def unwrap(self):
with isceobj.contextIntImage(filename=self.wrapName,
width=self.width,
accessMode='read') as intImage:
with isceobj.contextOffsetImage(filename=self.corName,
width=self.width,
accessMode='read') as cohImage:
with isceobj.contextIntImage(filename=self.unwrapName,
width=self.width,
accessMode='write') as unwImage:
grs = Grass()
grs.wireInputPort(name='interferogram', object=intImage)
grs.wireInputPort(name='correlation', object=cohImage)
grs.wireOutputPort(name='unwrapped interferogram',
object=unwImage)
grs.unwrap()
unwImage.renderHdr()
pass
pass
pass
return None
def fGrass(widthInt, topoflatIntFilename):
with isceobj.contextIntImage(
filename=topoflatIntFilename,
width=widthInt,
accessMode='read') as intImage:
## Note: filename is extecpted to end in'.flat'- what
## if it doesn't??? Use:
## os.path.extsep + topoflatIntFilename.split(os.path.extsep)[-1]
with isceobj.contextOffsetImage(
filename=topoflatIntFilename.replace('.flat', '.cor'),
width=widthInt,
accessMode='write') as cohImage:
with isceobj.contextIntImage(
filename=topoflatIntFilename.replace('.flat', '.unw'),
width=widthInt,
accessMode='write') as unwImage:
grass = Grass()
grass.wireInputPort(name='interferogram', object=intImage)
grass.wireInputPort(name='correlation', object=cohImage)
grass.wireOutputPort(name='unwrapped interferogram', object=unwImage)
grass.unwrap()
pass
pass
pass
return None
def run(width, infos, sceneid='NO_ID'):
logger.info("Unwrapping interferogram using Grass: %s" % sceneid)
wrapName = infos['outputPath'] + '.' + infos['topophaseFlatFilename']
unwrapName = infos['outputPath'] + '.' + infos['unwrappedIntFilename']
corName = infos['outputPath'] + '.' + infos['coherenceFilename']
with isceobj.contextIntImage(filename=wrapName,
width=width,
accessMode='read') as intImage:
with isceobj.contextOffsetImage(filename=corName,
width=width,
accessMode='read') as cohImage:
with isceobj.contextUnwImage(filename=unwrapName,
width=width,
accessMode='write') as unwImage:
grs = Grass(name='insarapp_grass')
grs.configure()
grs.wireInputPort(name='interferogram', object=intImage)
grs.wireInputPort(name='correlation', object=cohImage)
grs.wireInputPort(name='unwrapped interferogram',
object=unwImage)
grs.unwrap()
unwImage.renderHdr()
def runUnwrap(self):
wrapName = self.insar.topophaseFlatFilename
unwrapName = self.insar.unwrappedIntFilename
corName = self.insar.coherenceFilename
width = self.insar.resampIntImage.width
with isceobj.contextIntImage(filename=wrapName,
width=width,
accessMode='read') as intImage:
with isceobj.contextOffsetImage(filename=corName,
width=width,
accessMode='read') as cohImage:
with isceobj.contextUnwImage(filename=unwrapName,
width=width,
accessMode='write') as unwImage:
grs = Grass(name='insarapp_grass')
grs.configure()
grs.wireInputPort(name='interferogram', object=intImage)
grs.wireInputPort(name='correlation', object=cohImage)
grs.wireInputPort(name='unwrapped interferogram',
object=unwImage)
grs.unwrap()
unwImage.renderHdr()
pass
pass
pass
return None
def runUnwrap(self, igramSpectrum="full"):
if igramSpectrum == "full":
ifgDirname = self.insar.ifgDirname
elif igramSpectrum == "low":
if not self.doDispersive:
print(
'Estimating dispersive phase not requested ... skipping sub-band interferogram unwrapping'
)
return
ifgDirname = os.path.join(self.insar.ifgDirname,
self.insar.lowBandSlcDirname)
elif igramSpectrum == "high":
if not self.doDispersive:
print(
'Estimating dispersive phase not requested ... skipping sub-band interferogram unwrapping'
)
return
ifgDirname = os.path.join(self.insar.ifgDirname,
self.insar.highBandSlcDirname)
wrapName = os.path.join(ifgDirname, 'filt_' + self.insar.ifgFilename)
if '.flat' in wrapName:
unwrapName = wrapName.replace('.flat', '.unw')
elif '.int' in wrapName:
unwrapName = wrapName.replace('.int', '.unw')
else:
unwrapName = wrapName + '.unw'
corName = os.path.join(ifgDirname, self.insar.coherenceFilename)
img1 = isceobj.createImage()
img1.load(wrapName + '.xml')
width = img1.getWidth()
with isceobj.contextIntImage(filename=wrapName,
width=width,
accessMode='read') as intImage:
with isceobj.contextOffsetImage(filename=corName,
width=width,
accessMode='read') as cohImage:
with isceobj.contextUnwImage(filename=unwrapName,
width=width,
accessMode='write') as unwImage:
grs = Grass(name='stripmapapp_grass')
grs.configure()
grs.wireInputPort(name='interferogram', object=intImage)
grs.wireInputPort(name='correlation', object=cohImage)
grs.wireInputPort(name='unwrapped interferogram',
object=unwImage)
grs.unwrap()
unwImage.renderHdr()
pass
pass
pass
return None