42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
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#
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# Author: Cunren Liang
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# Copyright 2015-present, NASA-JPL/Caltech
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#
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import os
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import logging
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import numpy as np
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import isceobj
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from isceobj.Alos2Proc.Alos2ProcPublic import runCmd
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logger = logging.getLogger('isce.alos2insar.runDiffInterferogram')
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def runDiffInterferogram(self):
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'''Extract images.
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'''
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catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
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self.updateParamemetersFromUser()
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masterTrack = self._insar.loadTrack(master=True)
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insarDir = 'insar'
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if not os.path.exists(insarDir):
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os.makedirs(insarDir)
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os.chdir(insarDir)
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rangePixelSize = self._insar.numberRangeLooks1 * masterTrack.rangePixelSize
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radarWavelength = masterTrack.radarWavelength
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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, self._insar.rectRangeOffset, self._insar.differentialInterferogram)
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runCmd(cmd)
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os.chdir('../')
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catalog.printToLog(logger, "runDiffInterferogram")
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self._insar.procDoc.addAllFromCatalog(catalog)
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