ISCE_INSAR/components/isceobj/StripmapProc/runUnwrapGrass.py

106 lines
3.6 KiB
Python

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 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
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
import sys
import isceobj
from iscesys.Component.Component import Component
from mroipac.grass.grass import Grass
import os
# giangi: taken Piyush code grass.py and adapted
def runUnwrap(self, igramSpectrum = "full"):
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'
corName = os.path.join(ifgDirname , self.insar.coherenceFilename)
img1 = isceobj.createImage()
img1.load(wrapName + '.xml')
width = img1.getWidth()
with isceobj.contextIntImage(
filename=wrapName,
width=width,
accessMode='read') as intImage:
with isceobj.contextOffsetImage(
filename=corName,
width = width,
accessMode='read') as cohImage:
with isceobj.contextUnwImage(
filename=unwrapName,
width = width,
accessMode='write') as unwImage:
grs=Grass(name='stripmapapp_grass')
grs.configure()
grs.wireInputPort(name='interferogram',
object=intImage)
grs.wireInputPort(name='correlation',
object=cohImage)
grs.wireInputPort(name='unwrapped interferogram',
object=unwImage)
grs.unwrap()
unwImage.renderHdr()
pass
pass
pass
return None