Added iterative multiplication for interferogram flattening
vbrancat
parent
4631aff062
commit
44cdd7dbf1
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@ -56,19 +56,14 @@ def compute_FlatEarth(self,width,length):
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# Open the interferogram
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ifgFilename= os.path.join(self.insar.ifgDirname, self.insar.ifgFilename)
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ds = gdal.Open(ifgFilename+'.full',gdal.GA_ReadOnly)
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intf = ds.GetRasterBand(1).ReadAsArray()
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ds = None
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intf = np.memmap(ifgFilename+'.full',dtype=np.complex64,mode='r+',shape=(length,width))
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intf *= np.exp(cJ*fact*rng2)
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for ll in range(length):
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intf[ll,:] *= np.exp(cJ*fact*rng2[ll,:])
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del rng2
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del intf
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# Write the interferogram
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intf.tofile(ifgFilename+'.full')
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write_xml(ifgFilename+'.full',width,length,1,"CFLOAT","BIL")
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intf=None
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return
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@ -203,7 +198,7 @@ def generateIgram(self,imageSlc1, imageSlc2, resampName, azLooks, rgLooks):
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multilook(resampInt+'.full', outname=resampInt, alks=azLooks, rlks=rgLooks) #takeLooks(objAmp,azLooks,rgLooks)
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multilook(resampAmp+'.full', outname=resampAmp, alks=azLooks, rlks=rgLooks) #takeLooks(objInt,azLooks,rgLooks)
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os.system('rm ' + resampInt+'.full* ' + resampAmp + '.full* ')
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#os.system('rm ' + resampInt+'.full* ' + resampAmp + '.full* ')
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# End of modification
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for obj in [objInt, objAmp, objSlc1, objSlc2]:
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obj.finalizeImage()
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@ -305,15 +300,15 @@ def runFullBandInterferogram(self):
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###Compute coherence
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#cohname = os.path.join(self.insar.ifgDirname, self.insar.correlationFilename)
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#computeCoherence(masterSlc, slaveSlc, cohname+'.full')
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#multilook(cohname+'.full', outname=cohname, alks=azLooks, rlks=rgLooks)
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cohname = os.path.join(self.insar.ifgDirname, self.insar.correlationFilename)
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computeCoherence(masterSlc, slaveSlc, cohname+'.full')
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multilook(cohname+'.full', outname=cohname, alks=azLooks, rlks=rgLooks)
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###Multilook relevant geometry products
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#for fname in [self.insar.latFilename, self.insar.lonFilename, self.insar.losFilename]:
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# inname = os.path.join(self.insar.geometryDirname, fname)
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# multilook(inname + '.full', outname= inname, alks=azLooks, rlks=rgLooks)
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##Multilook relevant geometry products
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for fname in [self.insar.latFilename, self.insar.lonFilename, self.insar.losFilename]:
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inname = os.path.join(self.insar.geometryDirname, fname)
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multilook(inname + '.full', outname= inname, alks=azLooks, rlks=rgLooks)
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def runInterferogram(self, igramSpectrum = "full"):
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@ -14,7 +14,8 @@ import shelve
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logger = logging.getLogger('isce.insar.runResampleSubbandSlc')
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def resampleSlc(masterFrame, slaveFrame, imageSlc2, radarWavelength, coregDir,
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# Modified by V. Brancato 10.14.2019 added "self" as input parameter of resampleSLC
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def resampleSlc(self,masterFrame, slaveFrame, imageSlc2, radarWavelength, coregDir,
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azoffname, rgoffname, azpoly = None, rgpoly = None, misreg=False):
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logger.info("Resampling slave SLC")
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@ -56,8 +57,15 @@ def resampleSlc(masterFrame, slaveFrame, imageSlc2, radarWavelength, coregDir,
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width = rngImg.getWidth()
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length = rngImg.getLength()
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# Modified by V. Brancato on 10.14.2019 (if Rubbersheeting in range is turned on, flatten the interferogram during cross-correlation)
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if not self.doRubbersheetingRange:
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print('Rubber sheeting in range is turned off, flattening the interferogram during resampling')
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flatten = True
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else:
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print('Rubber sheeting in range is turned on, flattening the interferogram during interferogram formation')
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flatten=False
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# end of Modification
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rObj.flatten = flatten
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rObj.outputWidth = width
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rObj.outputLines = length
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@ -105,15 +113,25 @@ def runResampleSubbandSlc(self, misreg=False):
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masterFrame = self._insar.loadProduct( self._insar.masterSlcCropProduct)
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slaveFrame = self._insar.loadProduct( self._insar.slaveSlcCropProduct)
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if self.doRubbersheeting:
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print('Using rubber sheeted offsets for resampling sub-bands')
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# Modified by V. Brancato 10.14.2019
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if self.doRubbersheetingAzimuth:
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print('Using rubber in azimuth sheeted offsets for resampling sub-bands')
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azoffname = os.path.join( self.insar.offsetsDirname, self.insar.azimuthRubbersheetFilename)
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else:
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print('Using refined offsets for resampling sub-bands')
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azoffname = os.path.join( self.insar.offsetsDirname, self.insar.azimuthOffsetFilename)
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if self.doRubbersheetingRange:
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print('Using rubber in range sheeted offsets for resampling sub-bands')
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rgoffname = os.path.join( self.insar.offsetsDirname, self.insar.rangeRubbersheetFilename)
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else:
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print('Using refined offsets for resampling sub-bands')
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rgoffname = os.path.join( self.insar.offsetsDirname, self.insar.rangeOffsetFilename)
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# ****************** End of Modification
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# rgoffname = os.path.join( self.insar.offsetsDirname, self.insar.rangeOffsetFilename)
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azpoly = self.insar.loadProduct( os.path.join(self.insar.misregDirname, self.insar.misregFilename) + '_az.xml')
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rgpoly = self.insar.loadProduct( os.path.join(self.insar.misregDirname, self.insar.misregFilename) + '_rg.xml')
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@ -124,7 +142,7 @@ def runResampleSubbandSlc(self, misreg=False):
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wvlL = self.insar.lowBandRadarWavelength
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coregDir = os.path.join(self.insar.coregDirname, self.insar.lowBandSlcDirname)
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lowbandCoregFilename = resampleSlc(masterFrame, slaveFrame, imageSlc2, wvlL, coregDir,
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lowbandCoregFilename = resampleSlc(self,masterFrame, slaveFrame, imageSlc2, wvlL, coregDir,
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azoffname, rgoffname, azpoly=azpoly, rgpoly=rgpoly,misreg=False)
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imageSlc2 = os.path.join(self.insar.splitSpectrumDirname, self.insar.highBandSlcDirname,
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@ -132,7 +150,7 @@ def runResampleSubbandSlc(self, misreg=False):
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wvlH = self.insar.highBandRadarWavelength
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coregDir = os.path.join(self.insar.coregDirname, self.insar.highBandSlcDirname)
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highbandCoregFilename = resampleSlc(masterFrame, slaveFrame, imageSlc2, wvlH, coregDir,
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highbandCoregFilename = resampleSlc(self,masterFrame, slaveFrame, imageSlc2, wvlH, coregDir,
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azoffname, rgoffname, azpoly=azpoly, rgpoly=rgpoly, misreg=False)
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self.insar.lowBandSlc2 = lowbandCoregFilename
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