55 lines
2.0 KiB
Python
55 lines
2.0 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.runFrameOffset import frameOffset
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logger = logging.getLogger('isce.alos2burstinsar.runFrameOffset')
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def runFrameOffset(self):
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'''estimate frame 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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masterTrack = self._insar.loadTrack(master=True)
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slaveTrack = self._insar.loadTrack(master=False)
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mosaicDir = 'insar'
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os.makedirs(mosaicDir, exist_ok=True)
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os.chdir(mosaicDir)
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if len(masterTrack.frames) > 1:
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#here we use master amplitude image mosaicked from extracted bursts.
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matchingMode=1
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#compute swath offset
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offsetMaster = frameOffset(masterTrack, os.path.join(self._insar.masterBurstPrefix, self._insar.masterMagnitude), self._insar.masterFrameOffset,
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crossCorrelation=self.frameOffsetMatching, matchingMode=matchingMode)
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#only use geometrical offset for slave
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offsetSlave = frameOffset(slaveTrack, os.path.join(self._insar.slaveBurstPrefix, self._insar.slaveMagnitude), self._insar.slaveFrameOffset,
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crossCorrelation=False, matchingMode=matchingMode)
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self._insar.frameRangeOffsetGeometricalMaster = offsetMaster[0]
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self._insar.frameAzimuthOffsetGeometricalMaster = offsetMaster[1]
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self._insar.frameRangeOffsetGeometricalSlave = offsetSlave[0]
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self._insar.frameAzimuthOffsetGeometricalSlave = offsetSlave[1]
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if self.frameOffsetMatching:
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self._insar.frameRangeOffsetMatchingMaster = offsetMaster[2]
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self._insar.frameAzimuthOffsetMatchingMaster = offsetMaster[3]
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#self._insar.frameRangeOffsetMatchingSlave = offsetSlave[2]
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#self._insar.frameAzimuthOffsetMatchingSlave = offsetSlave[3]
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os.chdir('../')
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catalog.printToLog(logger, "runFrameOffset")
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self._insar.procDoc.addAllFromCatalog(catalog)
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