ISCE_INSAR/components/isceobj/IsceProc/runResamp.py

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2019-01-16 19:40:08 +00:00
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 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/runResamp.py
import os
import logging
import stdproc
import isceobj
from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
logger = logging.getLogger('isce.isceProc.runResamp')
def runResamp(self):
stdWriter = self._stdWriter
resampName = self._isce.resampImageName
dopplerCentroid = self._isce.dopplerCentroid
numFitCoeff = self._isce.numberFitCoefficients
azLooks = self._isce.numberAzimuthLooks
rgLooks = self._isce.numberRangeLooks
lines = self._isce.numberResampLines
pixelSpacing = self._isce.slantRangePixelSpacing
outresamp = "resamp" #only resamp
for sceneid1, sceneid2 in self._isce.pairsToCoreg:
pair = (sceneid1, sceneid2)
self._isce.resampIntImages[pair] = {}
self._isce.resampAmpImages[pair] = {}
offsetField = self._isce.refinedOffsetFields[pair]
for pol in self._isce.selectedPols:
imageSlc1 = self._isce.slcImages[sceneid1][pol]
imageSlc2 = self._isce.slcImages[sceneid2][pol]
frame1 = self._isce.frames[sceneid1][pol]
instrument = frame1.getInstrument()
catalog = isceobj.Catalog.createCatalog(self._isce.procDoc.name)
sid = self._isce.formatname(pair, pol)
resampFilename = os.path.join(self.getoutputdir(sceneid1, sceneid2), self._isce.formatname(pair, pol, resampName))
imageInt, imageAmp, imageResamp2 = run(imageSlc1, imageSlc2, instrument, offsetField, resampFilename, azLooks, rgLooks, lines, dopplerCentroid, numFitCoeff, pixelSpacing, stdWriter, catalog=catalog, sceneid=sid, output=outresamp)
self._isce.resampIntImages[pair][pol] = imageInt
self._isce.resampAmpImages[pair][pol] = imageAmp
if imageResamp2 is not None: #update resampled slc
self._isce.slcImages[sceneid2][pol] = imageResamp2
def run(imageSlc1, imageSlc2, instrument, offsetField, resampName, azLooks, rgLooks, lines, dopplerCentroid, numFitCoeff, pixelSpacing, stdWriter, catalog=None, sceneid='NO_ID', output="all"):
logger.info("Resampling interferogram: %s" % sceneid)
output = output.replace(" ", "") #remove all spaces in output
if output == "all":
output = ["intamp", "resamp"]
else:
output = output.split(",") #get a list from comma-separated text
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 = imageSlc1.getWidth()
intWidth = int(slcWidth / rgLooks)
if "resamp" in output:
logger.info("Will output resampled slc")
objResampSlc2 = isceobj.createSlcImage()
objResampSlc2.setFilename(objSlc2.getFilename().replace('.slc', '.resamp.slc')) #replace .slc by .resamp.slc
objResampSlc2.setWidth(slcWidth)
imageResamp2 = isceobj.createSlcImage()
IU.copyAttributes(objResampSlc2, imageResamp2)
objResampSlc2.setAccessMode('write')
objResampSlc2.createImage()
else:
objResampSlc2 = None
imageResamp2 = None
if "intamp" in output:
logger.info("Will ouput resampled interferogram and amplitude: %s" % sceneid)
resampAmp = resampName + '.amp'
resampInt = resampName + '.int'
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()
else:
objInt = None
imageInt = None
objAmp = None
imageAmp = None
dopplerCoeff = dopplerCentroid.getDopplerCoefficients(inHz=False)
objResamp = stdproc.createResamp()
objResamp.setNumberLines(lines)
objResamp.setNumberFitCoefficients(numFitCoeff)
objResamp.setNumberAzimuthLooks(azLooks)
objResamp.setNumberRangeLooks(rgLooks)
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 = stdWriter.set_file_tags("resamp",
"log",
"err",
"out")
objResamp.resamp(objSlc1, objSlc2, objInt, objAmp, objResampSlc2)
if catalog is not None:
# Record the inputs and outputs
isceobj.Catalog.recordInputsAndOutputs(catalog, objResamp,
"runResamp.%s" % sceneid,
logger,
"runResamp.%s" % sceneid)
for obj in [objInt, objAmp, objSlc1, objSlc2, objResampSlc2]:
if obj is not None:
obj.finalizeImage()
return imageInt, imageAmp, imageResamp2