73 lines
3.0 KiB
Python
73 lines
3.0 KiB
Python
#
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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 isceobj
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from isceobj.Alos2Proc.runSwathOffset import swathOffset
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logger = logging.getLogger('isce.alos2burstinsar.runSwathOffset')
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def runSwathOffset(self):
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'''estimate swath offsets.
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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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referenceTrack = self._insar.loadTrack(reference=True)
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secondaryTrack = self._insar.loadTrack(reference=False)
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for i, frameNumber in enumerate(self._insar.referenceFrames):
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frameDir = 'f{}_{}'.format(i+1, frameNumber)
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os.chdir(frameDir)
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mosaicDir = 'mosaic'
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os.makedirs(mosaicDir, exist_ok=True)
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os.chdir(mosaicDir)
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if self._insar.endingSwath-self._insar.startingSwath+1 == 1:
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os.chdir('../../')
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continue
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#compute swath offset
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offsetReference = swathOffset(referenceTrack.frames[i], os.path.join(self._insar.referenceBurstPrefix, self._insar.referenceMagnitude), self._insar.referenceSwathOffset,
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crossCorrelation=self.swathOffsetMatching, numberOfAzimuthLooks=1)
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#only use geometrical offset for secondary
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offsetSecondary = swathOffset(secondaryTrack.frames[i], os.path.join(self._insar.secondaryBurstPrefix, self._insar.secondaryMagnitude), self._insar.secondarySwathOffset,
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crossCorrelation=False, numberOfAzimuthLooks=1)
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#initialization
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if i == 0:
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self._insar.swathRangeOffsetGeometricalReference = []
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self._insar.swathAzimuthOffsetGeometricalReference = []
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self._insar.swathRangeOffsetGeometricalSecondary = []
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self._insar.swathAzimuthOffsetGeometricalSecondary = []
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if self.swathOffsetMatching:
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self._insar.swathRangeOffsetMatchingReference = []
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self._insar.swathAzimuthOffsetMatchingReference = []
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#self._insar.swathRangeOffsetMatchingSecondary = []
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#self._insar.swathAzimuthOffsetMatchingSecondary = []
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#append list directly, as the API support 2-d list
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self._insar.swathRangeOffsetGeometricalReference.append(offsetReference[0])
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self._insar.swathAzimuthOffsetGeometricalReference.append(offsetReference[1])
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self._insar.swathRangeOffsetGeometricalSecondary.append(offsetSecondary[0])
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self._insar.swathAzimuthOffsetGeometricalSecondary.append(offsetSecondary[1])
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if self.swathOffsetMatching:
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self._insar.swathRangeOffsetMatchingReference.append(offsetReference[2])
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self._insar.swathAzimuthOffsetMatchingReference.append(offsetReference[3])
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#self._insar.swathRangeOffsetMatchingSecondary.append(offsetSecondary[2])
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#self._insar.swathAzimuthOffsetMatchingSecondary.append(offsetSecondary[3])
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os.chdir('../../')
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catalog.printToLog(logger, "runSwathOffset")
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self._insar.procDoc.addAllFromCatalog(catalog)
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