132 lines
4.7 KiB
Python
132 lines
4.7 KiB
Python
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
# Copyright 2012 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.
|
|
#
|
|
# Author: Brett George
|
|
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
|
|
|
import logging
|
|
import stdproc
|
|
import isceobj
|
|
from isceobj import Constants as CN
|
|
from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
|
|
|
|
logger = logging.getLogger('isce.insar.runResamp')
|
|
|
|
def runResamp(self):
|
|
logger.info("Resampling interferogram")
|
|
|
|
imageSlc1 = self.insar.referenceSlcImage
|
|
imageSlc2 = self.insar.secondarySlcImage
|
|
|
|
|
|
resampName = self.insar.resampImageName
|
|
resampAmp = resampName + '.amp'
|
|
resampInt = resampName + '.int'
|
|
|
|
azLooks = self.insar.numberAzimuthLooks
|
|
rLooks = self.insar.numberRangeLooks
|
|
|
|
objSlc1 = isceobj.createSlcImage()
|
|
IU.copyAttributes(imageSlc1, objSlc1)
|
|
objSlc1.setAccessMode('read')
|
|
objSlc1.createImage()
|
|
|
|
objSlc2 = isceobj.createSlcImage()
|
|
IU.copyAttributes(imageSlc2, objSlc2)
|
|
objSlc2.setAccessMode('read')
|
|
objSlc2.createImage()
|
|
|
|
#slcWidth = max(imageSlc1.getWidth(), imageSlc2.getWidth())
|
|
slcWidth = imageSlc1.getWidth()
|
|
intWidth = int(slcWidth / rLooks)
|
|
dataType = 'CFLOAT'
|
|
|
|
objInt = isceobj.createIntImage()
|
|
objInt.setFilename(resampInt)
|
|
objInt.setWidth(intWidth)
|
|
imageInt = isceobj.createIntImage()
|
|
IU.copyAttributes(objInt, imageInt)
|
|
|
|
objInt.setAccessMode('write')
|
|
|
|
objInt.createImage()
|
|
objAmp = isceobj.createAmpImage()
|
|
objAmp.setFilename(resampAmp)
|
|
objAmp.setWidth(intWidth)
|
|
imageAmp = isceobj.createAmpImage()
|
|
IU.copyAttributes(objAmp, imageAmp)
|
|
|
|
objAmp.setAccessMode('write')
|
|
objAmp.createImage()
|
|
|
|
self.insar.resampIntImage = imageInt
|
|
self.insar.resampAmpImage = imageAmp
|
|
|
|
|
|
instrument = self.insar.referenceFrame.getInstrument()
|
|
|
|
offsetField = self.insar.refinedOffsetField
|
|
|
|
lines = self.insar.numberResampLines
|
|
|
|
####Modified to deal with secondary PRF correctly
|
|
dopplerCoeff = self.insar.dopplerCentroid.getDopplerCoefficients(inHz=True)
|
|
for num in range(len(dopplerCoeff)):
|
|
dopplerCoeff[num] /= self.insar.secondaryFrame.getInstrument().getPulseRepetitionFrequency()
|
|
|
|
numFitCoeff = self.insar.numberFitCoefficients
|
|
|
|
# pixelSpacing = self.insar.slantRangePixelSpacing
|
|
fS = self._insar.getSecondaryFrame().getInstrument().getRangeSamplingRate()
|
|
pixelSpacing = CN.SPEED_OF_LIGHT/(2.*fS)
|
|
|
|
objResamp = stdproc.createResamp()
|
|
objResamp.setNumberLines(lines)
|
|
objResamp.setNumberFitCoefficients(numFitCoeff)
|
|
objResamp.setNumberAzimuthLooks(azLooks)
|
|
objResamp.setNumberRangeLooks(rLooks)
|
|
objResamp.setSlantRangePixelSpacing(pixelSpacing)
|
|
objResamp.setDopplerCentroidCoefficients(dopplerCoeff)
|
|
|
|
objResamp.wireInputPort(name='offsets', object=offsetField)
|
|
objResamp.wireInputPort(name='instrument', object=instrument)
|
|
#set the tag used in the outfile. each message is precided by this tag
|
|
#is the writer is not of "file" type the call has no effect
|
|
objResamp.stdWriter = self._writer_set_file_tags("resamp", "log", "err",
|
|
"out")
|
|
objResamp.resamp(objSlc1, objSlc2, objInt, objAmp)
|
|
# Record the inputs and outputs
|
|
from isceobj.Catalog import recordInputsAndOutputs
|
|
recordInputsAndOutputs(self._insar.procDoc, objResamp, "runResamp",
|
|
logger, "runResamp")
|
|
|
|
objInt.finalizeImage()
|
|
objAmp.finalizeImage()
|
|
objSlc1.finalizeImage()
|
|
objSlc2.finalizeImage()
|
|
|
|
return None
|