119 lines
5.3 KiB
Python
119 lines
5.3 KiB
Python
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2013 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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# Authors: Kosal Khun, Marco Lavalle
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Comment: Adapted from InsarProc/runResamp_image.py
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import os
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import logging
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import isceobj
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import stdproc
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from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
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logger = logging.getLogger('isce.isceProc.runResamp_image')
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def runResamp_image(self):
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refPol = self._isce.refPol
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stdWriter = self._stdWriter
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dopplerCentroid = self._isce.dopplerCentroid
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looks = self._isce.numberLooks
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numFitCoeff = self._isce.numberFitCoefficients
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offsetImageName = self._isce.offsetImageName
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pixelSpacing = self._isce.slantRangePixelSpacing
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lines = self._isce.numberResampLines
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for sceneid1, sceneid2 in self._isce.pairsToCoreg:
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pair = (sceneid1, sceneid2)
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imageSlc1 = self._isce.slcImages[sceneid1][refPol]
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frame1 = self._isce.frames[sceneid1][refPol]
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instrument = frame1.getInstrument()
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offsetField = self._isce.refinedOffsetFields[pair] #offsetField is the same for all pols
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imageSlc2 = self._isce.slcImages[sceneid2][refPol]
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catalog = isceobj.Catalog.createCatalog(self._isce.procDoc.name)
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sid = self._isce.formatname(pair)
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offsetFilename = os.path.join(self.getoutputdir(sceneid1, sceneid2), self._isce.formatname(pair, ext=offsetImageName))
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imageAz, imageRn = run(imageSlc1, imageSlc2, offsetField, instrument, dopplerCentroid, looks, lines, numFitCoeff, pixelSpacing, offsetFilename, stdWriter, catalog=catalog, sceneid=sid)
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self._isce.offsetAzimuthImages[pair] = imageAz
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self._isce.offsetRangeImages[pair] = imageRn
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def run(imageSlc1, imageSlc2, offsetField, instrument, dopplerCentroid, looks, lines, numFitCoeff, pixelSpacing, offsetFilename, stdWriter, catalog=None, sceneid='NO_ID'):
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widthSlc = max(imageSlc1.getWidth(), imageSlc2.getWidth())
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dopplerCoeff = dopplerCentroid.getDopplerCoefficients(inHz=False)
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path, filename = os.path.split(offsetFilename)
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offsetAz = os.path.join(path, 'azimuth_' + filename)
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offsetRn = os.path.join(path, 'range_' + filename)
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widthOffset = int(widthSlc / looks)
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imageAz = isceobj.createOffsetImage()
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imageAz.setFilename(offsetAz)
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imageAz.setWidth(widthOffset)
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imageRn = isceobj.createOffsetImage()
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imageRn.setFilename(offsetRn)
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imageRn.setWidth(widthOffset)
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objAz = isceobj.createOffsetImage()
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objRn = isceobj.createOffsetImage()
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IU.copyAttributes(imageAz, objAz)
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IU.copyAttributes(imageRn, objRn)
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objAz.setAccessMode('write')
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objAz.createImage()
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objRn.setAccessMode('write')
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objRn.createImage()
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objResamp_image = stdproc.createResamp_image()
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objResamp_image.wireInputPort(name='offsets', object=offsetField)
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objResamp_image.wireInputPort(name='instrument', object=instrument)
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objResamp_image.setSlantRangePixelSpacing(pixelSpacing)
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objResamp_image.setDopplerCentroidCoefficients(dopplerCoeff)
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objResamp_image.setNumberLooks(looks)
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objResamp_image.setNumberLines(lines)
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objResamp_image.setNumberRangeBin(widthSlc)
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objResamp_image.setNumberFitCoefficients(numFitCoeff)
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#set the tag used in the outfile. each message is precided by this tag
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#is the writer is not of "file" type the call has no effect
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objResamp_image.stdWriter = stdWriter.set_file_tags("resamp_image",
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"log",
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"err",
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"out")
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objResamp_image.resamp_image(objRn, objAz)
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if catalog is not None:
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# Record the inputs and outputs
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isceobj.Catalog.recordInputsAndOutputs(catalog, objResamp_image,
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"runResamp_image.%s" % sceneid,
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logger,
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"runResamp_image.%s" % sceneid)
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objRn.finalizeImage()
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objAz.finalizeImage()
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return imageAz, imageRn
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