ISCE_INSAR/components/isceobj/IsceProc/runFormSLC.py

124 lines
5.4 KiB
Python
Executable File

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Copyright 2013 California Institute of Technology. ALL RIGHTS RESERVED.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# United States Government Sponsorship acknowledged. This software is subject to
# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
# (No [Export] License Required except when exporting to an embargoed country,
# end user, or in support of a prohibited end use). By downloading this software,
# the user agrees to comply with all applicable U.S. export laws and regulations.
# The user has the responsibility to obtain export licenses, or other export
# authority as may be required before exporting this software to any 'EAR99'
# embargoed foreign country or citizen of those countries.
#
# Authors: Kosal Khun, Marco Lavalle
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Comment: Adapted from InsarProc/runFormSLC.py
import logging
import stdproc
import isceobj
from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
logger = logging.getLogger('isce.isceProc.runFormSLC')
def runFormSLC(self):
"""
Focus raw images.
"""
infos = {}
for attribute in ['patchSize', 'numberValidPulses', 'numberPatches', 'numberAzimuthLooks', 'lookSide']:
infos[attribute] = getattr(self._isce, attribute)
peg = self._isce.peg
dopplerCentroid = self._isce.dopplerCentroid
stdWriter = self._stdWriter
v, h = self._isce.vh()
for sceneid in self._isce.selectedScenes:
self._isce.slcImages[sceneid] = {}
self._isce.formSLCs[sceneid] = {}
for pol in self._isce.selectedPols:
infos['azShiftPixels'] = self._isce.shifts[sceneid][pol]
orbit = self._isce.orbits[sceneid][pol]
frame = self._isce.frames[sceneid][pol]
rawImage = self._isce.iqImages[sceneid][pol]
catalog = isceobj.Catalog.createCatalog(self._isce.procDoc.name)
sid = self._isce.formatname(sceneid, pol)
slcImage, formSlc = run(rawImage, frame, dopplerCentroid, orbit, peg, v, h, infos, stdWriter, catalog=catalog, sceneid=sid)
##no need to give outputdir in formslc: extension will be changed from raw to slc
self._isce.procDoc.addAllFromCatalog(catalog)
self._isce.formSLCs[sceneid][pol] = formSlc
self._isce.slcImages[sceneid][pol] = slcImage
for pol in self._isce.selectedPols:
formslcs = self._isce.getAllFromPol(pol, self._isce.formSLCs)
infodict = getinfo(formslcs, sceneid=pol)
for attribute, value in infodict.items():
setattr(self._isce, attribute, value)
def run(rawImage, frame, dopplerCentroid, orbit, peg, velocity, height, infos, stdWriter, catalog=None, sceneid='NO_ID'):
logger.info("Forming SLC: %s" % sceneid)
# objRaw = rawImage.copy(access_mode='read')
objRaw = rawImage.clone()
objRaw.accessMode = 'read'
objFormSlc = stdproc.createFormSLC()
objFormSlc.setBodyFixedVelocity(velocity)
objFormSlc.setSpacecraftHeight(height)
objFormSlc.setAzimuthPatchSize(infos['patchSize'])
objFormSlc.setNumberValidPulses(infos['numberValidPulses'])
objFormSlc.setNumberPatches(infos['numberPatches'])
objFormSlc.setNumberRangeBin(frame.numberRangeBins)
objFormSlc.setLookSide(infos['lookSide'])
objFormSlc.setShift(infos['azShiftPixels'])
logger.info("Shift in azimuth: %f pixels" % infos['azShiftPixels'])
objFormSlc.setNumberAzimuthLooks(infos['numberAzimuthLooks'])
logger.info("Focusing image %s" % sceneid)
objFormSlc.stdWriter = stdWriter
objSlc = objFormSlc(rawImage=objRaw,
orbit=orbit,
frame=frame,
planet=frame.instrument.platform.planet,
doppler=dopplerCentroid,
peg=peg)
imageSlc = isceobj.createSlcImage()
IU.copyAttributes(objSlc, imageSlc)
imageSlc.setAccessMode('read')
objSlc.finalizeImage()
objRaw.finalizeImage()
if catalog is not None:
isceobj.Catalog.recordInputsAndOutputs(catalog, objFormSlc,
"runFormSLC.%s" % sceneid,
logger,
"runFormSLC.%s" % sceneid)
logger.info('New Width = %d'%(imageSlc.getWidth()))
return imageSlc, objFormSlc
def getinfo(formslcs, sceneid='NO_POL'):
infos = {}
formSLC1 = formslcs[0]
numpatches = [ objformslc.numberPatches for objformslc in formslcs ]
infos['numberPatches'] = min(numpatches)
infos['is_mocomp'] = int( (formSLC1.azimuthPatchSize - formSLC1.numberValidPulses) / 2 )
infos['patchSize'] = formSLC1.azimuthPatchSize
infos['numberValidPulses'] = formSLC1.numberValidPulses
logger.info('Number of Valid Pulses %s = %d' % (sceneid, formSLC1.numberValidPulses))
return infos