ISCE_INSAR/components/isceobj/InsarProc/runRgoffset_ampcor.py

147 lines
5.4 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: Pietro Milillo
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Comment: Adapted from InsarProc/runRgoffsetprf.py
import logging
import isceobj
import mroipac
from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
from mroipac.ampcor.Ampcor import Ampcor
from isceobj import Constants as CN
logger = logging.getLogger('isce.insar.runRgoffset')
def runRgoffset(self):
numLocationAcross = self._insar.getNumberLocationAcrossPrf()
numLocationDown = self._insar.getNumberLocationDownPrf()
firstAc = self._insar.getFirstSampleAcrossPrf()
firstDown = self._insar.getFirstSampleDownPrf()
#Fake amplitude image as a complex image
imageAmp = self._insar.getResampAmpImage()
objAmp = isceobj.createImage()
objAmp.setAccessMode('read')
objAmp.dataType = 'CFLOAT'
objAmp.bands = 1
objAmp.setFilename(imageAmp.filename)
objAmp.setWidth(imageAmp.width)
objAmp.createImage()
widthAmp = objAmp.getWidth()
intLength = objAmp.getLength()
imageSim = self._insar.getSimAmpImage()
objSim = isceobj.createImage()
objSim.setFilename(imageSim.filename)
objSim.setWidth(imageSim.width)
objSim.dataType='FLOAT'
objSim.setAccessMode('read')
objSim.createImage()
simWidth = imageSim.getWidth()
simLength = imageSim.getLength()
fs1 = self._insar.getReferenceFrame().getInstrument().getRangeSamplingRate() ##check
delRg1 = CN.SPEED_OF_LIGHT / (2*fs1) ## if it's correct
objAmpcor = Ampcor(name='insarapp_intsim_ampcor')
objAmpcor.configure()
objAmpcor.setImageDataType1('real')
objAmpcor.setImageDataType2('mag')
####Adjust first and last values using window sizes
xMargin = 2*objAmpcor.searchWindowSizeWidth + objAmpcor.windowSizeWidth
yMargin = 2*objAmpcor.searchWindowSizeHeight + objAmpcor.windowSizeHeight
if not objAmpcor.acrossGrossOffset:
coarseAcross = 0
else:
coarseAcross = objAmpcor.acrossGrossOffset
if not objAmpcor.downGrossOffset:
coarseDown = 0
else:
coarseDown = objAmpcor.downGrossOffset
offAc = max(firstAc, -coarseAcross) + xMargin + 1
offDn = max(firstDown, -coarseDown) + yMargin + 1
lastAc = int(min(widthAmp, simWidth-offAc) - xMargin -1)
lastDn = int(min(intLength, simLength-offDn) - yMargin -1)
if not objAmpcor.firstSampleAcross:
objAmpcor.setFirstSampleAcross(offAc)
if not objAmpcor.lastSampleAcross:
objAmpcor.setLastSampleAcross(lastAc)
if not objAmpcor.numberLocationAcross:
objAmpcor.setNumberLocationAcross(numLocationAcross)
if not objAmpcor.firstSampleDown:
objAmpcor.setFirstSampleDown(offDn)
if not objAmpcor.lastSampleDown:
objAmpcor.setLastSampleDown(lastDn)
if not objAmpcor.numberLocationDown:
objAmpcor.setNumberLocationDown(numLocationDown)
#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
self._stdWriter.setFileTag("rgoffset", "log")
self._stdWriter.setFileTag("rgoffset", "err")
self._stdWriter.setFileTag("rgoffset", "out")
objAmpcor.setStdWriter(self._stdWriter)
prf = self._insar.getReferenceFrame().getInstrument().getPulseRepetitionFrequency()
objAmpcor.setFirstPRF(prf)
objAmpcor.setSecondPRF(prf)
if not objAmpcor.acrossGrossOffset:
objAmpcor.setAcrossGrossOffset(coarseAcross)
if not objAmpcor.downGrossOffset:
objAmpcor.setDownGrossOffset(coarseDown)
objAmpcor.setFirstRangeSpacing(delRg1)
objAmpcor.setSecondRangeSpacing(delRg1)
objAmpcor.ampcor(objSim,objAmp)
# Record the inputs and outputs
from isceobj.Catalog import recordInputsAndOutputs
recordInputsAndOutputs(self._insar.procDoc, objAmpcor, "runRgoffset_ampcor", \
logger, "runRgoffset_ampcor")
self._insar.setOffsetField(objAmpcor.getOffsetField())
self._insar.setRefinedOffsetField(objAmpcor.getOffsetField())
objAmp.finalizeImage()
objSim.finalizeImage()