def dropSecondarysWithDifferentNumberOfBursts(secondaryList, reference, swathList):
'''Drop secondary acquisitions that have different number of bursts
than the reference acquisition.
'''
print('checking the number of bursts in coreg_secondarys against the one in reference')
secondaryList2Drop = []
for swath in swathList:
prodReference = ut.loadProduct(os.path.join(reference, 'IW{0}.xml'.format(swath)))
numBursts = len(prodReference.bursts)
for secondary in secondaryList:
prodSecondary = ut.loadProduct(os.path.join(secondary, 'IW{0}.xml'.format(swath)))
if len(prodSecondary.bursts) != numBursts:
msg = 'WARNING: {} has different number of bursts ({}) than the reference {} ({}) for swath {}'.format(
os.path.basename(secondary), len(prodSecondary.bursts),
os.path.basename(reference), numBursts, swath)
msg += ' --> exclude it for common region calculation'
print(msg)
secondaryList2Drop.append(secondary)
secondaryList2Drop = list(sorted(set(secondaryList2Drop)))
if len(secondaryList2Drop) == 0:
print('all secondary images have the same number of bursts as the reference')
secondaryList = list(sorted(set(secondaryList) - set(secondaryList2Drop)))
return secondaryList
def main(iargs=None):
inps = cmdLineParse(iargs)
swathList = ut.getSwathList(inps.master)
demImage = isceobj.createDemImage()
demImage.load(inps.dem + '.xml')
boxes = []
inputs = []
for swath in swathList:
master = ut.loadProduct(os.path.join(inps.master , 'IW{0}.xml'.format(swath)))
###Check if geometry directory already exists.
dirname = os.path.join(inps.geom_masterDir, 'IW{0}'.format(swath))
os.makedirs(dirname, exist_ok=True)
for ind in range(master.numberOfBursts):
inputs.append((dirname, demImage, master, ind))
pool = mp.Pool(mp.cpu_count())
results = pool.map(call_topo, inputs)
pool.close()
for bbox in results:
boxes.append(bbox)
boxes = np.array(boxes)
bbox = [np.min(boxes[:,0]), np.max(boxes[:,1]), np.min(boxes[:,2]), np.max(boxes[:,3])]
print ('bbox : ',bbox)
def main(iargs=None):
'''extract common valid overlap region for the stack.
'''
inps=cmdLineParse(iargs)
stackDir = os.path.join(os.path.dirname(inps.master),'stack')
if not os.path.exists(stackDir):
print('creating ', stackDir)
os.makedirs(stackDir)
else:
print(stackDir , ' already exists.')
print('Replacing master with existing stack.')
inps.master = stackDir
print('updating the valid overlap region of:')
print(stackDir)
masterSwathList = ut.getSwathList(inps.master)
slaveList = glob.glob(os.path.join(inps.slave,'2*'))
slaveSwathList = ut.getSwathList(slaveList[0]) # assuming all slaves have the same swaths
swathList = list(sorted(set(masterSwathList+slaveSwathList)))
for swath in swathList:
print('******************')
print('swath: ', swath)
####Load relevant products
topMaster = ut.loadProduct(os.path.join(inps.master , 'IW{0}.xml'.format(swath)))
#print('master.firstValidLine: ', topMaster.bursts[4].firstValidLine)
for slave in slaveList:
topMaster = updateValidRegion(topMaster, slave, swath)
print('writing ', os.path.join(stackDir , 'IW{0}.xml'.format(swath)))
ut.saveProduct(topMaster, os.path.join(stackDir , 'IW{0}.xml'.format(swath)))
os.makedirs(os.path.join(stackDir ,'IW{0}'.format(swath)), exist_ok=True)
def main(iargs=None):
'''extract common valid overlap region for the stack.
'''
inps=cmdLineParse(iargs)
stackDir = os.path.join(os.path.dirname(inps.reference),'stack')
if not os.path.exists(stackDir):
print('creating ', stackDir)
os.makedirs(stackDir)
elif len(glob.glob(os.path.join(stackDir, '*.xml'))) > 0:
print(stackDir , ' already exists.')
print('Replacing reference with existing stack.')
inps.reference = stackDir
print('updating the valid overlap region of:')
print(stackDir)
referenceSwathList = ut.getSwathList(inps.reference)
secondaryList = glob.glob(os.path.join(inps.secondary,'2*'))
secondarySwathList = ut.getSwathList(secondaryList[0]) # assuming all secondarys have the same swaths
swathList = list(sorted(set(referenceSwathList+secondarySwathList)))
# discard secondarys with different number of bursts than the reference
secondaryList = dropSecondarysWithDifferentNumberOfBursts(secondaryList, inps.reference, swathList)
for swath in swathList:
print('******************')
print('swath: ', swath)
####Load relevant products
topReference = ut.loadProduct(os.path.join(inps.reference , 'IW{0}.xml'.format(swath)))
#print('reference.firstValidLine: ', topReference.bursts[4].firstValidLine)
for secondary in secondaryList:
topReference = updateValidRegion(topReference, secondary, swath)
print('writing ', os.path.join(stackDir , 'IW{0}.xml'.format(swath)))
ut.saveProduct(topReference, os.path.join(stackDir , 'IW{0}.xml'.format(swath)))
os.makedirs(os.path.join(stackDir ,'IW{0}'.format(swath)), exist_ok=True)
def main(iargs=None):
'''
adjust valid samples by considering number of looks
'''
inps = cmdLineParse(iargs)
swathList = sorted(ut.getSwathList(inps.input))
frames=[]
for swath in swathList:
frame = ut.loadProduct( os.path.join(inps.input , 'IW{0}.xml'.format(swath)))
minBurst = frame.bursts[0].burstNumber
maxBurst = frame.bursts[-1].burstNumber
if minBurst==maxBurst:
print('Skipping processing of swath {0}'.format(swath))
continue
frames.append(frame)
if inps.nrlks != 1 or inps.nalks != 1:
print('updating swath xml')
box = mergeBox(frames)
#adjust valid with looks, 'frames' ARE CHANGED AFTER RUNNING THIS
#here numberRangeLooks, instead of numberRangeLooks0, is used, since we need to do next step multilooking after unwrapping. same for numberAzimuthLooks.
(burstValidBox, burstValidBox2, message) = adjustValidWithLooks(frames, box, inps.nalks, inps.nrlks, edge=0, avalid='strict', rvalid='strict')
else:
print('number of range and azimuth looks are all equal to 1, no need to update swath xml')
for swath in swathList:
print('writing ', os.path.join(inps.output , 'IW{0}.xml'.format(swath)))
os.makedirs(os.path.join(inps.output, 'IW{0}'.format(swath)), exist_ok=True)
ut.saveProduct(frames[swath-1], os.path.join(inps.output , 'IW{0}.xml'.format(swath)))
def extractInfo(xmlName, inps):
'''
Extract required information from pickle file.
'''
from isceobj.Planet.Planet import Planet
from isceobj.Util.geo.ellipsoid import Ellipsoid
frame = ut.loadProduct(xmlName)
burst = frame.bursts[0]
planet = Planet(pname='Earth')
elp = Ellipsoid(planet.ellipsoid.a, planet.ellipsoid.e2, 'WGS84')
data = {}
data['wavelength'] = burst.radarWavelength
tstart = frame.bursts[0].sensingStart
tend = frame.bursts[-1].sensingStop
#tmid = tstart + 0.5*(tend - tstart)
tmid = tstart
orbit = burst.orbit
peg = orbit.interpolateOrbit(tmid, method='hermite')
refElp = Planet(pname='Earth').ellipsoid
llh = refElp.xyz_to_llh(peg.getPosition())
hdg = orbit.getENUHeading(tmid)
refElp.setSCH(llh[0], llh[1], hdg)
earthRadius = refElp.pegRadCur
altitude = llh[2]
#sv = burst.orbit.interpolateOrbit(tmid, method='hermite')
#pos = sv.getPosition()
#llh = elp.ECEF(pos[0], pos[1], pos[2]).llh()
data['altitude'] = altitude #llh.hgt
#hdg = burst.orbit.getHeading()
data['earthRadius'] = earthRadius #elp.local_radius_of_curvature(llh.lat, hdg)
#azspacing = burst.azimuthTimeInterval * sv.getScalarVelocity()
#azres = 20.0
#corrfile = os.path.join(self._insar.mergedDirname, self._insar.coherenceFilename)
rangeLooks = inps.rglooks
azimuthLooks = inps.azlooks
azfact = 0.8
rngfact = 0.8
corrLooks = rangeLooks * azimuthLooks/(azfact*rngfact)
data['corrlooks'] = corrLooks #inps.rglooks * inps.azlooks * azspacing / azres
data['rglooks'] = inps.rglooks
data['azlooks'] = inps.azlooks
return data
def create_georectified_lat_lon(swathList, master, outdir, demZero):
""" export geo rectified latitude and longitude """
for swath in swathList:
master = ut.loadProduct(os.path.join(master,
'IW{0}.xml'.format(swath)))
###Check if geometry directory already exists.
dirname = os.path.join(outdir, 'IW{0}'.format(swath))
if os.path.isdir(dirname):
print('Geometry directory {0} already exists.'.format(dirname))
else:
os.makedirs(dirname)
###For each burst
for ind in range(master.numberOfBursts):
burst = master.bursts[ind]
latname = os.path.join(dirname, 'lat_%02d.rdr' % (ind + 1))
lonname = os.path.join(dirname, 'lon_%02d.rdr' % (ind + 1))
hgtname = os.path.join(dirname, 'hgt_%02d.rdr' % (ind + 1))
losname = os.path.join(dirname, 'los_%02d.rdr' % (ind + 1))
if not (os.path.exists(latname + '.xml')
or os.path.exists(lonname + '.xml')):
#####Run Topo
planet = Planet(pname='Earth')
topo = createTopozero()
topo.slantRangePixelSpacing = burst.rangePixelSize
topo.prf = 1.0 / burst.azimuthTimeInterval
topo.radarWavelength = burst.radarWavelength
topo.orbit = burst.orbit
topo.width = burst.numberOfSamples
topo.length = burst.numberOfLines
topo.wireInputPort(name='dem', object=demZero)
topo.wireInputPort(name='planet', object=planet)
topo.numberRangeLooks = 1
topo.numberAzimuthLooks = 1
topo.lookSide = -1
topo.sensingStart = burst.sensingStart
topo.rangeFirstSample = burst.startingRange
topo.demInterpolationMethod = 'BIQUINTIC'
topo.latFilename = latname
topo.lonFilename = lonname
topo.heightFilename = hgtname
topo.losFilename = losname
topo.topo()
return
def main(iargs=None):
'''
Create subband burst SLCs.
'''
inps = cmdLineParse(iargs)
swathList = ut.getSwathList(inps.directory)
for swath in swathList:
acquisition = ut.loadProduct(
os.path.join(inps.directory, 'IW{0}.xml'.format(swath)))
for burst in acquisition.bursts:
print("processing swath {}, burst {}".format(
swath, os.path.basename(burst.image.filename)))
outname = burst.image.filename
outnameLower = os.path.splitext(outname)[0] + '_lower.slc'
outnameUpper = os.path.splitext(outname)[0] + '_upper.slc'
if os.path.exists(outnameLower) and os.path.exists(outnameLower+'.vrt') and os.path.exists(outnameLower+'.xml') and \
os.path.exists(outnameUpper) and os.path.exists(outnameUpper+'.vrt') and os.path.exists(outnameUpper+'.xml'):
print('burst {} already processed, skip...'.format(
os.path.basename(burst.image.filename)))
continue
#subband filtering
from Stack import ionParam
from isceobj.Constants import SPEED_OF_LIGHT
rangeSamplingRate = SPEED_OF_LIGHT / (2.0 * burst.rangePixelSize)
ionParamObj = ionParam()
ionParamObj.configure()
outputfile = [outnameLower, outnameUpper]
bw = [
ionParamObj.rgBandwidthSub / rangeSamplingRate,
ionParamObj.rgBandwidthSub / rangeSamplingRate
]
bc = [
-ionParamObj.rgBandwidthForSplit / 3.0 / rangeSamplingRate,
ionParamObj.rgBandwidthForSplit / 3.0 / rangeSamplingRate
]
rgRef = ionParamObj.rgRef
subband(burst, 2, outputfile, bw, bc, rgRef, True)
def main(iargs=None):
inps = cmdLineParse(iargs)
swathList = ut.getSwathList(inps.reference)
demImage = isceobj.createDemImage()
demImage.load(inps.dem + '.xml')
boxes = []
inputs = []
for swath in swathList:
reference = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
###Check if geometry directory already exists.
dirname = os.path.join(inps.geom_referenceDir, 'IW{0}'.format(swath))
os.makedirs(dirname, exist_ok=True)
for ind in range(reference.numberOfBursts):
inputs.append((dirname, demImage, reference, ind))
# parallel processing
print('running in parallel with {} processes'.format(inps.numProcess))
pool = mp.Pool(inps.numProcess)
results = pool.map(call_topo, inputs)
pool.close()
for bbox in results:
boxes.append(bbox)
boxes = np.array(boxes)
bbox = [
np.min(boxes[:, 0]),
np.max(boxes[:, 1]),
np.min(boxes[:, 2]),
np.max(boxes[:, 3])
]
print('bbox : ', bbox)
def extractIsceMetadata(xmlFile):
master = ut.loadProduct(xmlFile)
burst = master.bursts[0]
burstEnd = master.bursts[-1]
metadata = {}
metadata['radarWavelength'] = burst.radarWavelength
metadata['rangePixelSize'] = burst.rangePixelSize
metadata['prf'] = burst.prf
metadata['startUTC'] = burst.burstStartUTC
metadata['stopUTC'] = burstEnd.burstStopUTC
metadata['startingRange'] = burst.startingRange
time_seconds = burst.burstStartUTC.hour * 3600.0 + burst.burstStartUTC.minute * 60.0 + burst.burstStartUTC.second
metadata['CENTER_LINE_UTC'] = time_seconds
Vs = np.linalg.norm(
burst.orbit.interpolateOrbit(burst.sensingMid,
method='hermite').getVelocity())
metadata['satelliteSpeed'] = Vs
metadata['azimuthTimeInterval'] = burst.azimuthTimeInterval
metadata['azimuthPixelSize'] = Vs * burst.azimuthTimeInterval
tstart = burst.sensingStart
tend = burstEnd.sensingStop
tmid = tstart + 0.5 * (tend - tstart)
orbit = burst.orbit
peg = orbit.interpolateOrbit(tmid, method='hermite')
refElp = Planet(pname='Earth').ellipsoid
llh = refElp.xyz_to_llh(peg.getPosition())
hdg = orbit.getENUHeading(tmid)
refElp.setSCH(llh[0], llh[1], hdg)
metadata['earthRadius'] = refElp.pegRadCur
metadata['altitude'] = llh[2]
return metadata
def updateValidRegion(topReference, secondaryPath, swath):
#secondarySwathList = ut.getSwathList(secondary)
#swathList = list(sorted(set(referenceSwathList+secondarySwathList)))
#for swath in swathList:
#IWstr = 'IW{0}'.format(swath)
####Load relevant products
#topReference = ut.loadProduct(os.path.join(inps.reference , 'IW{0}.xml'.format(swath)))
print(secondaryPath)
topCoreg = ut.loadProduct(os.path.join(secondaryPath , 'IW{0}.xml'.format(swath)))
topIfg = ut.coregSwathSLCProduct()
topIfg.configure()
minReference = topReference.bursts[0].burstNumber
maxReference = topReference.bursts[-1].burstNumber
minSecondary = topCoreg.bursts[0].burstNumber
maxSecondary = topCoreg.bursts[-1].burstNumber
minBurst = max(minSecondary, minReference)
maxBurst = min(maxSecondary, maxReference)
print ('minSecondary,maxSecondary',minSecondary, maxSecondary)
print ('minReference,maxReference',minReference, maxReference)
print ('minBurst, maxBurst: ', minBurst, maxBurst)
for ii in range(minBurst, maxBurst + 1):
####Process the top bursts
reference = topReference.bursts[ii-minReference]
secondary = topCoreg.bursts[ii-minSecondary]
ut.adjustCommonValidRegion(reference,secondary)
#topReference.bursts[ii-minReference].firstValidLine = reference.firstValidLine
return topReference
def updateValidRegion(topMaster, slavePath, swath):
#slaveSwathList = ut.getSwathList(slave)
#swathList = list(sorted(set(masterSwathList+slaveSwathList)))
#for swath in swathList:
#IWstr = 'IW{0}'.format(swath)
####Load relevant products
#topMaster = ut.loadProduct(os.path.join(inps.master , 'IW{0}.xml'.format(swath)))
topCoreg = ut.loadProduct(os.path.join(slavePath , 'IW{0}.xml'.format(swath)))
topIfg = ut.coregSwathSLCProduct()
topIfg.configure()
minMaster = topMaster.bursts[0].burstNumber
maxMaster = topMaster.bursts[-1].burstNumber
minSlave = topCoreg.bursts[0].burstNumber
maxSlave = topCoreg.bursts[-1].burstNumber
minBurst = max(minSlave, minMaster)
maxBurst = min(maxSlave, maxMaster)
print ('minSlave,maxSlave',minSlave, maxSlave)
print ('minMaster,maxMaster',minMaster, maxMaster)
print ('minBurst, maxBurst: ', minBurst, maxBurst)
for ii in range(minBurst, maxBurst + 1):
####Process the top bursts
master = topMaster.bursts[ii-minMaster]
slave = topCoreg.bursts[ii-minSlave]
ut.adjustCommonValidRegion(master,slave)
#topMaster.bursts[ii-minMaster].firstValidLine = master.firstValidLine
return topMaster
def main(iargs=None):
'''
check overlap among all acquistions, only keep the bursts that in the common overlap,
and then renumber the bursts.
'''
inps = cmdLineParse(iargs)
referenceDir = inps.reference
secondaryDir = sorted(glob.glob(os.path.join(inps.secondarys, '*')))
acquistionDir = [referenceDir] + secondaryDir
invalidSwath = []
for i in [1, 2, 3]:
for x in acquistionDir:
if not (os.path.isdir(os.path.join(x, 'IW{}'.format(i))) and os.path.isfile(os.path.join(x, 'IW{}.xml'.format(i)))):
invalidSwath.append(i)
break
if invalidSwath == [1, 2, 3]:
raise Exception('there are no common swaths among the acquistions')
else:
validSwath = [i for i in [1, 2, 3] if i not in invalidSwath]
print('valid swath from scanning acquistion directory: {}'.format(validSwath))
invalidSwath2 = []
for swath in validSwath:
referenceSwath = ut.loadProduct(os.path.join(referenceDir, 'IW{0}.xml'.format(swath)))
burstoffsetAll = []
minBurstAll = []
maxBurstAll = []
secondarySwathAll = []
for secondaryDirX in secondaryDir:
secondarySwath = ut.loadProduct(os.path.join(secondaryDirX, 'IW{0}.xml'.format(swath)))
secondarySwathAll.append(secondarySwath)
burstoffset, minBurst, maxBurst = referenceSwath.getCommonBurstLimits(secondarySwath)
burstoffsetAll.append(burstoffset)
minBurstAll.append(minBurst)
maxBurstAll.append(maxBurst)
minBurst = max(minBurstAll)
maxBurst = min(maxBurstAll)
numBurst = maxBurst - minBurst
if minBurst >= maxBurst:
invalidSwath2.append(swath)
else:
#add reference
swathAll = [referenceSwath] + secondarySwathAll
burstoffsetAll = [0] + burstoffsetAll
for dirx, swathx, burstoffsetx in zip(acquistionDir, swathAll, burstoffsetAll):
swathTmp = createTOPSSwathSLCProduct()
swathTmp.configure()
#change reserved burst properties and remove non-overlap bursts
for jj in range(len(swathx.bursts)):
ii = jj - burstoffsetx
#burstFileName = os.path.join(os.path.abspath(dirx), 'IW{}'.format(swath), os.path.basename(swathx.bursts[jj].image.filename))
burstFileName = os.path.join(os.path.abspath(dirx), 'IW{}'.format(swath), 'burst_%02d'%(jj+1) + '.slc')
if minBurst <= ii < maxBurst:
kk = ii - minBurst
#change burst properties
swathx.bursts[jj].burstNumber = kk + 1
swathx.bursts[jj].image.filename = os.path.join(os.path.dirname(swathx.bursts[jj].image.filename), 'burst_%02d'%(kk+1) + '.slc')
swathTmp.bursts.append(swathx.bursts[jj])
else:
#remove non-overlap bursts
#os.remove(burstFileName)
os.remove(burstFileName+'.vrt')
os.remove(burstFileName+'.xml')
#remove geometry files accordingly if provided
if dirx == referenceDir:
if inps.geom_reference is not None:
for fileType in ['hgt', 'incLocal', 'lat', 'lon', 'los', 'shadowMask']:
geomFileName = os.path.join(os.path.abspath(inps.geom_reference), 'IW{}'.format(swath), fileType + '_%02d'%(jj+1) + '.rdr')
os.remove(geomFileName)
os.remove(geomFileName+'.vrt')
os.remove(geomFileName+'.xml')
#change reserved burst file names
for jj in range(len(swathx.bursts)):
ii = jj - burstoffsetx
#burstFileName = os.path.join(os.path.abspath(dirx), 'IW{}'.format(swath), os.path.basename(swathx.bursts[jj].image.filename))
burstFileName = os.path.join(os.path.abspath(dirx), 'IW{}'.format(swath), 'burst_%02d'%(jj+1) + '.slc')
if minBurst <= ii < maxBurst:
kk = ii - minBurst
burstFileNameNew = os.path.join(os.path.abspath(dirx), 'IW{}'.format(swath), 'burst_%02d'%(kk+1) + '.slc')
if burstFileName != burstFileNameNew:
img = isceobj.createImage()
img.load(burstFileName + '.xml')
img.setFilename(burstFileNameNew)
#img.extraFilename = burstFileNameNew+'.vrt'
img.renderHdr()
#still use original vrt
os.remove(burstFileName+'.xml')
os.remove(burstFileNameNew+'.vrt')
os.rename(burstFileName+'.vrt', burstFileNameNew+'.vrt')
#change geometry file names accordingly if provided
if dirx == referenceDir:
if inps.geom_reference is not None:
for fileType in ['hgt', 'incLocal', 'lat', 'lon', 'los', 'shadowMask']:
geomFileName = os.path.join(os.path.abspath(inps.geom_reference), 'IW{}'.format(swath), fileType + '_%02d'%(jj+1) + '.rdr')
geomFileNameNew = os.path.join(os.path.abspath(inps.geom_reference), 'IW{}'.format(swath), fileType + '_%02d'%(kk+1) + '.rdr')
if geomFileName != geomFileNameNew:
renameFile(geomFileName, geomFileNameNew)
#change swath properties
swathx.bursts = swathTmp.bursts
swathx.numberOfBursts = numBurst
#remove original and write new
os.remove( os.path.join(dirx, 'IW{}.xml'.format(swath)) )
ut.saveProduct(swathx, os.path.join(dirx, 'IW{}.xml'.format(swath)))
#remove invalid swaths
invalidSwath3 = list(sorted(set(invalidSwath+invalidSwath2)))
for swath in invalidSwath3:
for dirx in acquistionDir:
iwdir = os.path.join(dirx, 'IW{}'.format(swath))
iwxml = os.path.join(dirx, 'IW{}.xml'.format(swath))
if os.path.isdir(iwdir):
shutil.rmtree(iwdir)
if os.path.isfile(iwxml):
os.remove(iwxml)
def main(iargs=None):
inps = cmdLineParse(iargs)
swathList = ut.getSwathList(inps.master)
demImage = isceobj.createDemImage()
demImage.load(inps.dem + '.xml')
boxes = []
for swath in swathList:
master = ut.loadProduct(os.path.join(inps.master , 'IW{0}.xml'.format(swath)))
###Check if geometry directory already exists.
dirname = os.path.join(inps.geom_masterDir, 'IW{0}'.format(swath))
if os.path.isdir(dirname):
print('Geometry directory {0} already exists.'.format(dirname))
else:
os.makedirs(dirname)
###For each burst
for ind in range(master.numberOfBursts):
burst = master.bursts[ind]
latname = os.path.join(dirname, 'lat_%02d.rdr'%(ind+1))
lonname = os.path.join(dirname, 'lon_%02d.rdr'%(ind+1))
hgtname = os.path.join(dirname, 'hgt_%02d.rdr'%(ind+1))
losname = os.path.join(dirname, 'los_%02d.rdr'%(ind+1))
maskname = os.path.join(dirname, 'shadowMask_%02d.rdr'%(ind+1))
incname = os.path.join(dirname, 'incLocal_%02d.rdr'%(ind+1))
#####Run Topo
planet = Planet(pname='Earth')
topo = createTopozero()
topo.slantRangePixelSpacing = burst.rangePixelSize
topo.prf = 1.0/burst.azimuthTimeInterval
topo.radarWavelength = burst.radarWavelength
topo.orbit = burst.orbit
topo.width = burst.numberOfSamples
topo.length = burst.numberOfLines
topo.wireInputPort(name='dem', object=demImage)
topo.wireInputPort(name='planet', object=planet)
topo.numberRangeLooks = 1
topo.numberAzimuthLooks = 1
topo.lookSide = -1
topo.sensingStart = burst.sensingStart
topo.rangeFirstSample = burst.startingRange
topo.demInterpolationMethod='BIQUINTIC'
topo.latFilename = latname
topo.lonFilename = lonname
topo.heightFilename = hgtname
topo.losFilename = losname
topo.maskFilename = maskname
topo.incFilename = incname
topo.topo()
bbox = [topo.minimumLatitude, topo.maximumLatitude, topo.minimumLongitude, topo.maximumLongitude]
boxes.append(bbox)
topo = None
boxes = np.array(boxes)
bbox = [np.min(boxes[:,0]), np.max(boxes[:,1]), np.min(boxes[:,2]), np.max(boxes[:,3])]
print ('bbox : ',bbox)
def main(iargs=None):
'''
Merge burst products to make it look like stripmap.
Currently will merge interferogram, lat, lon, z and los.
'''
inps = cmdLineParse(iargs)
virtual = inps.useVirtualFiles
swathList = ut.getSwathList(inps.reference)
referenceFrames = []
frames = []
fileList = []
namePattern = inps.namePattern.split('*')
for swath in swathList:
ifg = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
if inps.stack:
stack = ut.loadProduct(
os.path.join(inps.stack, 'IW{0}.xml'.format(swath)))
if inps.isaligned:
reference = ifg.reference
#this does not make sense, number of burst in reference is not necessarily number of bursts in interferogram.
#so comment it out.
# # checking inconsistent number of bursts in the secondary acquisitions
# if reference.numberOfBursts != ifg.numberOfBursts:
# raise ValueError('{} has different number of bursts ({}) than the reference ({})'.format(
# inps.reference, ifg.numberOfBursts, reference.numberOfBursts))
else:
reference = ifg
minBurst = ifg.bursts[0].burstNumber
maxBurst = ifg.bursts[-1].burstNumber
if minBurst == maxBurst:
print('Skipping processing of swath {0}'.format(swath))
continue
if inps.stack:
minStack = stack.bursts[0].burstNumber
print(
'Updating the valid region of each burst to the common valid region of the stack'
)
for ii in range(minBurst, maxBurst + 1):
ifg.bursts[ii - minBurst].firstValidLine = stack.bursts[
ii - minStack].firstValidLine
ifg.bursts[ii - minBurst].firstValidSample = stack.bursts[
ii - minStack].firstValidSample
ifg.bursts[ii - minBurst].numValidLines = stack.bursts[
ii - minStack].numValidLines
ifg.bursts[ii - minBurst].numValidSamples = stack.bursts[
ii - minStack].numValidSamples
frames.append(ifg)
referenceFrames.append(reference)
print('bursts: ', minBurst, maxBurst)
fileList.append([
os.path.join(inps.dirname, 'IW{0}'.format(swath),
namePattern[0] + '_%02d.%s' % (x, namePattern[1]))
for x in range(minBurst, maxBurst + 1)
])
mergedir = os.path.dirname(inps.outfile)
os.makedirs(mergedir, exist_ok=True)
suffix = '.full'
if (inps.numberRangeLooks == 1) and (inps.numberAzimuthLooks == 1):
suffix = ''
####Virtual flag is ignored for multi-swath data
if (not virtual):
print('User requested for multi-swath stitching.')
print('Virtual files are the only option for this.')
print('Proceeding with virtual files.')
mergeBurstsVirtual(frames,
referenceFrames,
fileList,
inps.outfile + suffix,
validOnly=inps.validOnly)
if (not virtual):
print('writing merged file to disk via gdal.Translate ...')
gdal.Translate(inps.outfile + suffix,
inps.outfile + suffix + '.vrt',
options='-of ENVI -co INTERLEAVE=BIL',
callback=progress_cb,
callback_data='.')
if inps.multilook:
multilook(inps.outfile + suffix,
outname=inps.outfile,
alks=inps.numberAzimuthLooks,
rlks=inps.numberRangeLooks,
multilook_tool=inps.multilookTool,
no_data=inps.noData)
else:
print('Skipping multi-looking ....')
def main(iargs=None):
'''
'''
inps = cmdLineParse(iargs)
corThresholdSwathAdj = 0.85
numberRangeLooks = inps.nrlks
numberAzimuthLooks = inps.nalks
remove_ramp = inps.remove_ramp
ionParamObj = ionParam()
ionParamObj.configure()
#####################################################################
framesBox = []
swathList = sorted(ut.getSwathList(inps.reference))
for swath in swathList:
frame = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
minBurst = frame.bursts[0].burstNumber
maxBurst = frame.bursts[-1].burstNumber
if minBurst == maxBurst:
print('Skipping processing of swath {0}'.format(swath))
continue
passDirection = frame.bursts[0].passDirection.lower()
if inps.stack is not None:
print(
'Updating the valid region of each burst to the common valid region of the stack'
)
frame_stack = ut.loadProduct(
os.path.join(inps.stack, 'IW{0}.xml'.format(swath)))
updateValid(frame, frame_stack)
framesBox.append(frame)
box = mergeBox(framesBox)
#adjust valid with looks, 'frames' ARE CHANGED AFTER RUNNING THIS
#here numberRangeLooks, instead of numberRangeLooks0, is used, since we need to do next step multilooking after unwrapping. same for numberAzimuthLooks.
(burstValidBox, burstValidBox2,
message) = adjustValidWithLooks(framesBox,
box,
numberAzimuthLooks,
numberRangeLooks,
edge=0,
avalid='strict',
rvalid='strict')
#1. we use adjustValidWithLooks() to compute burstValidBox for extracting burst bounding boxes, use each burst's bounding box to retrive
#the corresponding burst in merged swath image and then put the burst in the final merged image.
#so there is no need to use interferogram IW*.xml, reference IW*.xml is good enough. If there is no corresponding burst in interferogram
#IW*.xml, the burst in merged swath image is just zero, and we can put this zero burst in the final merged image.
#2. we use mergeBox() to compute box[1] to be used in cal_cross_ab_ramp()
#####################################################################
numValidSwaths = len(swathList)
if numValidSwaths == 1:
print('there is only one valid swath, simply copy the files')
os.makedirs(inps.output, exist_ok=True)
corName = os.path.join(inps.input, 'ion_cal_IW{}'.format(swathList[0]),
'raw_no_projection.cor')
ionName = os.path.join(inps.input, 'ion_cal_IW{}'.format(swathList[0]),
'raw_no_projection.ion')
corOutName = os.path.join(inps.output, 'raw_no_projection.cor')
ionOutName = os.path.join(inps.output, 'raw_no_projection.ion')
shutil.copy2(corName, corOutName)
shutil.copy2(ionName, ionOutName)
#os.symlink(os.path.abspath(corName), os.path.abspath(corOutName))
#os.symlink(os.path.abspath(ionName), os.path.abspath(ionOutName))
img = isceobj.createImage()
img.load(corName + '.xml')
img.setFilename(corOutName)
img.extraFilename = corOutName + '.vrt'
img.renderHdr()
img = isceobj.createImage()
img.load(ionName + '.xml')
img.setFilename(ionOutName)
img.extraFilename = ionOutName + '.vrt'
img.renderHdr()
return
print('merging swaths')
corList = []
ampList = []
ionosList = []
for swath in swathList:
corName = os.path.join(inps.input, 'ion_cal_IW{}'.format(swath),
'raw_no_projection.cor')
ionName = os.path.join(inps.input, 'ion_cal_IW{}'.format(swath),
'raw_no_projection.ion')
img = isceobj.createImage()
img.load(ionName + '.xml')
width = img.width
length = img.length
amp = (np.fromfile(corName,
dtype=np.float32).reshape(length * 2,
width))[0:length * 2:2, :]
cor = (np.fromfile(corName,
dtype=np.float32).reshape(length * 2,
width))[1:length * 2:2, :]
ion = (np.fromfile(ionName,
dtype=np.float32).reshape(length * 2,
width))[1:length * 2:2, :]
corList.append(cor)
ampList.append(amp)
ionosList.append(ion)
#do adjustment between ajacent swaths
if numValidSwaths == 3:
adjustList = [ionosList[0], ionosList[2]]
else:
adjustList = [ionosList[0]]
for adjdata in adjustList:
index = np.nonzero((adjdata != 0) * (ionosList[1] != 0) *
(corList[1] > corThresholdSwathAdj))
if index[0].size < 5:
print(
'WARNING: too few samples available for adjustment between swaths: {} with coherence threshold: {}'
.format(index[0].size, corThresholdSwathAdj))
print(' no adjustment made')
print(
' to do ajustment, please consider using lower coherence threshold'
)
else:
print(
'number of samples available for adjustment in the overlap area: {}'
.format(index[0].size))
#diff = np.mean((ionosList[1] - adjdata)[index], dtype=np.float64)
#use weighted mean instead
wgt = corList[1][index]**14
diff = np.sum((ionosList[1] - adjdata)[index] * wgt /
np.sum(wgt, dtype=np.float64),
dtype=np.float64)
index2 = np.nonzero(adjdata != 0)
adjdata[index2] = adjdata[index2] + diff
#get merged ionosphere
ampMerged = np.zeros((length, width), dtype=np.float32)
corMerged = np.zeros((length, width), dtype=np.float32)
ionosMerged = np.zeros((length, width), dtype=np.float32)
for i in range(numValidSwaths):
nBurst = len(burstValidBox[i])
for j in range(nBurst):
#index after multi-looking in merged image, index starts from 1
first_line = np.int(
np.around((burstValidBox[i][j][0] - 1) / numberAzimuthLooks +
1))
last_line = np.int(
np.around(burstValidBox[i][j][1] / numberAzimuthLooks))
first_sample = np.int(
np.around((burstValidBox[i][j][2] - 1) / numberRangeLooks + 1))
last_sample = np.int(
np.around(burstValidBox[i][j][3] / numberRangeLooks))
corMerged[first_line-1:last_line-1+1, first_sample-1:last_sample-1+1] = \
corList[i][first_line-1:last_line-1+1, first_sample-1:last_sample-1+1]
ampMerged[first_line-1:last_line-1+1, first_sample-1:last_sample-1+1] = \
ampList[i][first_line-1:last_line-1+1, first_sample-1:last_sample-1+1]
ionosMerged[first_line-1:last_line-1+1, first_sample-1:last_sample-1+1] = \
ionosList[i][first_line-1:last_line-1+1, first_sample-1:last_sample-1+1]
#remove an empirical ramp
if remove_ramp != 0:
#warningInfo = '{} calculating ionosphere for cross S-1A/B interferogram, an empirical ramp is removed from estimated ionosphere\n'.format(datetime.datetime.now())
#with open(os.path.join(ionParam.ionDirname, ionParam.warning), 'a') as f:
# f.write(warningInfo)
abramp = cal_cross_ab_ramp(swathList, box[1], numberRangeLooks,
passDirection)
if remove_ramp == -1:
abramp *= -1.0
#currently do not apply this
#ionosMerged -= abramp[None, :]
#dump ionosphere
os.makedirs(inps.output, exist_ok=True)
outFilename = os.path.join(inps.output, ionParamObj.ionRawNoProj)
ion = np.zeros((length * 2, width), dtype=np.float32)
ion[0:length * 2:2, :] = ampMerged
ion[1:length * 2:2, :] = ionosMerged
ion.astype(np.float32).tofile(outFilename)
img.filename = outFilename
img.extraFilename = outFilename + '.vrt'
img.renderHdr()
#dump coherence
outFilename = os.path.join(inps.output, ionParamObj.ionCorNoProj)
ion[1:length * 2:2, :] = corMerged
ion.astype(np.float32).tofile(outFilename)
img.filename = outFilename
img.extraFilename = outFilename + '.vrt'
img.renderHdr()
def main(iargs=None):
'''
Merge burst products to make it look like stripmap.
Currently will merge interferogram, lat, lon, z and los.
'''
inps = cmdLineParse(iargs)
from osgeo import ogr, osr
import matplotlib
if inps.shapefile is not None:
matplotlib.use('Agg')
import matplotlib.pyplot as plt
import matplotlib.patches as patches
swathList = ut.getSwathList(inps.reference)
swathColors = ['r', 'g', 'b']
shapeColors = ['FF0000', '00FF00', '0000FF']
fig = plt.figure('Burst map')
ax = fig.add_subplot(111, aspect='equal')
tmin = None
rmin = None
xmin = 1e10
ymin = 1e10
xmax = -1e10
ymax = -1e10
if inps.shapefile is not None:
ds = ogr.GetDriverByName('KML').CreateDataSource(inps.shapefile)
srs = osr.SpatialReference()
srs.SetWellKnownGeogCS('WGS84')
layer = ds.CreateLayer('bursts', srs=srs)
field_name = ogr.FieldDefn("Name", ogr.OFTString)
field_name.SetWidth(16)
layer.CreateField(field_name)
field_name = ogr.FieldDefn("OGR_STYLE", ogr.OFTString)
layer.CreateField(field_name)
for swath in swathList:
ifg = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
minBurst = ifg.bursts[0].burstNumber
maxBurst = ifg.bursts[-1].burstNumber
if tmin is None:
tmin = ifg.bursts[0].sensingStart
dtime = ifg.bursts[0].azimuthTimeInterval
rmin = ifg.bursts[0].startingRange
drange = ifg.bursts[0].rangePixelSize
if minBurst == maxBurst:
print('Skipping processing of swath {0}'.format(swath))
continue
if not inps.shapefile:
for ii in range(minBurst, maxBurst + 1):
burst = ifg.bursts[ii - minBurst]
x0 = np.round((burst.startingRange - rmin) / drange)
y0 = np.round(
(burst.sensingStart - tmin).total_seconds() / dtime)
if ii % 2 == 0:
style = 'solid'
else:
style = 'dashdot'
ax.add_patch(
patches.Rectangle((x0, y0),
burst.numValidSamples,
burst.numValidLines,
edgecolor=swathColors[swath - 1],
facecolor=swathColors[swath - 1],
alpha=0.2,
linestyle=style))
xmin = min(xmin, x0)
xmax = max(xmax, x0 + burst.numValidSamples)
ymin = min(ymin, y0)
ymax = max(ymax, y0 + burst.numValidLines)
else:
for ii in range(minBurst, maxBurst + 1):
burst = ifg.bursts[ii - minBurst]
t0 = burst.sensingStart + datetime.timedelta(
seconds=burst.firstValidLine * burst.azimuthTimeInterval)
t1 = t0 + datetime.timedelta(seconds=burst.numValidLines *
burst.azimuthTimeInterval)
r0 = burst.startingRange + burst.firstValidSample * burst.rangePixelSize
r1 = r0 + burst.numValidSamples * burst.rangePixelSize
earlyNear = burst.orbit.rdr2geo(t0, r0)
earlyFar = burst.orbit.rdr2geo(t0, r1)
lateFar = burst.orbit.rdr2geo(t1, r1)
lateNear = burst.orbit.rdr2geo(t1, r0)
ring = ogr.Geometry(ogr.wkbLinearRing)
ring.AddPoint(earlyNear[1], earlyNear[0])
ring.AddPoint(earlyFar[1], earlyFar[0])
ring.AddPoint(lateFar[1], lateFar[0])
ring.AddPoint(lateNear[1], lateNear[0])
ring.AddPoint(earlyNear[1], earlyNear[0])
feature = ogr.Feature(layer.GetLayerDefn())
feature.SetField('Name', 'IW{0}-{1}'.format(swath, ii))
feature.SetField(
'OGR_STYLE',
"PEN(c:#{0},w:8px)".format(shapeColors[swath - 1]))
feature.SetGeometry(ring)
layer.CreateFeature(feature)
feature = None
if not inps.shapefile:
plt.ylim([ymin, ymax])
plt.xlim([xmin, xmax])
if inps.figure is not None:
plt.savefig(inps.figure, format='pdf')
else:
plt.show()
else:
ds = None
print('Wrote KML file: ', inps.shapefile)
def main(iargs=None):
inps = cmdLineParse(iargs)
swathList = ut.getSwathList(inps.reference)
for swath in swathList:
####Load reference metadata
mFrame = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
####Output directory for overlap geometry images
geomdir = os.path.join(inps.geom_reference, 'IW{0}'.format(swath))
outdir = os.path.join(inps.geom_reference, inps.overlapDir,
'IW{0}'.format(swath))
subreferencedir = os.path.join(inps.reference, inps.overlapDir,
'IW{0}'.format(swath))
if os.path.isdir(outdir):
catalog.addItem(
'Overlap directory {0} already exists'.format(outdir))
else:
os.makedirs(outdir)
if os.path.isdir(subreferencedir):
catalog.addItem(
'Subreference Overlap directory {0} already exists'.format(
subreferencedir))
else:
os.makedirs(subreferencedir)
###Azimuth time interval
dt = mFrame.bursts[0].azimuthTimeInterval
topFrame = ut.coregSwathSLCProduct()
topFrame.configure()
bottomFrame = ut.coregSwathSLCProduct()
bottomFrame.configure()
numCommon = mFrame.numberOfBursts
startIndex = 0
###For each overlap
for ii in range(numCommon - 1):
ind = ii + startIndex
topBurst = mFrame.bursts[ind]
botBurst = mFrame.bursts[ind + 1]
overlap_start_time = botBurst.sensingStart
overlap_end_time = topBurst.sensingStop
catalog.addItem(
'Overlap {0} start time - IW-{1}'.format(ind, swath),
overlap_start_time, 'subset')
catalog.addItem(
'Overlap {0} stop time - IW-{1}'.format(ind, swath),
overlap_end_time, 'subset')
nLinesOverlap = int(
np.round(
(overlap_end_time - overlap_start_time).total_seconds() /
dt)) + 1
catalog.addItem(
'Overlap {0} number of lines - IW-{1}'.format(ind, swath),
nLinesOverlap, 'subset')
length = topBurst.numberOfLines
width = topBurst.numberOfSamples
topStart = int(
np.round((botBurst.sensingStart - topBurst.sensingStart
).total_seconds() / dt)) + botBurst.firstValidLine
overlapLen = topBurst.firstValidLine + topBurst.numValidLines - topStart
catalog.addItem(
'Overlap {0} number of valid lines - IW-{1}'.format(
ind, swath), overlapLen, 'subset')
###Create slice objects for overlaps
topslicey = slice(topStart, topStart + overlapLen)
topslicex = slice(0, width)
botslicey = slice(botBurst.firstValidLine,
botBurst.firstValidLine + overlapLen)
botslicex = slice(0, width)
for prefix in ['lat', 'lon', 'hgt']:
infile = os.path.join(geomdir,
prefix + '_%02d.rdr' % (ind + 2))
outfile = os.path.join(
outdir, prefix + '_%02d_%02d.rdr' % (ind + 1, ind + 2))
subset(infile, outfile, botslicey, botslicex)
masname1 = topBurst.image.filename
masname2 = botBurst.image.filename
reference_outname1 = os.path.join(
subreferencedir,
'burst_top_%02d_%02d.slc' % (ind + 1, ind + 2))
reference_outname2 = os.path.join(
subreferencedir,
'burst_bot_%02d_%02d.slc' % (ind + 1, ind + 2))
subset(masname1, reference_outname1, topslicey, topslicex)
subset(masname2, reference_outname2, botslicey, botslicex)
####TOP frame
burst = copy.deepcopy(topBurst)
burst.firstValidLine = 0
burst.numberOfLines = overlapLen
burst.numValidLines = overlapLen
burst.sensingStart = topBurst.sensingStart + datetime.timedelta(
0, topStart * dt) # topStart*dt
burst.sensingStop = topBurst.sensingStart + datetime.timedelta(
0,
(topStart + overlapLen - 1) * dt) # (topStart+overlapLen-1)*dt
###Replace file name in image
burst.image.filename = reference_outname1
burst.image.setLength(overlapLen)
burst.image.setWidth(width)
topFrame.bursts.append(burst)
burst = None
####BOTTOM frame
burst = copy.deepcopy(botBurst)
burst.firstValidLine = 0
burst.numberOfLines = overlapLen
burst.numValidLines = overlapLen
burst.sensingStart = botBurst.sensingStart + datetime.timedelta(
seconds=botBurst.firstValidLine * dt)
burst.sensingStop = botBurst.sensingStart + datetime.timedelta(
seconds=(botBurst.firstValidLine + overlapLen - 1) * dt)
###Replace file name in image
burst.image.filename = reference_outname2
burst.image.setLength(overlapLen)
burst.image.setWidth(width)
bottomFrame.bursts.append(burst)
burst = None
print('Top: ', [x.image.filename for x in topFrame.bursts])
print('Bottom: ', [x.image.filename for x in bottomFrame.bursts])
topFrame.numberOfBursts = len(topFrame.bursts)
bottomFrame.numberOfBursts = len(bottomFrame.bursts)
#self._insar.saveProduct(topFrame, os.path.join(self._insar.referenceSlcOverlapProduct, 'top_IW{0}.xml'.format(swath)))
#self._insar.saveProduct(bottomFrame, os.path.join(self._insar.referenceSlcOverlapProduct, 'bottom_IW{0}.xml'.format(swath)))
topFrame.reference = mFrame
bottomFrame.reference = mFrame
topFrame.source = mFrame
bottomFrame.source = mFrame
ut.saveProduct(topFrame, subreferencedir + '_top.xml')
ut.saveProduct(bottomFrame, subreferencedir + '_bottom.xml')
def main(iargs=None):
'''
Estimate offsets for the overlap regions of the bursts.
'''
inps = cmdLineParse(iargs)
# see if the user compiled isce with GPU enabled
run_GPU = False
try:
from zerodop.GPUtopozero.GPUtopozero import PyTopozero
from zerodop.GPUgeo2rdr.GPUgeo2rdr import PyGeo2rdr
run_GPU = True
except:
pass
if inps.useGPU and not run_GPU:
print("GPU mode requested but no GPU ISCE code found")
# setting the respective version of geo2rdr for CPU and GPU
if run_GPU and inps.useGPU:
print('GPU mode')
runGeo2rdr = runGeo2rdrGPU
else:
print('CPU mode')
runGeo2rdr = runGeo2rdrCPU
masterSwathList = ut.getSwathList(inps.master)
slaveSwathList = ut.getSwathList(inps.slave)
swathList = list(sorted(set(masterSwathList+slaveSwathList)))
for swath in swathList:
##Load slave metadata
slave = ut.loadProduct(os.path.join(inps.slave, 'IW{0}.xml'.format(swath)))
master = ut.loadProduct(os.path.join(inps.master, 'IW{0}.xml'.format(swath)))
### output directory
if inps.overlap:
outdir = os.path.join(inps.coregdir, inps.overlapDir, 'IW{0}'.format(swath))
else:
outdir = os.path.join(inps.coregdir, 'IW{0}'.format(swath))
if not os.path.isdir(outdir):
os.makedirs(outdir)
if os.path.exists(str(inps.misreg_az)):
with open(inps.misreg_az, 'r') as f:
misreg_az = float(f.readline())
else:
misreg_az = 0.0
if os.path.exists(str(inps.misreg_rng)):
with open(inps.misreg_rng, 'r') as f:
misreg_rg = float(f.readline())
else:
misreg_rg = 0.0
burstoffset, minBurst, maxBurst = master.getCommonBurstLimits(slave)
###Burst indices w.r.t master
if inps.overlap:
maxBurst = maxBurst - 1
geomDir = os.path.join(inps.geom_masterDir, inps.overlapDir, 'IW{0}'.format(swath))
else:
geomDir = os.path.join(inps.geom_masterDir, 'IW{0}'.format(swath))
slaveBurstStart = minBurst + burstoffset
for mBurst in range(minBurst, maxBurst):
###Corresponding slave burst
sBurst = slaveBurstStart + (mBurst - minBurst)
burstTop = slave.bursts[sBurst]
if inps.overlap:
burstBot = slave.bursts[sBurst+1]
print('Overlap pair {0}: Burst {1} of master matched with Burst {2} of slave'.format(mBurst-minBurst, mBurst, sBurst))
if inps.overlap:
####Generate offsets for top burst
rdict = {'lat': os.path.join(geomDir,'lat_%02d_%02d.rdr'%(mBurst+1,mBurst+2)),
'lon': os.path.join(geomDir,'lon_%02d_%02d.rdr'%(mBurst+1,mBurst+2)),
'hgt': os.path.join(geomDir,'hgt_%02d_%02d.rdr'%(mBurst+1,mBurst+2)),
'rangeOffName': os.path.join(outdir, 'range_top_%02d_%02d.off'%(mBurst+1,mBurst+2)),
'azOffName': os.path.join(outdir, 'azimuth_top_%02d_%02d.off'%(mBurst+1,mBurst+2))}
runGeo2rdr(burstTop, rdict, misreg_az=misreg_az, misreg_rg=misreg_rg)
print('Overlap pair {0}: Burst {1} of master matched with Burst {2} of slave'.format(mBurst-minBurst, mBurst+1, sBurst+1))
####Generate offsets for bottom burst
rdict = {'lat': os.path.join(geomDir,'lat_%02d_%02d.rdr'%(mBurst+1,mBurst+2)),
'lon': os.path.join(geomDir, 'lon_%02d_%02d.rdr'%(mBurst+1,mBurst+2)),
'hgt': os.path.join(geomDir, 'hgt_%02d_%02d.rdr'%(mBurst+1,mBurst+2)),
'rangeOffName': os.path.join(outdir, 'range_bot_%02d_%02d.off'%(mBurst+1,mBurst+2)),
'azOffName': os.path.join(outdir, 'azimuth_bot_%02d_%02d.off'%(mBurst+1,mBurst+2))}
runGeo2rdr(burstBot, rdict, misreg_az=misreg_az, misreg_rg=misreg_rg)
else:
print('Burst {1} of master matched with Burst {2} of slave'.format(mBurst-minBurst, mBurst, sBurst))
####Generate offsets for top burst
rdict = {'lat': os.path.join(geomDir,'lat_%02d.rdr'%(mBurst+1)),
'lon': os.path.join(geomDir,'lon_%02d.rdr'%(mBurst+1)),
'hgt': os.path.join(geomDir,'hgt_%02d.rdr'%(mBurst+1)),
'rangeOffName': os.path.join(outdir, 'range_%02d.off'%(mBurst+1)),
'azOffName': os.path.join(outdir, 'azimuth_%02d.off'%(mBurst+1))}
runGeo2rdr(burstTop, rdict, misreg_az=misreg_az, misreg_rg=misreg_rg)
def main(iargs=None):
inps = cmdLineParse(iargs)
'''
Estimate constant offset in range.
'''
#if not self.doESD:
# return
#catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
#swathList = self._insar.getValidSwathList(self.swaths)
masterSwathList = ut.getSwathList(os.path.join(inps.master, 'overlap'))
slaveSwathList = ut.getSwathList(os.path.join(inps.slave, 'overlap'))
swathList = list(sorted(set(masterSwathList + slaveSwathList)))
rangeOffsets = []
snr = []
for swath in swathList:
#if self._insar.numberOfCommonBursts[swath-1] < 2:
# print('Skipping range coreg for swath IW{0}'.format(swath))
# continue
#minBurst, maxBurst = self._insar.commonMasterBurstLimits(swath-1)
#maxBurst = maxBurst - 1 ###For overlaps
#masterTop = self._insar.loadProduct( os.path.join(self._insar.masterSlcOverlapProduct, 'top_IW{0}.xml'.format(swath)))
#masterBottom = self._insar.loadProduct( os.path.join(self._insar.masterSlcOverlapProduct , 'bottom_IW{0}.xml'.format(swath)))
masterTop = ut.loadProduct(
os.path.join(inps.master, 'overlap',
'IW{0}_top.xml'.format(swath)))
masterBottom = ut.loadProduct(
os.path.join(inps.master, 'overlap',
'IW{0}_bottom.xml'.format(swath)))
slaveTop = ut.loadProduct(
os.path.join(inps.slave, 'overlap', 'IW{0}_top.xml'.format(swath)))
slaveBottom = ut.loadProduct(
os.path.join(inps.slave, 'overlap',
'IW{0}_bottom.xml'.format(swath)))
#slaveTop = self._insar.loadProduct( os.path.join(self._insar.coregOverlapProduct , 'top_IW{0}.xml'.format(swath)))
#slaveBottom = self._insar.loadProduct( os.path.join(self._insar.coregOverlapProduct, 'bottom_IW{0}.xml'.format(swath)))
minMaster = masterTop.bursts[0].burstNumber
maxMaster = masterTop.bursts[-1].burstNumber
minSlave = slaveTop.bursts[0].burstNumber
maxSlave = slaveTop.bursts[-1].burstNumber
minBurst = max(minSlave, minMaster)
maxBurst = min(maxSlave, maxMaster)
maxBurst = maxBurst - 1 ###For overlaps
for pair in [(masterTop, slaveTop), (masterBottom, slaveBottom)]:
for ii in range(minBurst, maxBurst):
mFile = pair[0].bursts[ii - minMaster].image.filename
sFile = pair[1].bursts[ii - minSlave].image.filename
field = runAmpcor(mFile, sFile)
for offset in field:
rangeOffsets.append(offset.dx)
snr.append(offset.snr)
###Cull
mask = np.logical_and(
np.array(snr) > inps.offsetSNRThreshold,
np.abs(rangeOffsets) < 1.2)
val = np.array(rangeOffsets)[mask]
medianval = np.median(val)
meanval = np.mean(val)
stdval = np.std(val)
# convert the estimations to meters
medianval = medianval * masterTop.bursts[0].rangePixelSize
meanval = meanval * masterTop.bursts[0].rangePixelSize
stdval = stdval * masterTop.bursts[0].rangePixelSize
hist, bins = np.histogram(val, 50, normed=1)
center = 0.5 * (bins[:-1] + bins[1:])
outputDir = os.path.dirname(inps.output)
if not os.path.exists(outputDir):
os.makedirs(outputDir)
try:
import matplotlib as mpl
mpl.use('Agg')
import matplotlib.pyplot as plt
except:
print('Matplotlib could not be imported. Skipping debug plot ...')
debugPlot = False
debugPlot = False
if debugPlot:
try:
####Plotting
plt.figure()
plt.bar(center,
hist,
align='center',
width=0.7 * (bins[1] - bins[0]))
plt.xlabel('Range shift in pixels')
plt.savefig(os.path.join(outputDir, 'rangeMisregistration.jpg'))
plt.show()
plt.close()
except:
print(
'Looks like matplotlib could not save image to JPEG, continuing .....'
)
print(
'Install Pillow to ensure debug plots for Residual range offsets are generated.'
)
pass
with open(inps.output, 'w') as f:
f.write('median : ' + str(medianval) + '\n')
f.write('mean : ' + str(meanval) + '\n')
f.write('std : ' + str(stdval) + '\n')
f.write('snr threshold : ' + str(inps.offsetSNRThreshold) + '\n')
f.write('mumber of coherent points : ' + str(len(val)) + '\n')
def main(iargs=None):
'''
Create additional layers for performing ESD.
'''
inps = cmdLineParse(iargs)
inps.interferogram = os.path.join(inps.interferogram, 'overlap')
inps.master = os.path.join(inps.master, 'overlap')
inps.slave = os.path.join(inps.slave, 'overlap')
masterSwathList = ut.getSwathList(inps.master)
slaveSwathList = ut.getSwathList(inps.slave)
swathList = list(sorted(set(masterSwathList + slaveSwathList)))
for swath in swathList:
IWstr = 'IW{0}'.format(swath)
masterTop = ut.loadProduct(
os.path.join(inps.master, IWstr + '_top.xml'))
masterBot = ut.loadProduct(
os.path.join(inps.master, IWstr + '_bottom.xml'))
slaveTop = ut.loadProduct(os.path.join(inps.slave, IWstr + '_top.xml'))
slaveBot = ut.loadProduct(
os.path.join(inps.slave, IWstr + '_bottom.xml'))
####Load metadata for burst IFGs
ifgTop = ut.loadProduct(
os.path.join(inps.interferogram, IWstr + '_top.xml'))
ifgBottom = ut.loadProduct(
os.path.join(inps.interferogram, IWstr + '_bottom.xml'))
####Create ESD output directory
esddir = os.path.join(inps.overlap, IWstr)
os.makedirs(esddir, exist_ok=True)
####Overlap offsets directory
masterOffdir = os.path.join(inps.master, IWstr)
slaveOffdir = os.path.join(inps.slave, IWstr)
#########
minMaster = masterTop.bursts[0].burstNumber
maxMaster = masterTop.bursts[-1].burstNumber
minSlave = slaveTop.bursts[0].burstNumber
maxSlave = slaveTop.bursts[-1].burstNumber
minBurst = ifgTop.bursts[0].burstNumber
maxBurst = ifgTop.bursts[-1].burstNumber
print('minSlave,maxSlave', minSlave, maxSlave)
print('minMaster,maxMaster', minMaster, maxMaster)
print('minBurst, maxBurst: ', minBurst, maxBurst)
#########
ifglist = []
factorlist = []
offsetlist = []
cohlist = []
for ii in range(minBurst, maxBurst + 1):
ind = ii - minBurst ###Index into overlaps
mind = ii - minMaster ### Index into master
sind = ii - minSlave ###Index into slave
topBurstIfg = ifgTop.bursts[ind]
botBurstIfg = ifgBottom.bursts[ind]
###############
'''stackMasterTop = ifgTop.source.bursts[mind]
stackMasterBot = ifgBottom.source.bursts[mind]
dt = stackMasterTop.azimuthTimeInterval
topStart = int(np.round((stackMasterBot.sensingStart - stackMasterTop.sensingStart).total_seconds() / dt))
#overlapLen = .numberOfLines
botStart = stackMasterBot.firstValidLine #int(np.round((.sensingStart - masterBot.sensingStart).total_seconds() / dt))
print('+++++++++++++++++++')
print(topStart, botStart)
print('+++++++++++++++++++') '''
###############
####Double difference interferograms
topInt = np.memmap(topBurstIfg.image.filename,
dtype=np.complex64,
mode='r',
shape=(topBurstIfg.numberOfLines,
topBurstIfg.numberOfSamples))
botInt = np.memmap(botBurstIfg.image.filename,
dtype=np.complex64,
mode='r',
shape=(botBurstIfg.numberOfLines,
botBurstIfg.numberOfSamples))
intName = os.path.join(esddir, 'overlap_%02d.int' % (ii))
freqName = os.path.join(esddir, 'freq_%02d.bin' % (ii))
with open(intName, 'wb') as fid:
fid.write(topInt * np.conj(botInt))
img = isceobj.createIntImage()
img.setFilename(intName)
img.setWidth(topBurstIfg.numberOfSamples)
img.setLength(topBurstIfg.numberOfLines)
img.setAccessMode('READ')
img.renderHdr()
img.renderVRT()
img.createImage()
img.finalizeImage()
multIntName = multilook(intName,
alks=inps.esdAzimuthLooks,
rlks=inps.esdRangeLooks)
ifglist.append(multIntName)
####Estimate coherence of double different interferograms
multCor = createCoherence(multIntName)
cohlist.append(multCor)
####Estimate the frequency difference
azMasTop = os.path.join(masterOffdir,
'azimuth_top_%02d_%02d.off' % (ii, ii + 1))
rgMasTop = os.path.join(masterOffdir,
'range_top_%02d_%02d.off' % (ii, ii + 1))
azMasBot = os.path.join(masterOffdir,
'azimuth_bot_%02d_%02d.off' % (ii, ii + 1))
rgMasBot = os.path.join(masterOffdir,
'range_bot_%02d_%02d.off' % (ii, ii + 1))
azSlvTop = os.path.join(slaveOffdir,
'azimuth_top_%02d_%02d.off' % (ii, ii + 1))
rgSlvTop = os.path.join(slaveOffdir,
'range_top_%02d_%02d.off' % (ii, ii + 1))
azSlvBot = os.path.join(slaveOffdir,
'azimuth_bot_%02d_%02d.off' % (ii, ii + 1))
rgSlvBot = os.path.join(slaveOffdir,
'range_bot_%02d_%02d.off' % (ii, ii + 1))
mFullTop = masterTop.source.bursts[mind]
mFullBot = masterBot.source.bursts[mind + 1]
sFullTop = slaveTop.source.bursts[sind]
sFullBot = slaveBot.source.bursts[sind + 1]
freqdiff = overlapSpectralSeparation(topBurstIfg, botBurstIfg,
mFullTop, mFullBot, sFullTop,
sFullBot, azMasTop, rgMasTop,
azMasBot, rgMasBot, azSlvTop,
rgSlvTop, azSlvBot, rgSlvBot)
with open(freqName, 'wb') as fid:
(freqdiff * 2 * np.pi * mFullTop.azimuthTimeInterval).astype(
np.float32).tofile(fid)
img = isceobj.createImage()
img.setFilename(freqName)
img.setWidth(topBurstIfg.numberOfSamples)
img.setLength(topBurstIfg.numberOfLines)
img.setAccessMode('READ')
img.bands = 1
img.dataType = 'FLOAT'
# img.createImage()
img.renderHdr()
img.renderVRT()
img.createImage()
img.finalizeImage()
multConstName = multilook(freqName,
alks=inps.esdAzimuthLooks,
rlks=inps.esdRangeLooks)
factorlist.append(multConstName)
def main(iargs=None):
'''Create overlap interferograms.
'''
inps = cmdLineParse(iargs)
if inps.overlap:
referenceSwathList = ut.getSwathList(
os.path.join(inps.reference, 'overlap'))
secondarySwathList = ut.getSwathList(
os.path.join(inps.secondary, 'overlap'))
else:
referenceSwathList = ut.getSwathList(inps.reference)
secondarySwathList = ut.getSwathList(inps.secondary)
swathList = list(sorted(set(referenceSwathList + secondarySwathList)))
for swath in swathList:
IWstr = 'IW{0}'.format(swath)
if inps.overlap:
ifgdir = os.path.join(inps.interferogram, 'overlap', IWstr)
else:
ifgdir = os.path.join(inps.interferogram, IWstr)
os.makedirs(ifgdir, exist_ok=True)
####Load relevant products
if inps.overlap:
topReference = ut.loadProduct(
os.path.join(inps.reference, 'overlap',
'IW{0}_top.xml'.format(swath)))
botReference = ut.loadProduct(
os.path.join(inps.reference, 'overlap',
'IW{0}_bottom.xml'.format(swath)))
topCoreg = ut.loadProduct(
os.path.join(inps.secondary, 'overlap',
'IW{0}_top.xml'.format(swath)))
botCoreg = ut.loadProduct(
os.path.join(inps.secondary, 'overlap',
'IW{0}_bottom.xml'.format(swath)))
else:
topReference = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
topCoreg = ut.loadProduct(
os.path.join(inps.secondary, 'IW{0}.xml'.format(swath)))
if inps.overlap:
coregdir = os.path.join(inps.secondary, 'overlap',
'IW{0}'.format(swath))
else:
coregdir = os.path.join(inps.secondary, 'IW{0}'.format(swath))
topIfg = ut.coregSwathSLCProduct()
topIfg.configure()
if inps.overlap:
botIfg = ut.coregSwathSLCProduct()
botIfg.configure()
minReference = topReference.bursts[0].burstNumber
maxReference = topReference.bursts[-1].burstNumber
minSecondary = topCoreg.bursts[0].burstNumber
maxSecondary = topCoreg.bursts[-1].burstNumber
minBurst = max(minSecondary, minReference)
maxBurst = min(maxSecondary, maxReference)
print('minSecondary,maxSecondary', minSecondary, maxSecondary)
print('minReference,maxReference', minReference, maxReference)
print('minBurst, maxBurst: ', minBurst, maxBurst)
for ii in range(minBurst, maxBurst + 1):
####Process the top bursts
reference = topReference.bursts[ii - minReference]
secondary = topCoreg.bursts[ii - minSecondary]
print('matching burst numbers: ', reference.burstNumber,
secondary.burstNumber)
referencename = reference.image.filename
secondaryname = secondary.image.filename
if inps.reference_suffix is not None:
referencename = os.path.splitext(referencename)[
0] + inps.reference_suffix + os.path.splitext(
referencename)[1]
if inps.secondary_suffix is not None:
secondaryname = os.path.splitext(secondaryname)[
0] + inps.secondary_suffix + os.path.splitext(
secondaryname)[1]
if inps.overlap:
rdict = {
'rangeOff1':
os.path.join(inps.reference, 'overlap', IWstr,
'range_top_%02d_%02d.off' % (ii, ii + 1)),
'rangeOff2':
os.path.join(inps.secondary, 'overlap', IWstr,
'range_top_%02d_%02d.off' % (ii, ii + 1)),
'azimuthOff':
os.path.join(inps.secondary, 'overlap', IWstr,
'azimuth_top_%02d_%02d.off' % (ii, ii + 1))
}
intname = os.path.join(
ifgdir,
'%s_top_%02d_%02d.int' % (inps.intprefix, ii, ii + 1))
else:
rdict = {
'rangeOff1':
os.path.join(inps.reference, IWstr,
'range_%02d.off' % (ii)),
'rangeOff2':
os.path.join(inps.secondary, IWstr,
'range_%02d.off' % (ii)),
'azimuthOff1':
os.path.join(inps.secondary, IWstr,
'azimuth_%02d.off' % (ii))
}
intname = os.path.join(ifgdir,
'%s_%02d.int' % (inps.intprefix, ii))
ut.adjustCommonValidRegion(reference, secondary)
fact = 4 * np.pi * secondary.rangePixelSize / secondary.radarWavelength
intimage = multiply(referencename,
secondaryname,
intname,
rdict['rangeOff1'],
rdict['rangeOff2'],
fact,
reference,
flatten=inps.flatten)
burst = copy.deepcopy(reference)
burst.image = intimage
burst.burstNumber = ii
topIfg.bursts.append(burst)
if inps.overlap:
####Process the bottom bursts
reference = botReference.bursts[ii - minReference]
secondary = botCoreg.bursts[ii - minSecondary]
referencename = reference.image.filename
secondaryname = secondary.image.filename
# rdict = {'rangeOff' : os.path.join(coregdir, 'range_bot_%02d_%02d.off'%(ii,ii+1)),
# 'azimuthOff': os.path.join(coregdir, 'azimuth_bot_%02d_%02d.off'%(ii,ii+1))}
rdict = {
'rangeOff1':
os.path.join(inps.reference, 'overlap', IWstr,
'range_bot_%02d_%02d.off' % (ii, ii + 1)),
'rangeOff2':
os.path.join(inps.secondary, 'overlap', IWstr,
'range_bot_%02d_%02d.off' % (ii, ii + 1)),
'azimuthOff':
os.path.join(inps.secondary, 'overlap', IWstr,
'azimuth_bot_%02d_%02d.off' % (ii, ii + 1))
}
print('rdict: ', rdict)
ut.adjustCommonValidRegion(reference, secondary)
intname = os.path.join(
ifgdir,
'%s_bot_%02d_%02d.int' % (inps.intprefix, ii, ii + 1))
fact = 4 * np.pi * secondary.rangePixelSize / secondary.radarWavelength
#intimage = multiply(referencename, secondaryname, intname,
# rdict['rangeOff'], fact, reference, flatten=True)
intimage = multiply(referencename,
secondaryname,
intname,
rdict['rangeOff1'],
rdict['rangeOff2'],
fact,
reference,
flatten=inps.flatten)
burst = copy.deepcopy(reference)
burst.burstNumber = ii
burst.image = intimage
botIfg.bursts.append(burst)
topIfg.numberOfBursts = len(topIfg.bursts)
if hasattr(topCoreg, 'reference'):
topIfg.reference = topCoreg.reference
else:
topIfg.reference = topReference.reference
print('Type: ', type(topIfg.reference))
if inps.overlap:
ut.saveProduct(topIfg, ifgdir + '_top.xml')
botIfg.numberOfBursts = len(botIfg.bursts)
botIfg.reference = botCoreg.reference
print(botIfg.reference)
ut.saveProduct(botIfg, ifgdir + '_bottom.xml')
else:
ut.saveProduct(topIfg, ifgdir + '.xml')
def main(iargs=None):
'''
merge bursts
'''
inps = cmdLineParse(iargs)
if inps.rvalid is None:
inps.rvalid = 'strict'
else:
if not (1 <= inps.rvalid <= inps.nrlks):
raise Exception('1<=rvalid<=nrlks')
if inps.avalid is None:
inps.avalid = 'strict'
else:
if not (1 <= inps.avalid <= inps.nalks):
raise Exception('1<=avalid<=nalks')
namePattern = inps.name_pattern.split('*')
frameReferenceList = []
frameProductList = []
burstList = []
swathList = ut.getSwathList(inps.reference)
for swath in swathList:
frameReference = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
minBurst = frameReference.bursts[0].burstNumber
maxBurst = frameReference.bursts[-1].burstNumber
if minBurst == maxBurst:
print('Skipping processing of swath {0}'.format(swath))
continue
frameProduct = ut.loadProduct(
os.path.join(inps.dirname, 'IW{0}.xml'.format(swath)))
minBurst = frameProduct.bursts[0].burstNumber
maxBurst = frameProduct.bursts[-1].burstNumber
if inps.stack is not None:
print(
'Updating the valid region of each burst to the common valid region of the stack'
)
frameStack = ut.loadProduct(
os.path.join(inps.stack, 'IW{0}.xml'.format(swath)))
updateValid(frameReference, frameStack)
updateValid(frameProduct, frameStack)
frameReferenceList.append(frameReference)
if inps.swath is not None:
if swath == inps.swath:
frameProductList.append(frameProduct)
burstList.append([
os.path.join(
inps.dirname, 'IW{0}'.format(swath),
namePattern[0] + '%02d' % (x) + namePattern[1])
for x in range(minBurst, maxBurst + 1)
])
else:
frameProductList.append(frameProduct)
burstList.append([
os.path.join(inps.dirname, 'IW{0}'.format(swath),
namePattern[0] + '%02d' % (x) + namePattern[1])
for x in range(minBurst, maxBurst + 1)
])
os.makedirs(os.path.dirname(inps.outfile), exist_ok=True)
suffix = '.full'
if (inps.nrlks0 == 1) and (inps.nalks0 == 1):
suffix = ''
box = mergeBox(frameReferenceList)
#adjust valid with looks, 'frames' ARE CHANGED AFTER RUNNING THIS
#here numberRangeLooks, instead of numberRangeLooks0, is used, since we need to do next step multilooking after unwrapping. same for numberAzimuthLooks.
(burstValidBox, burstValidBox2,
message) = adjustValidWithLooks(frameProductList,
box,
inps.nalks,
inps.nrlks,
edge=0,
avalid=inps.avalid,
rvalid=inps.rvalid)
mergeBurstsVirtual(frameProductList, burstList, box, inps.outfile + suffix)
if suffix not in ['', None]:
multilook2(inps.outfile + suffix,
outname=inps.outfile,
alks=inps.nalks0,
rlks=inps.nrlks0)
#this is never used for ionosphere correction
else:
print('Skipping multi-looking ....')
def main(iargs=None):
'''Compute baseline.
'''
inps = cmdLineParse(iargs)
from isceobj.Planet.Planet import Planet
import numpy as np
#swathList = self._insar.getInputSwathList(self.swaths)
#commonBurstStartMasterIndex = [-1] * self._insar.numberOfSwaths
#commonBurstStartSlaveIndex = [-1] * self._insar.numberOfSwaths
#numberOfCommonBursts = [0] * self._insar.numberOfSwaths
masterSwathList = ut.getSwathList(inps.master)
slaveSwathList = ut.getSwathList(inps.slave)
swathList = list(sorted(set(masterSwathList + slaveSwathList)))
#catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
baselineDir = os.path.dirname(inps.baselineFile)
if not os.path.exists(baselineDir):
os.makedirs(baselineDir)
f = open(inps.baselineFile, 'w')
for swath in swathList:
masterxml = os.path.join(inps.master, 'IW{0}.xml'.format(swath))
slavexml = os.path.join(inps.slave, 'IW{0}.xml'.format(swath))
if os.path.exists(masterxml) and os.path.exists(slavexml):
master = ut.loadProduct(
os.path.join(inps.master, 'IW{0}.xml'.format(swath)))
slave = ut.loadProduct(
os.path.join(inps.slave, 'IW{0}.xml'.format(swath)))
minMaster = master.bursts[0].burstNumber
maxMaster = master.bursts[-1].burstNumber
minSlave = slave.bursts[0].burstNumber
maxSlave = slave.bursts[-1].burstNumber
minBurst = max(minSlave, minMaster)
maxBurst = min(maxSlave, maxMaster)
print('minSlave,maxSlave', minSlave, maxSlave)
print('minMaster,maxMaster', minMaster, maxMaster)
print('minBurst, maxBurst: ', minBurst, maxBurst)
refElp = Planet(pname='Earth').ellipsoid
Bpar = []
Bperp = []
for ii in range(minBurst, maxBurst + 1):
###Bookkeeping
#commonBurstStartMasterIndex[swath-1] = minBurst
#commonBurstStartSlaveIndex[swath-1] = commonSlaveIndex
#numberOfCommonBursts[swath-1] = numberCommon
#catalog.addItem('IW-{0} Number of bursts in master'.format(swath), master.numberOfBursts, 'baseline')
#catalog.addItem('IW-{0} First common burst in master'.format(swath), minBurst, 'baseline')
#catalog.addItem('IW-{0} Last common burst in master'.format(swath), maxBurst, 'baseline')
#catalog.addItem('IW-{0} Number of bursts in slave'.format(swath), slave.numberOfBursts, 'baseline')
#catalog.addItem('IW-{0} First common burst in slave'.format(swath), minBurst + burstOffset, 'baseline')
#catalog.addItem('IW-{0} Last common burst in slave'.format(swath), maxBurst + burstOffset, 'baseline')
#catalog.addItem('IW-{0} Number of common bursts'.format(swath), numberCommon, 'baseline')
#refElp = Planet(pname='Earth').ellipsoid
#Bpar = []
#Bperp = []
#for boff in [0, numberCommon-1]:
###Baselines at top of common bursts
mBurst = master.bursts[ii - minMaster]
sBurst = slave.bursts[ii - minSlave]
###Target at mid range
tmid = mBurst.sensingMid
rng = mBurst.midRange
masterSV = mBurst.orbit.interpolate(tmid, method='hermite')
target = mBurst.orbit.rdr2geo(tmid, rng)
slvTime, slvrng = sBurst.orbit.geo2rdr(target)
slaveSV = sBurst.orbit.interpolateOrbit(slvTime,
method='hermite')
targxyz = np.array(
refElp.LLH(target[0], target[1],
target[2]).ecef().tolist())
mxyz = np.array(masterSV.getPosition())
mvel = np.array(masterSV.getVelocity())
sxyz = np.array(slaveSV.getPosition())
aa = np.linalg.norm(sxyz - mxyz)
costheta = (rng * rng + aa * aa - slvrng * slvrng) / (2. *
rng * aa)
Bpar.append(aa * costheta)
perp = aa * np.sqrt(1 - costheta * costheta)
direction = np.sign(
np.dot(np.cross(targxyz - mxyz, sxyz - mxyz), mvel))
Bperp.append(direction * perp)
#catalog.addItem('IW-{0} Bpar at midrange for first common burst'.format(swath), Bpar[0], 'baseline')
#catalog.addItem('IW-{0} Bperp at midrange for first common burst'.format(swath), Bperp[0], 'baseline')
#catalog.addItem('IW-{0} Bpar at midrange for last common burst'.format(swath), Bpar[1], 'baseline')
#catalog.addItem('IW-{0} Bperp at midrange for last common burst'.format(swath), Bperp[1], 'baseline')
print('Bprep: ', Bperp)
print('Bpar: ', Bpar)
f.write('swath: IW{0}'.format(swath) + '\n')
f.write('Bperp (average): ' + str(np.mean(Bperp)) + '\n')
f.write('Bpar (average): ' + str(np.mean(Bpar)) + '\n')
f.close()
def main(iargs=None):
'''Compute baseline.
'''
inps = cmdLineParse(iargs)
from isceobj.Planet.Planet import Planet
import numpy as np
referenceSwathList = ut.getSwathList(inps.reference)
secondarySwathList = ut.getSwathList(inps.secondary)
swathList = list(sorted(set(referenceSwathList + secondarySwathList)))
#catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name)
baselineDir = os.path.dirname(inps.baselineFile)
if baselineDir != '':
os.makedirs(baselineDir, exist_ok=True)
referenceswaths = []
secondaryswaths = []
for swath in swathList:
referencexml = os.path.join(inps.reference, 'IW{0}.xml'.format(swath))
secondaryxml = os.path.join(inps.secondary, 'IW{0}.xml'.format(swath))
if os.path.exists(referencexml) and os.path.exists(secondaryxml):
reference = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
secondary = ut.loadProduct(
os.path.join(inps.secondary, 'IW{0}.xml'.format(swath)))
referenceswaths.append(reference)
secondaryswaths.append(secondary)
refElp = Planet(pname='Earth').ellipsoid
mStartingRange = min([x.startingRange for x in referenceswaths])
mFarRange = max([x.farRange for x in referenceswaths])
mSensingStart = min([x.sensingStart for x in referenceswaths])
mSensingStop = max([x.sensingStop for x in referenceswaths])
mOrb = getMergedOrbit(referenceswaths)
dr = referenceswaths[0].bursts[0].rangePixelSize
dt = referenceswaths[0].bursts[0].azimuthTimeInterval
nPixels = int(np.round((mFarRange - mStartingRange) / dr)) + 1
nLines = int(np.round(
(mSensingStop - mSensingStart).total_seconds() / dt)) + 1
sOrb = getMergedOrbit(secondaryswaths)
rangeLimits = mFarRange - mStartingRange
nRange = int(np.ceil(rangeLimits / 7000.))
slantRange = mStartingRange + np.arange(nRange) * rangeLimits / (nRange -
1.0)
azimuthLimits = (mSensingStop - mSensingStart).total_seconds()
nAzimuth = int(np.ceil(azimuthLimits))
azimuthTime = [
mSensingStart + datetime.timedelta(seconds=x * azimuthLimits /
(nAzimuth - 1.0))
for x in range(nAzimuth)
]
Bpar = np.zeros(nRange, dtype=np.float32)
Bperp = np.zeros(nRange, dtype=np.float32)
fid = open(inps.baselineFile, 'wb')
print('Baseline file {0} dims: {1}L x {2}P'.format(inps.baselineFile,
nAzimuth, nRange))
if inps.reference == inps.secondary:
Bperp = np.zeros((nAzimuth, nRange), dtype=np.float32)
Bperp.tofile(fid)
else:
for ii, taz in enumerate(azimuthTime):
referenceSV = mOrb.interpolate(taz, method='hermite')
mxyz = np.array(referenceSV.getPosition())
mvel = np.array(referenceSV.getVelocity())
for jj, rng in enumerate(slantRange):
target = mOrb.rdr2geo(taz, rng)
targxyz = np.array(
refElp.LLH(target[0], target[1],
target[2]).ecef().tolist())
slvTime, slvrng = sOrb.geo2rdr(target)
secondarySV = sOrb.interpolateOrbit(slvTime, method='hermite')
sxyz = np.array(secondarySV.getPosition())
aa = np.linalg.norm(sxyz - mxyz)
costheta = (rng * rng + aa * aa - slvrng * slvrng) / (2. *
rng * aa)
Bpar[jj] = aa * costheta
perp = aa * np.sqrt(1 - costheta * costheta)
direction = np.sign(
np.dot(np.cross(targxyz - mxyz, sxyz - mxyz), mvel))
Bperp[jj] = direction * perp
Bperp.tofile(fid)
fid.close()
####Write XML
img = isceobj.createImage()
img.setFilename(inps.baselineFile)
img.bands = 1
img.scheme = 'BIP'
img.dataType = 'FLOAT'
img.setWidth(nRange)
img.setAccessMode('READ')
img.setLength(nAzimuth)
img.renderHdr()
img.renderVRT()
###Create oversampled VRT file
cmd = 'gdal_translate -of VRT -ot Float32 -r bilinear -outsize {xsize} {ysize} {infile}.vrt {infile}.full.vrt'.format(
xsize=nPixels, ysize=nLines, infile=inps.baselineFile)
status = os.system(cmd)
if status:
raise Exception('cmd: {0} Failed'.format(cmd))
def runGeocode(inps, prodlist, bbox, demfilename, is_offset_mode=False):
'''Generalized geocoding of all the files listed above.'''
from isceobj.Catalog import recordInputsAndOutputs
logger.info("Geocoding Image")
#insar = self._insar
#if (not self.doInSAR) and (not is_offset_mode):
# print('Skipping geocoding as InSAR processing has not been requested ....')
# return
#elif (not self.doDenseOffsets) and (is_offset_mode):
# print('Skipping geocoding as Dense Offsets has not been requested ....')
# return
if isinstance(prodlist,str):
from isceobj.Util.StringUtils import StringUtils as SU
tobeGeocoded = SU.listify(prodlist)
else:
tobeGeocoded = prodlist
#remove files that have not been processed
newlist=[]
for toGeo in tobeGeocoded:
if os.path.exists(toGeo):
newlist.append(toGeo)
tobeGeocoded = newlist
print('Number of products to geocode: ', len(tobeGeocoded))
if len(tobeGeocoded) == 0:
print('No products found to geocode')
return
#swathList = self._insar.getValidSwathList(self.swaths)
referenceSwathList = ut.getSwathList(inps.reference)
secondarySwathList = ut.getSwathList(inps.secondary)
swathList = list(sorted(set(referenceSwathList+secondarySwathList)))
frames = []
for swath in swathList:
#topReference = ut.loadProduct(os.path.join(inps.reference , 'IW{0}.xml'.format(swath)))
referenceProduct = ut.loadProduct(os.path.join(inps.secondary , 'IW{0}.xml'.format(swath)))
#referenceProduct = insar.loadProduct( os.path.join(insar.fineCoregDirname, 'IW{0}.xml'.format(swath)))
frames.append(referenceProduct)
orb = getMergedOrbit(frames)
if bbox is None:
bboxes = []
for frame in frames:
bboxes.append(frame.getBbox())
snwe = [min([x[0] for x in bboxes]),
max([x[1] for x in bboxes]),
min([x[2] for x in bboxes]),
max([x[3] for x in bboxes])]
else:
snwe = list(bbox)
if len(snwe) != 4:
raise ValueError('Bounding box should be a list/tuple of length 4')
###Identify the 4 corners and dimensions
topSwath = min(frames, key = lambda x: x.sensingStart)
leftSwath = min(frames, key = lambda x: x.startingRange)
####Get required values from product
burst = frames[0].bursts[0]
t0 = topSwath.sensingStart
dtaz = burst.azimuthTimeInterval
r0 = leftSwath.startingRange
dr = burst.rangePixelSize
wvl = burst.radarWavelength
planet = Planet(pname='Earth')
###Setup DEM
#demfilename = self.verifyGeocodeDEM()
demImage = isceobj.createDemImage()
demImage.load(demfilename + '.xml')
###Catalog for tracking
#catalog = isceobj.Catalog.createCatalog(insar.procDoc.name)
#catalog.addItem('Dem Used', demfilename, 'geocode')
#####Geocode one by one
first = False
ge = Geocodable()
for prod in tobeGeocoded:
objGeo = createGeozero()
objGeo.configure()
####IF statements to check for user configuration
objGeo.snwe = snwe
objGeo.demImage = demImage
objGeo.demCropFilename = os.path.join(os.path.dirname(demfilename), "dem.crop")
if is_offset_mode: ### If using topsOffsetApp, image has been "pre-looked" by the
objGeo.numberRangeLooks = inps.skipwidth ### skips in runDenseOffsets
objGeo.numberAzimuthLooks = inps.skiphgt
else:
objGeo.numberRangeLooks = inps.numberRangeLooks
objGeo.numberAzimuthLooks = inps.numberAzimuthLooks
objGeo.lookSide = -1 #S1A is currently right looking only
#create the instance of the input image and the appropriate
#geocode method
inImage,method = ge.create(prod)
objGeo.method = method
objGeo.slantRangePixelSpacing = dr
objGeo.prf = 1.0 / dtaz
objGeo.orbit = orb
objGeo.width = inImage.getWidth()
objGeo.length = inImage.getLength()
objGeo.dopplerCentroidCoeffs = [0.]
objGeo.radarWavelength = wvl
if is_offset_mode: ### If using topsOffsetApp, as above, the "pre-looking" adjusts the range/time start
objGeo.rangeFirstSample = r0 + (inps.offset_left-1) * dr
objGeo.setSensingStart( t0 + datetime.timedelta(seconds=((inps.offset_top-1)*dtaz)))
else:
objGeo.rangeFirstSample = r0 + ((inps.numberRangeLooks-1)/2.0) * dr
objGeo.setSensingStart( t0 + datetime.timedelta(seconds=(((inps.numberAzimuthLooks-1)/2.0)*dtaz)))
objGeo.wireInputPort(name='dem', object=demImage)
objGeo.wireInputPort(name='planet', object=planet)
objGeo.wireInputPort(name='tobegeocoded', object=inImage)
objGeo.geocode()
print('Geocoding: ', inImage.filename, 'geocode')
print('Output file: ', inImage.filename + '.geo', 'geocode')
print('Width', inImage.width, 'geocode')
print('Length', inImage.length, 'geocode')
print('Range looks', inps.numberRangeLooks, 'geocode')
print('Azimuth looks', inps.numberAzimuthLooks, 'geocode')
print('South' , objGeo.minimumGeoLatitude, 'geocode')
print('North', objGeo.maximumGeoLatitude, 'geocode')
print('West', objGeo.minimumGeoLongitude, 'geocode')
print('East', objGeo.maximumGeoLongitude, 'geocode')
def main(iargs=None):
'''
Merge burst products to make it look like stripmap.
Currently will merge interferogram, lat, lon, z and los.
'''
inps=cmdLineParse(iargs)
virtual = inps.useVirtualFiles
swathList = ut.getSwathList(inps.master)
referenceFrames = []
frames=[]
fileList = []
namePattern = inps.namePattern.split('*')
for swath in swathList:
ifg = ut.loadProduct(os.path.join(inps.master , 'IW{0}.xml'.format(swath)))
if inps.stack:
stack = ut.loadProduct(os.path.join(inps.stack , 'IW{0}.xml'.format(swath)))
if inps.isaligned:
reference = ifg.reference
else:
reference = ifg
minBurst = ifg.bursts[0].burstNumber
maxBurst = ifg.bursts[-1].burstNumber
if minBurst==maxBurst:
print('Skipping processing of swath {0}'.format(swath))
continue
if inps.stack:
minStack = stack.bursts[0].burstNumber
print('Updating the valid region of each burst to the common valid region of the stack')
####Updating the valid region of each burst to the common valid region of the stack
for ii in range(minBurst, maxBurst + 1):
ifg.bursts[ii-minBurst].firstValidLine = stack.bursts[ii-minStack].firstValidLine
ifg.bursts[ii-minBurst].firstValidSample = stack.bursts[ii-minStack].firstValidSample
ifg.bursts[ii-minBurst].numValidLines = stack.bursts[ii-minStack].numValidLines
ifg.bursts[ii-minBurst].numValidSamples = stack.bursts[ii-minStack].numValidSamples
frames.append(ifg)
referenceFrames.append(reference)
print('bursts: ', minBurst, maxBurst)
fileList.append([os.path.join(inps.dirname, 'IW{0}'.format(swath), namePattern[0] + '_%02d.%s'%(x,namePattern[1])) for x in range(minBurst, maxBurst+1)])
mergedir = os.path.dirname(inps.outfile)
os.makedirs(mergedir, exist_ok=True)
suffix = '.full'
if (inps.numberRangeLooks == 1) and (inps.numberAzimuthLooks==1):
suffix=''
####Virtual flag is ignored for multi-swath data
if (not virtual):
print('User requested for multi-swath stitching.')
print('Virtual files are the only option for this.')
print('Proceeding with virtual files.')
mergeBurstsVirtual(frames, referenceFrames, fileList, inps.outfile+suffix, validOnly=inps.validOnly)
if (not virtual):
print('writing merged file to disk ...')
cmd = 'gdal_translate -of ENVI -co INTERLEAVE=BIL ' + inps.outfile + suffix + '.vrt ' + inps.outfile + suffix
os.system(cmd)
print(inps.multilook)
if inps.multilook:
multilook(inps.outfile+suffix, outname = inps.outfile,
alks = inps.numberAzimuthLooks, rlks=inps.numberRangeLooks,
multilook_tool=inps.multilookTool, no_data=inps.noData)
else:
print('Skipping multi-looking ....')
def main(iargs=None):
'''Create overlap interferograms.
'''
inps=cmdLineParse(iargs)
if inps.overlap:
masterSwathList = ut.getSwathList(os.path.join(inps.master, 'overlap'))
slaveSwathList = ut.getSwathList(os.path.join(inps.slave, 'overlap'))
else:
masterSwathList = ut.getSwathList(inps.master)
slaveSwathList = ut.getSwathList(inps.slave)
swathList = list(sorted(set(masterSwathList+slaveSwathList)))
for swath in swathList:
IWstr = 'IW{0}'.format(swath)
if inps.overlap:
ifgdir = os.path.join(inps.interferogram, 'overlap', 'IW{0}'.format(swath))
else:
ifgdir = os.path.join(inps.interferogram, 'IW{0}'.format(swath))
if not os.path.exists(ifgdir):
os.makedirs(ifgdir)
####Load relevant products
if inps.overlap:
topMaster = ut.loadProduct(os.path.join(inps.master , 'overlap','IW{0}_top.xml'.format(swath)))
botMaster = ut.loadProduct(os.path.join(inps.master ,'overlap', 'IW{0}_bottom.xml'.format(swath)))
topCoreg = ut.loadProduct(os.path.join(inps.slave, 'overlap', 'IW{0}_top.xml'.format(swath)))
botCoreg = ut.loadProduct(os.path.join(inps.slave, 'overlap', 'IW{0}_bottom.xml'.format(swath)))
else:
topMaster = ut.loadProduct(os.path.join(inps.master , 'IW{0}.xml'.format(swath)))
topCoreg = ut.loadProduct(os.path.join(inps.slave , 'IW{0}.xml'.format(swath)))
if inps.overlap:
coregdir = os.path.join(inps.slave, 'overlap', 'IW{0}'.format(swath))
else:
coregdir = os.path.join(inps.slave,'IW{0}'.format(swath))
topIfg = ut.coregSwathSLCProduct()
topIfg.configure()
if inps.overlap:
botIfg = ut.coregSwathSLCProduct()
botIfg.configure()
minMaster = topMaster.bursts[0].burstNumber
maxMaster = topMaster.bursts[-1].burstNumber
minSlave = topCoreg.bursts[0].burstNumber
maxSlave = topCoreg.bursts[-1].burstNumber
minBurst = max(minSlave, minMaster)
maxBurst = min(maxSlave, maxMaster)
print ('minSlave,maxSlave',minSlave, maxSlave)
print ('minMaster,maxMaster',minMaster, maxMaster)
print ('minBurst, maxBurst: ', minBurst, maxBurst)
for ii in range(minBurst, maxBurst + 1):
####Process the top bursts
master = topMaster.bursts[ii-minMaster]
slave = topCoreg.bursts[ii-minSlave]
print('matching burst numbers: ',master.burstNumber, slave.burstNumber)
mastername = master.image.filename
slavename = slave.image.filename
if inps.overlap:
rdict = { 'rangeOff1' : os.path.join(inps.master, 'overlap', IWstr, 'range_top_%02d_%02d.off'%(ii,ii+1)),
'rangeOff2' : os.path.join(inps.slave, 'overlap', IWstr, 'range_top_%02d_%02d.off'%(ii,ii+1)),
'azimuthOff': os.path.join(inps.slave, 'overlap', IWstr, 'azimuth_top_%02d_%02d.off'%(ii,ii+1))}
intname = os.path.join(ifgdir, '%s_top_%02d_%02d.int'%(inps.intprefix,ii,ii+1))
else:
rdict = {'rangeOff1' : os.path.join(inps.master, IWstr, 'range_%02d.off'%(ii)),
'rangeOff2' : os.path.join(inps.slave, IWstr, 'range_%02d.off'%(ii)),
'azimuthOff1': os.path.join(inps.slave, IWstr, 'azimuth_%02d.off'%(ii))}
intname = os.path.join(ifgdir, '%s_%02d.int'%(inps.intprefix,ii))
ut.adjustCommonValidRegion(master,slave)
fact = 4 * np.pi * slave.rangePixelSize / slave.radarWavelength
intimage = multiply(mastername, slavename, intname,
rdict['rangeOff1'], rdict['rangeOff2'], fact, master, flatten=inps.flatten)
burst = copy.deepcopy(master)
burst.image = intimage
burst.burstNumber = ii
topIfg.bursts.append(burst)
if inps.overlap:
####Process the bottom bursts
master = botMaster.bursts[ii-minMaster]
slave = botCoreg.bursts[ii-minSlave]
mastername = master.image.filename
slavename = slave.image.filename
# rdict = {'rangeOff' : os.path.join(coregdir, 'range_bot_%02d_%02d.off'%(ii,ii+1)),
# 'azimuthOff': os.path.join(coregdir, 'azimuth_bot_%02d_%02d.off'%(ii,ii+1))}
rdict = { 'rangeOff1' : os.path.join(inps.master, 'overlap', IWstr, 'range_bot_%02d_%02d.off'%(ii,ii+1)),
'rangeOff2' : os.path.join(inps.slave, 'overlap', IWstr, 'range_bot_%02d_%02d.off'%(ii,ii+1)),
'azimuthOff': os.path.join(inps.slave, 'overlap', IWstr, 'azimuth_bot_%02d_%02d.off'%(ii,ii+1))}
print ('rdict: ', rdict)
ut.adjustCommonValidRegion(master,slave)
intname = os.path.join(ifgdir, '%s_bot_%02d_%02d.int'%(inps.intprefix,ii,ii+1))
fact = 4 * np.pi * slave.rangePixelSize / slave.radarWavelength
#intimage = multiply(mastername, slavename, intname,
# rdict['rangeOff'], fact, master, flatten=True)
intimage = multiply(mastername, slavename, intname,
rdict['rangeOff1'], rdict['rangeOff2'], fact, master, flatten=inps.flatten)
burst = copy.deepcopy(master)
burst.burstNumber = ii
burst.image = intimage
botIfg.bursts.append(burst)
topIfg.numberOfBursts = len(topIfg.bursts)
if hasattr(topCoreg, 'reference'):
topIfg.reference = topCoreg.reference
else:
topIfg.reference = topMaster.reference
print('Type: ',type(topIfg.reference))
if inps.overlap:
ut.saveProduct(topIfg, ifgdir + '_top.xml')
botIfg.numberOfBursts = len(botIfg.bursts)
botIfg.reference = botCoreg.reference
print(botIfg.reference)
ut.saveProduct(botIfg, ifgdir + '_bottom.xml')
else:
ut.saveProduct(topIfg, ifgdir + '.xml')
def main(iargs=None):
'''
Create coregistered overlap secondarys.
'''
inps = cmdLineParse(iargs)
referenceSwathList = ut.getSwathList(inps.reference)
secondarySwathList = ut.getSwathList(inps.secondary)
swathList = list(sorted(set(referenceSwathList + secondarySwathList)))
for swath in swathList:
####Load secondary metadata
reference = ut.loadProduct(
os.path.join(inps.reference, 'IW{0}.xml'.format(swath)))
secondary = ut.loadProduct(
os.path.join(inps.secondary, 'IW{0}.xml'.format(swath)))
if inps.overlap:
referenceTop = ut.loadProduct(
os.path.join(inps.reference, inps.overlapDir,
'IW{0}_top.xml'.format(swath)))
referenceBottom = ut.loadProduct(
os.path.join(inps.reference, inps.overlapDir,
'IW{0}_bottom.xml'.format(swath)))
dt = secondary.bursts[0].azimuthTimeInterval
dr = secondary.bursts[0].rangePixelSize
if os.path.exists(str(inps.misreg_az)):
with open(inps.misreg_az, 'r') as f:
misreg_az = float(f.readline())
else:
misreg_az = 0.0
if os.path.exists(str(inps.misreg_rng)):
with open(inps.misreg_rng, 'r') as f:
misreg_rg = float(f.readline())
else:
misreg_rg = 0.0
###Output directory for coregistered SLCs
if not inps.overlap:
outdir = os.path.join(inps.coreg, 'IW{0}'.format(swath))
offdir = os.path.join(inps.coreg, 'IW{0}'.format(swath))
else:
outdir = os.path.join(inps.coreg, inps.overlapDir,
'IW{0}'.format(swath))
offdir = os.path.join(inps.coreg, inps.overlapDir,
'IW{0}'.format(swath))
os.makedirs(outdir, exist_ok=True)
####Indices w.r.t reference
burstoffset, minBurst, maxBurst = reference.getCommonBurstLimits(
secondary)
secondaryBurstStart = minBurst + burstoffset
secondaryBurstEnd = maxBurst
relShifts = ut.getRelativeShifts(reference, secondary, minBurst,
maxBurst, secondaryBurstStart)
print('Shifts: ', relShifts)
if inps.overlap:
maxBurst = maxBurst - 1 ###For overlaps
####Can corporate known misregistration here
apoly = Poly2D()
apoly.initPoly(rangeOrder=0, azimuthOrder=0, coeffs=[[0.]])
rpoly = Poly2D()
rpoly.initPoly(rangeOrder=0, azimuthOrder=0, coeffs=[[0.]])
#topCoreg = createTOPSSwathSLCProduct()
topCoreg = ut.coregSwathSLCProduct()
topCoreg.configure()
if inps.overlap:
botCoreg = ut.coregSwathSLCProduct()
botCoreg.configure()
for ii in range(minBurst, maxBurst):
jj = secondaryBurstStart + ii - minBurst
if inps.overlap:
botBurst = referenceBottom.bursts[ii]
topBurst = referenceTop.bursts[ii]
else:
topBurst = reference.bursts[ii]
secBurst = secondary.bursts[jj]
#####Top burst processing
try:
offset = relShifts[jj]
except:
raise Exception(
'Trying to access shift for secondary burst index {0}, which may not overlap with reference'
.format(jj))
if inps.overlap:
outname = os.path.join(
outdir, 'burst_top_%02d_%02d.slc' % (ii + 1, ii + 2))
####Setup initial polynomials
### If no misregs are given, these are zero
### If provided, can be used for resampling without running to geo2rdr again for fast results
rdict = {
'azpoly':
apoly,
'rgpoly':
rpoly,
'rangeOff':
os.path.join(offdir,
'range_top_%02d_%02d.off' % (ii + 1, ii + 2)),
'azimuthOff':
os.path.join(
offdir, 'azimuth_top_%02d_%02d.off' % (ii + 1, ii + 2))
}
###For future - should account for azimuth and range misreg here .. ignoring for now.
azCarrPoly, dpoly = secondary.estimateAzimuthCarrierPolynomials(
secBurst, offset=-1.0 * offset)
rdict['carrPoly'] = azCarrPoly
rdict['doppPoly'] = dpoly
outimg = resampSecondary(topBurst, secBurst, rdict, outname,
(not inps.noflat))
copyBurst = copy.deepcopy(topBurst)
ut.adjustValidSampleLine(copyBurst)
copyBurst.image.filename = outimg.filename
print('After: ', copyBurst.firstValidLine,
copyBurst.numValidLines)
topCoreg.bursts.append(copyBurst)
#######################################################
secBurst = secondary.bursts[jj + 1]
outname = os.path.join(
outdir, 'burst_bot_%02d_%02d.slc' % (ii + 1, ii + 2))
####Setup initial polynomials
### If no misregs are given, these are zero
### If provided, can be used for resampling without running to geo2rdr again for fast results
rdict = {
'azpoly':
apoly,
'rgpoly':
rpoly,
'rangeOff':
os.path.join(offdir,
'range_bot_%02d_%02d.off' % (ii + 1, ii + 2)),
'azimuthOff':
os.path.join(
offdir, 'azimuth_bot_%02d_%02d.off' % (ii + 1, ii + 2))
}
azCarrPoly, dpoly = secondary.estimateAzimuthCarrierPolynomials(
secBurst, offset=-1.0 * offset)
rdict['carrPoly'] = azCarrPoly
rdict['doppPoly'] = dpoly
outimg = resampSecondary(botBurst, secBurst, rdict, outname,
(not inps.noflat))
copyBurst = copy.deepcopy(botBurst)
ut.adjustValidSampleLine(copyBurst)
copyBurst.image.filename = outimg.filename
print('After: ', copyBurst.firstValidLine,
copyBurst.numValidLines)
botCoreg.bursts.append(copyBurst)
#######################################################
else:
outname = os.path.join(outdir, 'burst_%02d.slc' % (ii + 1))
####Setup initial polynomials
### If no misregs are given, these are zero
### If provided, can be used for resampling without running to geo2rdr again for fast results
rdict = {
'azpoly':
apoly,
'rgpoly':
rpoly,
'rangeOff':
os.path.join(offdir, f'range{suffix}_{ii+1:02d}.off'),
'azimuthOff':
os.path.join(offdir, f'azimuth{suffix}_{ii+1:02d}.off')
}
###For future - should account for azimuth and range misreg here .. ignoring for now.
azCarrPoly, dpoly = secondary.estimateAzimuthCarrierPolynomials(
secBurst, offset=-1.0 * offset)
rdict['carrPoly'] = azCarrPoly
rdict['doppPoly'] = dpoly
outimg = resampSecondary(topBurst, secBurst, rdict, outname,
(not inps.noflat))
minAz, maxAz, minRg, maxRg = ut.getValidLines(
secBurst,
rdict,
outname,
misreg_az=misreg_az - offset,
misreg_rng=misreg_rg)
copyBurst = copy.deepcopy(topBurst)
ut.adjustValidSampleLine_V2(copyBurst,
secBurst,
minAz=minAz,
maxAz=maxAz,
minRng=minRg,
maxRng=maxRg)
copyBurst.image.filename = outimg.filename
print('After: ', copyBurst.firstValidLine,
copyBurst.numValidLines)
topCoreg.bursts.append(copyBurst)
#######################################################
topCoreg.numberOfBursts = len(topCoreg.bursts)
topCoreg.source = ut.asBaseClass(secondary)
if inps.overlap:
botCoreg.numberOfBursts = len(botCoreg.bursts)
topCoreg.reference = ut.asBaseClass(referenceTop)
botCoreg.reference = ut.asBaseClass(referenceBottom)
botCoreg.source = ut.asBaseClass(secondary)
ut.saveProduct(topCoreg, outdir + '_top.xml')
ut.saveProduct(botCoreg, outdir + '_bottom.xml')
else:
topCoreg.reference = reference
ut.saveProduct(topCoreg, outdir + '.xml')
def main(iargs=None):
'''
Create coregistered overlap secondarys.
'''
inps = cmdLineParse(iargs)
referenceSwathList = ut.getSwathList(inps.reference)
secondarySwathList = ut.getSwathList(inps.secondary)
swathList = list(sorted(set(referenceSwathList+secondarySwathList)))
#if os.path.abspath(inps.reference) == os.path.abspath(inps.secondary):
# print('secondary is the same as reference, only performing subband filtering')
for swath in swathList:
####Load secondary metadata
reference = ut.loadProduct( os.path.join(inps.reference , 'IW{0}.xml'.format(swath)))
secondary = ut.loadProduct( os.path.join(inps.secondary , 'IW{0}.xml'.format(swath)))
if os.path.exists(str(inps.misreg_az)):
with open(inps.misreg_az, 'r') as f:
misreg_az = float(f.readline())
else:
misreg_az = 0.0
if os.path.exists(str(inps.misreg_rng)):
with open(inps.misreg_rng, 'r') as f:
misreg_rg = float(f.readline())
else:
misreg_rg = 0.0
###Output directory for coregistered SLCs
outdir = os.path.join(inps.coreg,'IW{0}'.format(swath))
offdir = os.path.join(inps.coreg,'IW{0}'.format(swath))
os.makedirs(outdir, exist_ok=True)
####Indices w.r.t reference
burstoffset, minBurst, maxBurst = reference.getCommonBurstLimits(secondary)
secondaryBurstStart = minBurst + burstoffset
secondaryBurstEnd = maxBurst
relShifts = ut.getRelativeShifts(reference, secondary, minBurst, maxBurst, secondaryBurstStart)
print('Shifts: ', relShifts)
####Can corporate known misregistration here
apoly = Poly2D()
apoly.initPoly(rangeOrder=0,azimuthOrder=0,coeffs=[[0.]])
rpoly = Poly2D()
rpoly.initPoly(rangeOrder=0,azimuthOrder=0,coeffs=[[0.]])
#slvCoreg = createTOPSSwathSLCProduct()
slvCoreg = ut.coregSwathSLCProduct()
slvCoreg.configure()
for ii in range(minBurst, maxBurst):
outname = os.path.join(outdir, 'burst_%02d.slc'%(ii+1))
outnameLower = os.path.splitext(outname)[0]+'_lower.slc'
outnameUpper = os.path.splitext(outname)[0]+'_upper.slc'
if os.path.exists(outnameLower) and os.path.exists(outnameLower+'.vrt') and os.path.exists(outnameLower+'.xml') and \
os.path.exists(outnameUpper) and os.path.exists(outnameUpper+'.vrt') and os.path.exists(outnameUpper+'.xml'):
print('burst %02d already processed, skip...'%(ii+1))
continue
jj = secondaryBurstStart + ii - minBurst
masBurst = reference.bursts[ii]
slvBurst = secondary.bursts[jj]
#####Top burst processing
try:
offset = relShifts[jj]
except:
raise Exception('Trying to access shift for secondary burst index {0}, which may not overlap with reference'.format(jj))
####Setup initial polynomials
### If no misregs are given, these are zero
### If provided, can be used for resampling without running to geo2rdr again for fast results
rdict = {'azpoly' : apoly,
'rgpoly' : rpoly,
'rangeOff' : os.path.join(offdir, 'range_%02d.off'%(ii+1)),
'azimuthOff': os.path.join(offdir, 'azimuth_%02d.off'%(ii+1))}
###For future - should account for azimuth and range misreg here .. ignoring for now.
azCarrPoly, dpoly = secondary.estimateAzimuthCarrierPolynomials(slvBurst, offset = -1.0 * offset)
rdict['carrPoly'] = azCarrPoly
rdict['doppPoly'] = dpoly
#subband filtering
from Stack import ionParam
from isceobj.Constants import SPEED_OF_LIGHT
rangeSamplingRate = SPEED_OF_LIGHT / (2.0 * slvBurst.rangePixelSize)
ionParamObj=ionParam()
ionParamObj.configure()
lower_tmpfile = os.path.splitext(slvBurst.image.filename)[0]+'_lower_tmp.slc'
upper_tmpfile = os.path.splitext(slvBurst.image.filename)[0]+'_upper_tmp.slc'
outputfile = [lower_tmpfile, upper_tmpfile]
bw = [ionParamObj.rgBandwidthSub / rangeSamplingRate, ionParamObj.rgBandwidthSub / rangeSamplingRate]
bc = [-ionParamObj.rgBandwidthForSplit / 3.0 / rangeSamplingRate, ionParamObj.rgBandwidthForSplit / 3.0 / rangeSamplingRate]
rgRef = ionParamObj.rgRef
subband(slvBurst, 2, outputfile, bw, bc, rgRef, True)
#resampling
slvBurst.radarWavelength = ionParamObj.radarWavelengthLower
slvBurst.image.filename = lower_tmpfile
outnameSubband = outnameLower
outimg = resampSecondary(masBurst, slvBurst, rdict, outnameSubband, (not inps.noflat))
slvBurst.radarWavelength = ionParamObj.radarWavelengthUpper
slvBurst.image.filename = upper_tmpfile
outnameSubband = outnameUpper
outimg = resampSecondary(masBurst, slvBurst, rdict, outnameSubband, (not inps.noflat))
#remove original subband images
os.remove(lower_tmpfile)
os.remove(lower_tmpfile+'.vrt')
os.remove(lower_tmpfile+'.xml')
os.remove(upper_tmpfile)
os.remove(upper_tmpfile+'.vrt')
os.remove(upper_tmpfile+'.xml')