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ISCE_INSAR/contrib/stack/alosStack/ion_subband.py

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new alosStack application
2020-10-20 02:42:07 +00:00
#!/usr/bin/env python3
#
# Author: Cunren Liang
# Copyright 2015-present, NASA-JPL/Caltech
#
import os
import glob
import shutil
import datetime
import numpy as np
import xml.etree.ElementTree as ET
import isce, isceobj
from isceobj.Constants import SPEED_OF_LIGHT
from isceobj.Alos2Proc.runSwathOffset import swathOffset
from isceobj.Alos2Proc.runFrameOffset import frameOffset
from isceobj.Alos2Proc.runIonSubband import defineIonDir
from StackPulic import loadTrack
from StackPulic import createObject
from StackPulic import stackDateStatistics
from StackPulic import acquisitionModesAlos2
def runIonSubband(self, referenceTrack, idir, dateReferenceStack, dateReference, dateSecondary):
'''create subband interferograms
'''
#catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
#self.updateParamemetersFromUser()
#if not self.doIon:
# catalog.printToLog(logger, "runIonSubband")
# self._insar.procDoc.addAllFromCatalog(catalog)
# return
#referenceTrack = self._insar.loadTrack(reference=True)
#secondaryTrack = self._insar.loadTrack(reference=False)
#using 1/3, 1/3, 1/3 band split
radarWavelength = referenceTrack.radarWavelength
rangeBandwidth = referenceTrack.frames[0].swaths[0].rangeBandwidth
rangeSamplingRate = referenceTrack.frames[0].swaths[0].rangeSamplingRate
radarWavelengthLower = SPEED_OF_LIGHT/(SPEED_OF_LIGHT / radarWavelength - rangeBandwidth / 3.0)
radarWavelengthUpper = SPEED_OF_LIGHT/(SPEED_OF_LIGHT / radarWavelength + rangeBandwidth / 3.0)
subbandRadarWavelength = [radarWavelengthLower, radarWavelengthUpper]
subbandBandWidth = [rangeBandwidth / 3.0 / rangeSamplingRate, rangeBandwidth / 3.0 / rangeSamplingRate]
subbandFrequencyCenter = [-rangeBandwidth / 3.0 / rangeSamplingRate, rangeBandwidth / 3.0 / rangeSamplingRate]
subbandPrefix = ['lower', 'upper']
'''
ionDir = {
ionDir['swathMosaic'] : 'mosaic',
ionDir['insar'] : 'insar',
ionDir['ion'] : 'ion',
ionDir['subband'] : ['lower', 'upper'],
ionDir['ionCal'] : 'ion_cal'
}
'''
#define upper level directory names
ionDir = defineIonDir()
#self._insar.subbandRadarWavelength = subbandRadarWavelength
############################################################
# STEP 1. create directories
############################################################
#create and enter 'ion' directory
#after finishing each step, we are in this directory
os.makedirs(ionDir['ion'], exist_ok=True)
os.chdir(ionDir['ion'])
#create insar processing directories
for k in range(2):
subbandDir = ionDir['subband'][k]
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i+1, frameNumber)
for j, swathNumber in enumerate(range(self._insar.startingSwath, self._insar.endingSwath + 1)):
swathDir = 's{}'.format(swathNumber)
fullDir = os.path.join(subbandDir, frameDir, swathDir)
os.makedirs(fullDir, exist_ok=True)
#create ionospheric phase directory
os.makedirs(ionDir['ionCal'], exist_ok=True)
############################################################
# STEP 2. create subband interferograms
############################################################
#import numpy as np
#import stdproc
#from iscesys.StdOEL.StdOELPy import create_writer
#from isceobj.Alos2Proc.Alos2ProcPublic import readOffset
#from contrib.alos2proc.alos2proc import rg_filter
from StackPulic import formInterferogram
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i+1, frameNumber)
for j, swathNumber in enumerate(range(self._insar.startingSwath, self._insar.endingSwath + 1)):
swathDir = 's{}'.format(swathNumber)
#skip this time consuming process, if interferogram already exists
if os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.interferogram)) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.interferogram+'.vrt')) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.interferogram+'.xml')) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.amplitude)) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.amplitude+'.vrt')) and \
os.path.isfile(os.path.join(ionDir['subband'][0], frameDir, swathDir, self._insar.amplitude+'.xml')) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.interferogram)) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.interferogram+'.vrt')) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.interferogram+'.xml')) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.amplitude)) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.amplitude+'.vrt')) and \
os.path.isfile(os.path.join(ionDir['subband'][1], frameDir, swathDir, self._insar.amplitude+'.xml')):
print('interferogram already exists at swath {}, frame {}'.format(swathNumber, frameNumber))
continue
# #filter reference and secondary images
# for slcx in [self._insar.referenceSlc, self._insar.secondarySlc]:
# slc = os.path.join('../', frameDir, swathDir, slcx)
# slcLower = os.path.join(ionDir['subband'][0], frameDir, swathDir, slcx)
# slcUpper = os.path.join(ionDir['subband'][1], frameDir, swathDir, slcx)
# rg_filter(slc, 2,
# [slcLower, slcUpper],
# subbandBandWidth,
# subbandFrequencyCenter,
# 257, 2048, 0.1, 0, 0.0)
#resample
for k in range(2):
os.chdir(os.path.join(ionDir['subband'][k], frameDir, swathDir))
slcReference = os.path.join('../../../../', idir, dateReference, frameDir, swathDir, dateReference+'_{}.slc'.format(ionDir['subband'][k]))
slcSecondary = os.path.join('../../../../', idir, dateSecondary, frameDir, swathDir, dateSecondary+'_{}.slc'.format(ionDir['subband'][k]))
formInterferogram(slcReference, slcSecondary, self._insar.interferogram, self._insar.amplitude, self._insar.numberRangeLooks1, self._insar.numberAzimuthLooks1)
os.chdir('../../../')
############################################################
# STEP 3. mosaic swaths
############################################################
from isceobj.Alos2Proc.runSwathMosaic import swathMosaic
from isceobj.Alos2Proc.Alos2ProcPublic import create_xml
#log output info
log = 'mosaic swaths in {} at {}\n'.format(os.path.basename(__file__), datetime.datetime.now())
log += '================================================================================================\n'
for k in range(2):
os.chdir(ionDir['subband'][k])
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i+1, frameNumber)
os.chdir(frameDir)
mosaicDir = ionDir['swathMosaic']
os.makedirs(mosaicDir, exist_ok=True)
os.chdir(mosaicDir)
if not (self._insar.endingSwath-self._insar.startingSwath >= 1):
import shutil
swathDir = 's{}'.format(referenceTrack.frames[i].swaths[0].swathNumber)
# if not os.path.isfile(self._insar.interferogram):
# os.symlink(os.path.join('../', swathDir, self._insar.interferogram), self._insar.interferogram)
# shutil.copy2(os.path.join('../', swathDir, self._insar.interferogram+'.vrt'), self._insar.interferogram+'.vrt')
# shutil.copy2(os.path.join('../', swathDir, self._insar.interferogram+'.xml'), self._insar.interferogram+'.xml')
# if not os.path.isfile(self._insar.amplitude):
# os.symlink(os.path.join('../', swathDir, self._insar.amplitude), self._insar.amplitude)
# shutil.copy2(os.path.join('../', swathDir, self._insar.amplitude+'.vrt'), self._insar.amplitude+'.vrt')
# shutil.copy2(os.path.join('../', swathDir, self._insar.amplitude+'.xml'), self._insar.amplitude+'.xml')
os.rename(os.path.join('../', swathDir, self._insar.interferogram), self._insar.interferogram)
os.rename(os.path.join('../', swathDir, self._insar.interferogram+'.vrt'), self._insar.interferogram+'.vrt')
os.rename(os.path.join('../', swathDir, self._insar.interferogram+'.xml'), self._insar.interferogram+'.xml')
os.rename(os.path.join('../', swathDir, self._insar.amplitude), self._insar.amplitude)
os.rename(os.path.join('../', swathDir, self._insar.amplitude+'.vrt'), self._insar.amplitude+'.vrt')
os.rename(os.path.join('../', swathDir, self._insar.amplitude+'.xml'), self._insar.amplitude+'.xml')
#no need to update frame parameters here
os.chdir('../')
#no need to save parameter file here
os.chdir('../')
continue
#choose offsets
numberOfFrames = len(referenceTrack.frames)
numberOfSwaths = len(referenceTrack.frames[i].swaths)
# if self.swathOffsetMatching:
# #no need to do this as the API support 2-d list
# #rangeOffsets = (np.array(self._insar.swathRangeOffsetMatchingReference)).reshape(numberOfFrames, numberOfSwaths)
# #azimuthOffsets = (np.array(self._insar.swathAzimuthOffsetMatchingReference)).reshape(numberOfFrames, numberOfSwaths)
# rangeOffsets = self._insar.swathRangeOffsetMatchingReference
# azimuthOffsets = self._insar.swathAzimuthOffsetMatchingReference
# else:
# #rangeOffsets = (np.array(self._insar.swathRangeOffsetGeometricalReference)).reshape(numberOfFrames, numberOfSwaths)
# #azimuthOffsets = (np.array(self._insar.swathAzimuthOffsetGeometricalReference)).reshape(numberOfFrames, numberOfSwaths)
# rangeOffsets = self._insar.swathRangeOffsetGeometricalReference
# azimuthOffsets = self._insar.swathAzimuthOffsetGeometricalReference
# rangeOffsets = rangeOffsets[i]
# azimuthOffsets = azimuthOffsets[i]
#compute swath offset using reference stack
#geometrical offset is enough now
offsetReferenceStack = swathOffset(referenceTrack.frames[i], dateReference+'.slc', 'swath_offset_' + dateReference + '.txt',
crossCorrelation=False, numberOfAzimuthLooks=10)
#we can faithfully make it integer.
#this can also reduce the error due to floating point computation
rangeOffsets = [float(round(x)) for x in offsetReferenceStack[0]]
azimuthOffsets = [float(round(x)) for x in offsetReferenceStack[1]]
#list of input files
inputInterferograms = []
inputAmplitudes = []
#phaseDiff = [None]
swathPhaseDiffIon = [self.swathPhaseDiffLowerIon, self.swathPhaseDiffUpperIon]
phaseDiff = swathPhaseDiffIon[k]
if swathPhaseDiffIon[k] is None:
phaseDiff = None
else:
phaseDiff = swathPhaseDiffIon[k][i]
phaseDiff.insert(0, None)
for j, swathNumber in enumerate(range(self._insar.startingSwath, self._insar.endingSwath + 1)):
swathDir = 's{}'.format(swathNumber)
inputInterferograms.append(os.path.join('../', swathDir, self._insar.interferogram))
inputAmplitudes.append(os.path.join('../', swathDir, self._insar.amplitude))
# #compute phase needed to be compensated using startingRange
# if j >= 1:
# #phaseDiffSwath1 = -4.0 * np.pi * (referenceTrack.frames[i].swaths[j-1].startingRange - secondaryTrack.frames[i].swaths[j-1].startingRange)/subbandRadarWavelength[k]
# #phaseDiffSwath2 = -4.0 * np.pi * (referenceTrack.frames[i].swaths[j].startingRange - secondaryTrack.frames[i].swaths[j].startingRange)/subbandRadarWavelength[k]
# phaseDiffSwath1 = +4.0 * np.pi * referenceTrack.frames[i].swaths[j-1].startingRange * (1.0/radarWavelength - 1.0/subbandRadarWavelength[k]) \
# -4.0 * np.pi * secondaryTrack.frames[i].swaths[j-1].startingRange * (1.0/radarWavelength - 1.0/subbandRadarWavelength[k])
# phaseDiffSwath2 = +4.0 * np.pi * referenceTrack.frames[i].swaths[j].startingRange * (1.0/radarWavelength - 1.0/subbandRadarWavelength[k]) \
# -4.0 * np.pi * secondaryTrack.frames[i].swaths[j].startingRange * (1.0/radarWavelength - 1.0/subbandRadarWavelength[k])
# if referenceTrack.frames[i].swaths[j-1].startingRange - secondaryTrack.frames[i].swaths[j-1].startingRange == \
# referenceTrack.frames[i].swaths[j].startingRange - secondaryTrack.frames[i].swaths[j].startingRange:
# #phaseDiff.append(phaseDiffSwath2 - phaseDiffSwath1)
# #if reference and secondary versions are all before or after version 2.025 (starting range error < 0.5 m),
# #it should be OK to do the above.
# #see results in neom where it meets the above requirement, but there is still phase diff
# #to be less risky, we do not input values here
# phaseDiff.append(None)
# else:
# phaseDiff.append(None)
#note that frame parameters are updated after mosaicking, here no need to update parameters
#mosaic amplitudes
swathMosaic(referenceTrack.frames[i], inputAmplitudes, self._insar.amplitude,
rangeOffsets, azimuthOffsets, self._insar.numberRangeLooks1, self._insar.numberAzimuthLooks1, resamplingMethod=0)
#mosaic interferograms
#These are for ALOS-2, may need to change for ALOS-4!
phaseDiffFixed = [0.0, 0.4754024578084084, 0.9509913179406437, 1.4261648478671614, 2.179664007520499, 2.6766909968024932, 3.130810857]
#if (referenceTrack.frames[i].processingSoftwareVersion == '2.025' and secondaryTrack.frames[i].processingSoftwareVersion == '2.023') or \
# (referenceTrack.frames[i].processingSoftwareVersion == '2.023' and secondaryTrack.frames[i].processingSoftwareVersion == '2.025'):
# # changed value number of samples to estimate new value new values estimate area
# ###########################################################################################################################
# # 2.6766909968024932-->2.6581660335779866 1808694 d169-f2850, north CA
# # 2.179664007520499 -->2.204125866652153 131120 d169-f2850, north CA
# phaseDiffFixed = [0.0, 0.4754024578084084, 0.9509913179406437, 1.4261648478671614, 2.204125866652153, 2.6581660335779866, 3.130810857]
snapThreshold = 0.2
#the above preparetions only applies to 'self._insar.modeCombination == 21'
#looks like it also works for 31 (scansarNominalModes-stripmapModes)
# if self._insar.modeCombination != 21:
# phaseDiff = None
# phaseDiffFixed = None
# snapThreshold = None
#whether snap for each swath
if self.swathPhaseDiffSnapIon == None:
snapSwath = [[True for jjj in range(numberOfSwaths-1)] for iii in range(numberOfFrames)]
else:
snapSwath = self.swathPhaseDiffSnapIon
if len(snapSwath) != numberOfFrames:
raise Exception('please specify each frame for parameter: swath phase difference snap to fixed values')
for iii in range(numberOfFrames):
if len(snapSwath[iii]) != (numberOfSwaths-1):
raise Exception('please specify correct number of swaths for parameter: swath phase difference snap to fixed values')
(phaseDiffEst, phaseDiffUsed, phaseDiffSource, numberOfValidSamples) = swathMosaic(referenceTrack.frames[i], inputInterferograms, self._insar.interferogram,
rangeOffsets, azimuthOffsets, self._insar.numberRangeLooks1, self._insar.numberAzimuthLooks1, updateFrame=False,
phaseCompensation=True, phaseDiff=phaseDiff, phaseDiffFixed=phaseDiffFixed, snapThreshold=snapThreshold, snapSwath=snapSwath[i], pcRangeLooks=1, pcAzimuthLooks=4,
filt=False, resamplingMethod=1)
#the first item is meaningless for all the following list, so only record the following items
if phaseDiff == None:
phaseDiff = [None for iii in range(self._insar.startingSwath, self._insar.endingSwath + 1)]
#catalog.addItem('frame {} {} band swath phase diff input'.format(frameNumber, ionDir['subband'][k]), phaseDiff[1:], 'runIonSubband')
#catalog.addItem('frame {} {} band swath phase diff estimated'.format(frameNumber, ionDir['subband'][k]), phaseDiffEst[1:], 'runIonSubband')
#catalog.addItem('frame {} {} band swath phase diff used'.format(frameNumber, ionDir['subband'][k]), phaseDiffUsed[1:], 'runIonSubband')
#catalog.addItem('frame {} {} band swath phase diff used source'.format(frameNumber, ionDir['subband'][k]), phaseDiffSource[1:], 'runIonSubband')
#catalog.addItem('frame {} {} band swath phase diff samples used'.format(frameNumber, ionDir['subband'][k]), numberOfValidSamples[1:], 'runIonSubband')
log += 'frame {} {} band swath phase diff input: {}\n'.format(frameNumber, ionDir['subband'][k], phaseDiff[1:])
log += 'frame {} {} band swath phase diff estimated: {}\n'.format(frameNumber, ionDir['subband'][k], phaseDiffEst[1:])
log += 'frame {} {} band swath phase diff used: {}\n'.format(frameNumber, ionDir['subband'][k], phaseDiffUsed[1:])
log += 'frame {} {} band swath phase diff used source: {}\n'.format(frameNumber, ionDir['subband'][k], phaseDiffSource[1:])
log += 'frame {} {} band swath phase diff samples used: {}\n'.format(frameNumber, ionDir['subband'][k], numberOfValidSamples[1:])
#check if there is value around 3.130810857, which may not be stable
phaseDiffUnstableExist = False
for xxx in phaseDiffUsed:
if abs(abs(xxx) - 3.130810857) < 0.2:
phaseDiffUnstableExist = True
#catalog.addItem('frame {} {} band swath phase diff unstable exists'.format(frameNumber, ionDir['subband'][k]), phaseDiffUnstableExist, 'runIonSubband')
log += 'frame {} {} band swath phase diff unstable exists: {}\n'.format(frameNumber, ionDir['subband'][k], phaseDiffUnstableExist)
log += '\n'
create_xml(self._insar.amplitude, referenceTrack.frames[i].numberOfSamples, referenceTrack.frames[i].numberOfLines, 'amp')
create_xml(self._insar.interferogram, referenceTrack.frames[i].numberOfSamples, referenceTrack.frames[i].numberOfLines, 'int')
#update secondary frame parameters here, here no need to update parameters
os.chdir('../')
#save parameter file, here no need to save parameter file
os.chdir('../')
os.chdir('../')
############################################################
# STEP 4. mosaic frames
############################################################
from isceobj.Alos2Proc.runFrameMosaic import frameMosaic
from isceobj.Alos2Proc.Alos2ProcPublic import create_xml
log += 'mosaic frames in {} at {}\n'.format(os.path.basename(__file__), datetime.datetime.now())
log += '================================================================================================\n'
spotlightModes, stripmapModes, scansarNominalModes, scansarWideModes, scansarModes = acquisitionModesAlos2()
for k in range(2):
os.chdir(ionDir['subband'][k])
mosaicDir = ionDir['insar']
os.makedirs(mosaicDir, exist_ok=True)
os.chdir(mosaicDir)
numberOfFrames = len(referenceTrack.frames)
if numberOfFrames == 1:
import shutil
frameDir = os.path.join('f1_{}/mosaic'.format(self._insar.referenceFrames[0]))
# if not os.path.isfile(self._insar.interferogram):
# os.symlink(os.path.join('../', frameDir, self._insar.interferogram), self._insar.interferogram)
# #shutil.copy2() can overwrite
# shutil.copy2(os.path.join('../', frameDir, self._insar.interferogram+'.vrt'), self._insar.interferogram+'.vrt')
# shutil.copy2(os.path.join('../', frameDir, self._insar.interferogram+'.xml'), self._insar.interferogram+'.xml')
# if not os.path.isfile(self._insar.amplitude):
# os.symlink(os.path.join('../', frameDir, self._insar.amplitude), self._insar.amplitude)
# shutil.copy2(os.path.join('../', frameDir, self._insar.amplitude+'.vrt'), self._insar.amplitude+'.vrt')
# shutil.copy2(os.path.join('../', frameDir, self._insar.amplitude+'.xml'), self._insar.amplitude+'.xml')
os.rename(os.path.join('../', frameDir, self._insar.interferogram), self._insar.interferogram)
os.rename(os.path.join('../', frameDir, self._insar.interferogram+'.vrt'), self._insar.interferogram+'.vrt')
os.rename(os.path.join('../', frameDir, self._insar.interferogram+'.xml'), self._insar.interferogram+'.xml')
os.rename(os.path.join('../', frameDir, self._insar.amplitude), self._insar.amplitude)
os.rename(os.path.join('../', frameDir, self._insar.amplitude+'.vrt'), self._insar.amplitude+'.vrt')
os.rename(os.path.join('../', frameDir, self._insar.amplitude+'.xml'), self._insar.amplitude+'.xml')
#update track parameters, no need to update track parameters here
else:
# #choose offsets
# if self.frameOffsetMatching:
# rangeOffsets = self._insar.frameRangeOffsetMatchingReference
# azimuthOffsets = self._insar.frameAzimuthOffsetMatchingReference
# else:
# rangeOffsets = self._insar.frameRangeOffsetGeometricalReference
# azimuthOffsets = self._insar.frameAzimuthOffsetGeometricalReference
if referenceTrack.operationMode in scansarModes:
matchingMode=0
else:
matchingMode=1
#geometrical offset is enough
offsetReferenceStack = frameOffset(referenceTrack, dateReference+'.slc', 'frame_offset_' + dateReference + '.txt',
crossCorrelation=False, matchingMode=matchingMode)
#we can faithfully make it integer.
#this can also reduce the error due to floating point computation
rangeOffsets = [float(round(x)) for x in offsetReferenceStack[0]]
azimuthOffsets = [float(round(x)) for x in offsetReferenceStack[1]]
#list of input files
inputInterferograms = []
inputAmplitudes = []
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i+1, frameNumber)
inputInterferograms.append(os.path.join('../', frameDir, 'mosaic', self._insar.interferogram))
inputAmplitudes.append(os.path.join('../', frameDir, 'mosaic', self._insar.amplitude))
#note that track parameters are updated after mosaicking
#mosaic amplitudes
frameMosaic(referenceTrack, inputAmplitudes, self._insar.amplitude,
rangeOffsets, azimuthOffsets, self._insar.numberRangeLooks1, self._insar.numberAzimuthLooks1,
updateTrack=False, phaseCompensation=False, resamplingMethod=0)
#mosaic interferograms
(phaseDiffEst, phaseDiffUsed, phaseDiffSource, numberOfValidSamples) = frameMosaic(referenceTrack, inputInterferograms, self._insar.interferogram,
rangeOffsets, azimuthOffsets, self._insar.numberRangeLooks1, self._insar.numberAzimuthLooks1,
updateTrack=False, phaseCompensation=True, resamplingMethod=1)
create_xml(self._insar.amplitude, referenceTrack.numberOfSamples, referenceTrack.numberOfLines, 'amp')
create_xml(self._insar.interferogram, referenceTrack.numberOfSamples, referenceTrack.numberOfLines, 'int')
#if multiple frames, remove frame amplitudes/inteferograms to save space
for x in inputAmplitudes:
os.remove(x)
os.remove(x+'.vrt')
os.remove(x+'.xml')
for x in inputInterferograms:
os.remove(x)
os.remove(x+'.vrt')
os.remove(x+'.xml')
#catalog.addItem('{} band frame phase diff estimated'.format(ionDir['subband'][k]), phaseDiffEst[1:], 'runIonSubband')
#catalog.addItem('{} band frame phase diff used'.format(ionDir['subband'][k]), phaseDiffUsed[1:], 'runIonSubband')
#catalog.addItem('{} band frame phase diff used source'.format(ionDir['subband'][k]), phaseDiffSource[1:], 'runIonSubband')
#catalog.addItem('{} band frame phase diff samples used'.format(ionDir['subband'][k]), numberOfValidSamples[1:], 'runIonSubband')
log += '{} band frame phase diff estimated: {}\n'.format(ionDir['subband'][k], phaseDiffEst[1:])
log += '{} band frame phase diff used: {}\n'.format(ionDir['subband'][k], phaseDiffUsed[1:])
log += '{} band frame phase diff used source: {}\n'.format(ionDir['subband'][k], phaseDiffSource[1:])
log += '{} band frame phase diff samples used: {}\n'.format(ionDir['subband'][k], numberOfValidSamples[1:])
log += '\n'
#update secondary parameters here, no need to update secondary parameters here
os.chdir('../')
#save parameter file, no need to save parameter file here
os.chdir('../')
############################################################
# STEP 5. clear frame processing files
############################################################
import shutil
from isceobj.Alos2Proc.Alos2ProcPublic import runCmd
for k in range(2):
os.chdir(ionDir['subband'][k])
for i, frameNumber in enumerate(self._insar.referenceFrames):
frameDir = 'f{}_{}'.format(i+1, frameNumber)
#keep subswath interferograms
#shutil.rmtree(frameDir)
#cmd = 'rm -rf {}'.format(frameDir)
#runCmd(cmd)
os.chdir('../')
############################################################
# STEP 6. create differential interferograms
############################################################
import numpy as np
from isceobj.Alos2Proc.Alos2ProcPublic import runCmd
for k in range(2):
os.chdir(ionDir['subband'][k])
insarDir = ionDir['insar']
os.makedirs(insarDir, exist_ok=True)
os.chdir(insarDir)
rangePixelSize = self._insar.numberRangeLooks1 * referenceTrack.rangePixelSize
radarWavelength = subbandRadarWavelength[k]
ml1 = '_{}rlks_{}alks'.format(self._insar.numberRangeLooks1, self._insar.numberAzimuthLooks1)
if dateReference == dateReferenceStack:
rectRangeOffset = os.path.join('../../../', idir, dateSecondary, 'insar', dateSecondary + ml1 + '_rg_rect.off')
cmd = "imageMath.py -e='a*exp(-1.0*J*b*4.0*{}*{}/{})*(b!=0)' --a={} --b={} -o {} -t cfloat".format(np.pi, rangePixelSize, radarWavelength, self._insar.interferogram, rectRangeOffset, self._insar.differentialInterferogram)
elif dateSecondary == dateReferenceStack:
rectRangeOffset = os.path.join('../../../', idir, dateReference, 'insar', dateReference + ml1 + '_rg_rect.off')
cmd = "imageMath.py -e='a*exp(1.0*J*b*4.0*{}*{}/{})*(b!=0)' --a={} --b={} -o {} -t cfloat".format(np.pi, rangePixelSize, radarWavelength, self._insar.interferogram, rectRangeOffset, self._insar.differentialInterferogram)
else:
rectRangeOffset1 = os.path.join('../../../', idir, dateReference, 'insar', dateReference + ml1 + '_rg_rect.off')
rectRangeOffset2 = os.path.join('../../../', idir, dateSecondary, 'insar', dateSecondary + ml1 + '_rg_rect.off')
cmd = "imageMath.py -e='a*exp(1.0*J*(b-c)*4.0*{}*{}/{})*(b!=0)*(c!=0)' --a={} --b={} --c={} -o {} -t cfloat".format(np.pi, rangePixelSize, radarWavelength, self._insar.interferogram, rectRangeOffset1, rectRangeOffset2, self._insar.differentialInterferogram)
runCmd(cmd)
os.chdir('../../')
os.chdir('../')
return log
def cmdLineParse():
'''
command line parser.
'''
import sys
import argparse
parser = argparse.ArgumentParser(description='create subband interferograms for ionospheric correction')
parser.add_argument('-idir', dest='idir', type=str, required=True,
help = 'input directory where resampled data of each date (YYMMDD) is located. only folders are recognized')
parser.add_argument('-ref_date_stack', dest='ref_date_stack', type=str, required=True,
help = 'reference date of stack. format: YYMMDD')
parser.add_argument('-ref_date', dest='ref_date', type=str, required=True,
help = 'reference date of this pair. format: YYMMDD')
parser.add_argument('-sec_date', dest='sec_date', type=str, required=True,
help = 'reference date of this pair. format: YYMMDD')
parser.add_argument('-nrlks1', dest='nrlks1', type=int, default=1,
help = 'number of range looks 1. default: 1')
parser.add_argument('-nalks1', dest='nalks1', type=int, default=1,
help = 'number of azimuth looks 1. default: 1')
# parser.add_argument('-nrlks_ion', dest='nrlks_ion', type=int, default=1,
# help = 'number of range looks ion. default: 1')
# parser.add_argument('-nalks_ion', dest='nalks_ion', type=int, default=1,
# help = 'number of azimuth looks ion. default: 1')
parser.add_argument('-snap', dest='snap', type=int, nargs='+', action='append', default=None,
help='swath phase difference snap to fixed values. e.g. you have 3 swaths and 2 frames. specify this parameter as: -snap 1 1 -snap 1 0, where 0 means no snap, 1 means snap')
parser.add_argument('-phase_diff_lower', dest='phase_diff_lower', type=str, nargs='+', action='append', default=None,
help='swath phase difference lower band. e.g. you have 3 swaths and 2 frames. specify this parameter as: -snap -1.3 2.37 -snap 0.1 None, where None means no user input phase difference value')
parser.add_argument('-phase_diff_upper', dest='phase_diff_upper', type=str, nargs='+', action='append', default=None,
help='swath phase difference upper band. e.g. you have 3 swaths and 2 frames. specify this parameter as: -snap -1.3 2.37 -snap 0.1 None, where None means no user input phase difference value')
if len(sys.argv) <= 1:
print('')
parser.print_help()
sys.exit(1)
else:
return parser.parse_args()
if __name__ == '__main__':
inps = cmdLineParse()
#get user parameters from input
idir = inps.idir
dateReferenceStack = inps.ref_date_stack
dateReference = inps.ref_date
dateSecondary = inps.sec_date
numberRangeLooks1 = inps.nrlks1
numberAzimuthLooks1 = inps.nalks1
#numberRangeLooksIon = inps.nrlks_ion
#numberAzimuthLooksIon = inps.nalks_ion
swathPhaseDiffSnapIon = inps.snap
swathPhaseDiffLowerIon = inps.phase_diff_lower
swathPhaseDiffUpperIon = inps.phase_diff_upper
#######################################################
pair = '{}-{}'.format(dateReference, dateSecondary)
ms = pair
ml1 = '_{}rlks_{}alks'.format(numberRangeLooks1, numberAzimuthLooks1)
dateDirs, dates, frames, swaths, dateIndexReference = stackDateStatistics(idir, dateReferenceStack)
nframe = len(frames)
nswath = len(swaths)
trackReferenceStack = loadTrack('./', dates[dateIndexReference])
#trackReference = loadTrack('./', dateReference)
#trackSecondary = loadTrack('./', dateSecondary)
self = createObject()
self._insar = createObject()
self._insar.referenceFrames = frames
self._insar.startingSwath = swaths[0]
self._insar.endingSwath = swaths[-1]
self._insar.numberRangeLooks1 = numberRangeLooks1
self._insar.numberAzimuthLooks1 = numberAzimuthLooks1
self._insar.interferogram = ms + ml1 + '.int'
self._insar.amplitude = ms + ml1 + '.amp'
self._insar.differentialInterferogram = 'diff_' + ms + ml1 + '.int'
#set self.swathPhaseDiffSnapIon, self.swathPhaseDiffLowerIon, self.swathPhaseDiffUpperIon
if swathPhaseDiffSnapIon is not None:
swathPhaseDiffSnapIon = [[True if x==1 else False for x in y] for y in swathPhaseDiffSnapIon]
if len(swathPhaseDiffSnapIon) != nframe:
raise Exception('please specify each frame for parameter: -snap')
for i in range(nframe):
Update ion_subband.py correct variable name
2020-12-06 20:07:48 +00:00
if len(swathPhaseDiffSnapIon[i]) != (nswath-1):
new alosStack application
2020-10-20 02:42:07 +00:00
raise Exception('please specify correct number of swaths for parameter: -snap')
if swathPhaseDiffLowerIon is not None:
swathPhaseDiffLowerIon = [[float(x) if x.upper() != 'NONE' else None for x in y] for y in swathPhaseDiffLowerIon]
if len(swathPhaseDiffLowerIon) != nframe:
raise Exception('please specify each frame for parameter: -phase_diff_lower')
for i in range(nframe):
if len(swathPhaseDiffLowerIon[i]) != (nswath-1):
raise Exception('please specify correct number of swaths for parameter: -phase_diff_lower')
if swathPhaseDiffUpperIon is not None:
swathPhaseDiffUpperIon = [[float(x) if x.upper() != 'NONE' else None for x in y] for y in swathPhaseDiffUpperIon]
if len(swathPhaseDiffUpperIon) != nframe:
raise Exception('please specify each frame for parameter: -phase_diff_upper')
for i in range(nframe):
if len(swathPhaseDiffUpperIon[i]) != (nswath-1):
raise Exception('please specify correct number of swaths for parameter: -phase_diff_upper')
self.swathPhaseDiffSnapIon = swathPhaseDiffSnapIon
self.swathPhaseDiffLowerIon = swathPhaseDiffLowerIon
self.swathPhaseDiffUpperIon = swathPhaseDiffUpperIon
log = runIonSubband(self, trackReferenceStack, idir, dateReferenceStack, dateReference, dateSecondary)
logFile = 'process.log'
with open(logFile, 'a') as f:
f.write(log)