103 lines
3.7 KiB
Python
103 lines
3.7 KiB
Python
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2012 California Institute of Technology. ALL RIGHTS RESERVED.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# United States Government Sponsorship acknowledged. This software is subject to
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# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
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# (No [Export] License Required except when exporting to an embargoed country,
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# end user, or in support of a prohibited end use). By downloading this software,
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# the user agrees to comply with all applicable U.S. export laws and regulations.
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# The user has the responsibility to obtain export licenses, or other export
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# authority as may be required before exporting this software to any 'EAR99'
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# embargoed foreign country or citizen of those countries.
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#
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# Author: Brett George
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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import logging
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import operator
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import isceobj
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from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
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from mroipac.correlation.correlation import Correlation
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from isceobj.Util.decorators import use_api
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logger = logging.getLogger('isce.insar.runCoherence')
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## mapping from algorithm method to Correlation instance method name
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CORRELATION_METHOD = {
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'phase_gradient' : operator.methodcaller('calculateEffectiveCorrelation'),
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'cchz_wave' : operator.methodcaller('calculateCorrelation')
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}
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@use_api
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def runCoherence(self, method="phase_gradient"):
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logger.info("Calculating Coherence")
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# Initialize the amplitude
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# resampAmpImage = self.insar.resampAmpImage
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# ampImage = isceobj.createAmpImage()
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# IU.copyAttributes(resampAmpImage, ampImage)
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# ampImage.setAccessMode('read')
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# ampImage.createImage()
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# ampImage = self.insar.getResampOnlyAmp().copy(access_mode='read')
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ampImage = isceobj.createImage()
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ampImage.load( self.insar.getResampOnlyAmp().filename + '.xml')
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ampImage.setAccessMode('READ')
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ampImage.createImage()
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# Initialize the flattened inteferogram
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topoflatIntFilename = self.insar.topophaseFlatFilename
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intImage = isceobj.createImage()
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intImage.load ( self.insar.topophaseFlatFilename + '.xml')
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intImage.setAccessMode('READ')
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intImage.createImage()
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# widthInt = self.insar.resampIntImage.getWidth()
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# intImage.setFilename(topoflatIntFilename)
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# intImage.setWidth(widthInt)
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# intImage.setAccessMode('read')
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# intImage.createImage()
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# Create the coherence image
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cohFilename = topoflatIntFilename.replace('.flat', '.cor')
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cohImage = isceobj.createOffsetImage()
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cohImage.setFilename(cohFilename)
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cohImage.setWidth(intImage.width)
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cohImage.setAccessMode('write')
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cohImage.createImage()
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cor = Correlation()
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cor.configure()
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cor.wireInputPort(name='interferogram', object=intImage)
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cor.wireInputPort(name='amplitude', object=ampImage)
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cor.wireOutputPort(name='correlation', object=cohImage)
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cohImage.finalizeImage()
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intImage.finalizeImage()
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ampImage.finalizeImage()
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cor.calculateCorrelation()
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# try:
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# CORRELATION_METHOD[method](cor)
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# except KeyError:
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# print("Unrecognized correlation method")
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# sys.exit(1)
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# pass
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return None
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