurstPrefix,
self._insar.slaveMagnitude,
numberOfLooksThreshold=4)
os.chdir('../')
#the interferogram is not good enough, do not mosaic
mosaic = False
if mosaic:
os.chdir(interferogramDir)
mosaicBurstInterferogram(masterSwath,
interferogramPrefix,
self._insar.interferogram,
numberOfLooksThreshold=4)
os.chdir('../')
os.chdir('../')
os.chdir('../')
###############################################################################
catalog.printToLog(logger, "runCoregGeom")
self._insar.procDoc.addAllFromCatalog(catalog)
def runSlcMatch(self):
'''match a pair of SLCs
'''
if not self.doDenseOffset:
return
if not ((self._insar.modeCombination == 0) or (self._insar.modeCombination == 1)):
return
catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
self.updateParamemetersFromUser()
demFile = os.path.abspath(self._insar.dem)
wbdFile = os.path.abspath(self._insar.wbd)
denseOffsetDir = 'dense_offset'
os.makedirs(denseOffsetDir, exist_ok=True)
os.chdir(denseOffsetDir)
masterTrack = self._insar.loadProduct(self._insar.masterTrackParameter)
slaveTrack = self._insar.loadProduct(self._insar.slaveTrackParameter)
#########################################################################################
##################################################
# compute geometric offsets
##################################################
if self.useGPU and self._insar.hasGPU():
topoGPU(masterTrack, 1, 1, demFile,
'lat.rdr', 'lon.rdr', 'hgt.rdr', 'los.rdr')
geo2RdrGPU(slaveTrack, 1, 1,
'lat.rdr', 'lon.rdr', 'hgt.rdr', 'rg.off', 'az.off')
else:
topoCPU(masterTrack, 1, 1, demFile,
'lat.rdr', 'lon.rdr', 'hgt.rdr', 'los.rdr')
geo2RdrCPU(slaveTrack, 1, 1,
'lat.rdr', 'lon.rdr', 'hgt.rdr', 'rg.off', 'az.off')
##################################################
# resample SLC
##################################################
#SlaveSlcResampled = os.path.splitext(self._insar.slaveSlc)[0]+'_resamp'+os.path.splitext(self._insar.slaveSlc)[1]
SlaveSlcResampled = self._insar.slaveSlcCoregistered
rangeOffsets2Frac = 0.0
azimuthOffsets2Frac = 0.0
resamp(self._insar.slaveSlc,
SlaveSlcResampled,
'rg.off',
'az.off',
masterTrack.numberOfSamples, masterTrack.numberOfLines,
slaveTrack.prf,
slaveTrack.dopplerVsPixel,
[rangeOffsets2Frac, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
[azimuthOffsets2Frac, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0])
create_xml(SlaveSlcResampled, masterTrack.numberOfSamples, masterTrack.numberOfLines, 'slc')
if self.estimateResidualOffset:
numberOfOffsets = 800
rangeStep = 50
length = masterTrack.numberOfLines
width = masterTrack.numberOfSamples
waterBodyRadar('lat.rdr', 'lon.rdr', wbdFile, 'wbd.rdr')
wbd=np.memmap('wbd.rdr', dtype=np.int8, mode='r', shape=(length, width))
azimuthStep = int(length/width*rangeStep+0.5)
landRatio = np.sum(wbd[0:length:azimuthStep,0:width:rangeStep]!=-1)/(int(length/azimuthStep)*int(width/rangeStep))
del wbd
if (landRatio <= 0.00125):
print('\n\nWARNING: land area too small for estimating residual slc offsets')
print('do not estimate residual offsets\n\n')
catalog.addItem('warning message', 'land area too small for estimating residual slc offsets', 'runSlcMatch')
else:
numberOfOffsets /= landRatio
#we use equal number of offsets in range and azimuth here
numberOfOffsetsRange = int(np.sqrt(numberOfOffsets)+0.5)
numberOfOffsetsAzimuth = int(np.sqrt(numberOfOffsets)+0.5)
if numberOfOffsetsRange > int(width/2):
numberOfOffsetsRange = int(width/2)
if numberOfOffsetsAzimuth > int(length/2):
numberOfOffsetsAzimuth = int(length/2)
if numberOfOffsetsRange < 10:
numberOfOffsetsRange = 10
if numberOfOffsetsAzimuth < 10:
numberOfOffsetsAzimuth = 10
##########################################
#2. match using ampcor
##########################################
ampcor = Ampcor(name='insarapp_slcs_ampcor')
ampcor.configure()
mSLC = isceobj.createSlcImage()
mSLC.load(self._insar.masterSlc+'.xml')
mSLC.setAccessMode('read')
mSLC.createImage()
sSLC = isceobj.createSlcImage()
sSLC.load(SlaveSlcResampled+'.xml')
sSLC.setAccessMode('read')
sSLC.createImage()
ampcor.setImageDataType1('complex')
ampcor.setImageDataType2('complex')
ampcor.setMasterSlcImage(mSLC)
ampcor.setSlaveSlcImage(sSLC)
#MATCH REGION
#compute an offset at image center to use
rgoff = 0.0
azoff = 0.0
#it seems that we cannot use 0, haven't look into the problem
if rgoff == 0:
rgoff = 1
if azoff == 0:
azoff = 1
firstSample = 1
if rgoff < 0:
firstSample = int(35 - rgoff)
firstLine = 1
if azoff < 0:
firstLine = int(35 - azoff)
ampcor.setAcrossGrossOffset(rgoff)
ampcor.setDownGrossOffset(azoff)
ampcor.setFirstSampleAcross(firstSample)
ampcor.setLastSampleAcross(mSLC.width)
ampcor.setNumberLocationAcross(numberOfOffsetsRange)
ampcor.setFirstSampleDown(firstLine)
ampcor.setLastSampleDown(mSLC.length)
ampcor.setNumberLocationDown(numberOfOffsetsAzimuth)
#MATCH PARAMETERS
#full-aperture mode
if (self._insar.modeCombination == 21) or \
(self._insar.modeCombination == 22) or \
(self._insar.modeCombination == 31) or \
(self._insar.modeCombination == 32):
ampcor.setWindowSizeWidth(64)
ampcor.setWindowSizeHeight(512)
#note this is the half width/length of search area, number of resulting correlation samples: 32*2+1
ampcor.setSearchWindowSizeWidth(32)
ampcor.setSearchWindowSizeHeight(32)
#triggering full-aperture mode matching
ampcor.setWinsizeFilt(8)
ampcor.setOversamplingFactorFilt(64)
#regular mode
else:
ampcor.setWindowSizeWidth(64)
ampcor.setWindowSizeHeight(64)
ampcor.setSearchWindowSizeWidth(16)
ampcor.setSearchWindowSizeHeight(16)
#REST OF THE STUFF
ampcor.setAcrossLooks(1)
ampcor.setDownLooks(1)
ampcor.setOversamplingFactor(64)
ampcor.setZoomWindowSize(16)
#1. The following not set
#Matching Scale for Sample/Line Directions (-) = 1. 1.
#should add the following in Ampcor.py?
#if not set, in this case, Ampcor.py'value is also 1. 1.
#ampcor.setScaleFactorX(1.)
#ampcor.setScaleFactorY(1.)
#MATCH THRESHOLDS AND DEBUG DATA
#2. The following not set
#in roi_pac the value is set to 0 1
#in isce the value is set to 0.001 1000.0
#SNR and Covariance Thresholds (-) = {s1} {s2}
#should add the following in Ampcor?
#THIS SHOULD BE THE ONLY THING THAT IS DIFFERENT FROM THAT OF ROI_PAC
#ampcor.setThresholdSNR(0)
#ampcor.setThresholdCov(1)
ampcor.setDebugFlag(False)
ampcor.setDisplayFlag(False)
#in summary, only two things not set which are indicated by 'The following not set' above.
#run ampcor
ampcor.ampcor()
offsets = ampcor.getOffsetField()
mSLC.finalizeImage()
sSLC.finalizeImage()
#3. cull offsets
refinedOffsets = cullOffsetsRoipac(offsets, numThreshold=50)
if refinedOffsets == None:
print('\n\nWARNING: too few offsets left for slc residual offset estimation')
print('do not estimate residual offsets\n\n')
catalog.addItem('warning message', 'too few offsets left for slc residual offset estimation', 'runSlcMatch')
else:
rangeOffset, azimuthOffset = meanOffset(refinedOffsets)
os.remove(SlaveSlcResampled)
os.remove(SlaveSlcResampled+'.vrt')
os.remove(SlaveSlcResampled+'.xml')
rangeOffsets2Frac = rangeOffset
azimuthOffsets2Frac = azimuthOffset
resamp(self._insar.slaveSlc,
SlaveSlcResampled,
'rg.off',
'az.off',
masterTrack.numberOfSamples, masterTrack.numberOfLines,
slaveTrack.prf,
slaveTrack.dopplerVsPixel,
[rangeOffsets2Frac, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
[azimuthOffsets2Frac, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0])
create_xml(SlaveSlcResampled, masterTrack.numberOfSamples, masterTrack.numberOfLines, 'slc')
catalog.addItem('number of offsets range', numberOfOffsetsRange, 'runSlcMatch')
catalog.addItem('number of offsets azimuth', numberOfOffsetsAzimuth, 'runSlcMatch')
catalog.addItem('range residual offset after geometric coregistration', rangeOffset, 'runSlcMatch')
catalog.addItem('azimuth residual offset after geometric coregistration', azimuthOffset, 'runSlcMatch')
if self.deleteGeometryFiles:
os.remove('lat.rdr')
os.remove('lat.rdr.vrt')
os.remove('lat.rdr.xml')
os.remove('lon.rdr')
os.remove('lon.rdr.vrt')
os.remove('lon.rdr.xml')
os.remove('hgt.rdr')
os.remove('hgt.rdr.vrt')
os.remove('hgt.rdr.xml')
os.remove('los.rdr')
os.remove('los.rdr.vrt')
os.remove('los.rdr.xml')
# if os.path.isfile('wbd.rdr'):
# os.remove('wbd.rdr')
# os.remove('wbd.rdr.vrt')
# os.remove('wbd.rdr.xml')
#########################################################################################
os.chdir('../')
catalog.printToLog(logger, "runSlcMatch")
self._insar.procDoc.addAllFromCatalog(catalog)