ISCE_INSAR/components/isceobj/InsarProc/runResamp_image.py

102 lines
4.1 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 isceobj
import stdproc
from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
logger = logging.getLogger('isce.insar.runResamp_image')
def runResamp_image(self):
imageSlc = self._insar.getReferenceSlcImage()
widthSlc = max(self._insar.getReferenceSlcImage().getWidth(), self._insar.getSecondarySlcImage().getWidth())
offsetField = self._insar.getRefinedOffsetField()
instrument = self._insar.getReferenceFrame().getInstrument()
dopplerCoeff = self._insar.getDopplerCentroid().getDopplerCoefficients(inHz=False)
pixelSpacing = self._insar.getSlantRangePixelSpacing()
looks = self._insar.getNumberLooks()
lines = self._insar.getNumberResampLines()
numFitCoeff = self._insar.getNumberFitCoefficients()
offsetFilename = self._insar.getOffsetImageName()
offsetAz = 'azimuth' + offsetFilename.capitalize()
offsetRn = 'range' + offsetFilename.capitalize()
widthOffset = int(widthSlc / looks)
imageAz = isceobj.createOffsetImage()
imageAz.setFilename(offsetAz)
imageAz.setWidth(widthOffset)
imageRn = isceobj.createOffsetImage()
imageRn.setFilename(offsetRn)
imageRn.setWidth(widthOffset)
self._insar.setOffsetAzimuthImage(imageAz)
self._insar.setOffsetRangeImage(imageRn)
objAz = isceobj.createOffsetImage()
objRn = isceobj.createOffsetImage()
IU.copyAttributes(imageAz, objAz)
IU.copyAttributes(imageRn, objRn)
objAz.setAccessMode('write')
objAz.createImage()
objRn.setAccessMode('write')
objRn.createImage()
objResamp_image = stdproc.createResamp_image()
objResamp_image.wireInputPort(name='offsets', object=offsetField)
objResamp_image.wireInputPort(name='instrument', object=instrument)
objResamp_image.setSlantRangePixelSpacing(pixelSpacing)
objResamp_image.setDopplerCentroidCoefficients(dopplerCoeff)
objResamp_image.setNumberLooks(looks)
objResamp_image.setNumberLines(lines)
objResamp_image.setNumberRangeBin(widthSlc)
objResamp_image.setNumberFitCoefficients(numFitCoeff)
#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("resamp_image", "log")
self._stdWriter.setFileTag("resamp_image", "err")
self._stdWriter.setFileTag("resamp_image", "out")
objResamp_image.setStdWriter(self._stdWriter)
objResamp_image.resamp_image(objRn, objAz)
# Record the inputs and outputs
from isceobj.Catalog import recordInputsAndOutputs
recordInputsAndOutputs(self._insar.procDoc, objResamp_image, "runResamp_image", \
logger, "runResamp_image")
objRn.finalizeImage()
objAz.finalizeImage()