124 lines
5.4 KiB
Python
124 lines
5.4 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/runFormSLC.py
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import logging
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import stdproc
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import isceobj
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from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
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logger = logging.getLogger('isce.isceProc.runFormSLC')
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def runFormSLC(self):
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"""
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Focus raw images.
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"""
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infos = {}
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for attribute in ['patchSize', 'numberValidPulses', 'numberPatches', 'numberAzimuthLooks', 'lookSide']:
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infos[attribute] = getattr(self._isce, attribute)
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peg = self._isce.peg
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dopplerCentroid = self._isce.dopplerCentroid
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stdWriter = self._stdWriter
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v, h = self._isce.vh()
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for sceneid in self._isce.selectedScenes:
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self._isce.slcImages[sceneid] = {}
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self._isce.formSLCs[sceneid] = {}
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for pol in self._isce.selectedPols:
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infos['azShiftPixels'] = self._isce.shifts[sceneid][pol]
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orbit = self._isce.orbits[sceneid][pol]
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frame = self._isce.frames[sceneid][pol]
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rawImage = self._isce.iqImages[sceneid][pol]
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catalog = isceobj.Catalog.createCatalog(self._isce.procDoc.name)
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sid = self._isce.formatname(sceneid, pol)
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slcImage, formSlc = run(rawImage, frame, dopplerCentroid, orbit, peg, v, h, infos, stdWriter, catalog=catalog, sceneid=sid)
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##no need to give outputdir in formslc: extension will be changed from raw to slc
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self._isce.procDoc.addAllFromCatalog(catalog)
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self._isce.formSLCs[sceneid][pol] = formSlc
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self._isce.slcImages[sceneid][pol] = slcImage
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for pol in self._isce.selectedPols:
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formslcs = self._isce.getAllFromPol(pol, self._isce.formSLCs)
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infodict = getinfo(formslcs, sceneid=pol)
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for attribute, value in infodict.items():
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setattr(self._isce, attribute, value)
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def run(rawImage, frame, dopplerCentroid, orbit, peg, velocity, height, infos, stdWriter, catalog=None, sceneid='NO_ID'):
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logger.info("Forming SLC: %s" % sceneid)
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# objRaw = rawImage.copy(access_mode='read')
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objRaw = rawImage.clone()
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objRaw.accessMode = 'read'
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objFormSlc = stdproc.createFormSLC()
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objFormSlc.setBodyFixedVelocity(velocity)
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objFormSlc.setSpacecraftHeight(height)
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objFormSlc.setAzimuthPatchSize(infos['patchSize'])
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objFormSlc.setNumberValidPulses(infos['numberValidPulses'])
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objFormSlc.setNumberPatches(infos['numberPatches'])
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objFormSlc.setNumberRangeBin(frame.numberRangeBins)
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objFormSlc.setLookSide(infos['lookSide'])
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objFormSlc.setShift(infos['azShiftPixels'])
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logger.info("Shift in azimuth: %f pixels" % infos['azShiftPixels'])
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objFormSlc.setNumberAzimuthLooks(infos['numberAzimuthLooks'])
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logger.info("Focusing image %s" % sceneid)
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objFormSlc.stdWriter = stdWriter
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objSlc = objFormSlc(rawImage=objRaw,
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orbit=orbit,
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frame=frame,
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planet=frame.instrument.platform.planet,
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doppler=dopplerCentroid,
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peg=peg)
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imageSlc = isceobj.createSlcImage()
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IU.copyAttributes(objSlc, imageSlc)
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imageSlc.setAccessMode('read')
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objSlc.finalizeImage()
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objRaw.finalizeImage()
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if catalog is not None:
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isceobj.Catalog.recordInputsAndOutputs(catalog, objFormSlc,
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"runFormSLC.%s" % sceneid,
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logger,
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"runFormSLC.%s" % sceneid)
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logger.info('New Width = %d'%(imageSlc.getWidth()))
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return imageSlc, objFormSlc
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def getinfo(formslcs, sceneid='NO_POL'):
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infos = {}
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formSLC1 = formslcs[0]
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numpatches = [ objformslc.numberPatches for objformslc in formslcs ]
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infos['numberPatches'] = min(numpatches)
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infos['is_mocomp'] = int( (formSLC1.azimuthPatchSize - formSLC1.numberValidPulses) / 2 )
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infos['patchSize'] = formSLC1.azimuthPatchSize
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infos['numberValidPulses'] = formSLC1.numberValidPulses
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logger.info('Number of Valid Pulses %s = %d' % (sceneid, formSLC1.numberValidPulses))
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return infos
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