ISCE_INSAR/components/isceobj/StripmapProc/runUnwrapIcu.py

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2025-01-16 09:33:42 +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.
#
# Author: Piyush Agram
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Heresh Fattahi, 2017
# Generalized for full and sub-band interferograms
import sys
import isce
from mroipac.icu.Icu import Icu
from iscesys.Component.Component import Component
from isceobj.Constants import SPEED_OF_LIGHT
import isceobj
import os
# giangi: taken Piyush code grass.py and adapted
def runUnwrap(self , igramSpectrum = "full"):
'''Specific connector from an insarApp object to a Snaphu object.'''
if igramSpectrum == "full":
ifgDirname = self.insar.ifgDirname
elif igramSpectrum == "low":
if not self.doDispersive:
print('Estimating dispersive phase not requested ... skipping sub-band interferogram unwrapping')
return
ifgDirname = os.path.join(self.insar.ifgDirname, self.insar.lowBandSlcDirname)
elif igramSpectrum == "high":
if not self.doDispersive:
print('Estimating dispersive phase not requested ... skipping sub-band interferogram unwrapping')
return
ifgDirname = os.path.join(self.insar.ifgDirname, self.insar.highBandSlcDirname)
wrapName = os.path.join(ifgDirname , 'filt_' + self.insar.ifgFilename )
if '.flat' in wrapName:
unwrapName = wrapName.replace('.flat', '.unw')
elif '.int' in wrapName:
unwrapName = wrapName.replace('.int', '.unw')
else:
unwrapName = wrapName + '.unw'
img1 = isceobj.createImage()
img1.load(wrapName + '.xml')
width = img1.getWidth()
# Get amp image name
originalWrapName = os.path.join(ifgDirname , self.insar.ifgFilename)
if '.flat' in originalWrapName:
resampAmpImage = originalWrapName.replace('.flat', '.amp')
elif '.int' in originalWrapName:
resampAmpImage = originalWrapName.replace('.int', '.amp')
else:
resampAmpImage = originalWrapName + '.amp'
ampImage = isceobj.createAmpImage()
ampImage.setWidth(width)
ampImage.setFilename(resampAmpImage)
ampImage.setAccessMode('read')
ampImage.createImage()
#width = ampImage.getWidth()
#intImage
intImage = isceobj.createIntImage()
intImage.initImage(wrapName, 'read', width)
intImage.createImage()
#unwImage
unwImage = isceobj.Image.createUnwImage()
unwImage.setFilename(unwrapName)
unwImage.setWidth(width)
unwImage.imageType = 'unw'
unwImage.bands = 2
unwImage.scheme = 'BIL'
unwImage.dataType = 'FLOAT'
unwImage.setAccessMode('write')
unwImage.createImage()
icuObj = Icu(name='insarapp_icu')
icuObj.configure()
icuObj.filteringFlag = False
#icuObj.useAmplitudeFlag = False
icuObj.singlePatch = True
icuObj.initCorrThreshold = 0.1
icuObj.icu(intImage=intImage, ampImage=ampImage, unwImage = unwImage)
#At least one can query for the name used
self.insar.connectedComponentsFilename = icuObj.conncompFilename
ampImage.finalizeImage()
intImage.finalizeImage()
unwImage.finalizeImage()
unwImage.renderHdr()