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from coregSwathSLCProduct import coregSwathSLCProduct
import isce
import isceobj
import os
#from isceobj.Sensor.TOPS.coregSwathSLCProduct import coregSwathSLCProduct
class catalog(object):
def __init__(self):
pass
def addItem(self,*args):
print(' '.join([str(x) for x in args]))
def loadProduct(xmlname):
'''
Load the product using Product Manager.
'''
from iscesys.Component.ProductManager import ProductManager as PM
pm = PM()
pm.configure()
obj = pm.loadProduct(xmlname)
return obj
def saveProduct( obj, xmlname):
'''
Save the product to an XML file using Product Manager.
'''
import shelve
import os
with shelve.open(os.path.dirname(xmlname) + '/'+ os.path.basename(xmlname) +'.data') as db:
db['data'] = obj
from iscesys.Component.ProductManager import ProductManager as PM
pm = PM()
pm.configure()
pm.dumpProduct(obj, xmlname)
return None
def getRelativeShifts(mFrame, sFrame, minBurst, maxBurst, secondaryBurstStart):
'''
Estimate the relative shifts between the start of the bursts.
'''
import numpy as np
azReferenceOff = {}
azSecondaryOff = {}
azRelOff = {}
tm = mFrame.bursts[minBurst].sensingStart
dt = mFrame.bursts[minBurst].azimuthTimeInterval
ts = sFrame.bursts[secondaryBurstStart].sensingStart
for index in range(minBurst, maxBurst):
burst = mFrame.bursts[index]
azReferenceOff[index] = int(np.round((burst.sensingStart - tm).total_seconds() / dt))
burst = sFrame.bursts[secondaryBurstStart + index - minBurst]
azSecondaryOff[secondaryBurstStart + index - minBurst] = int(np.round((burst.sensingStart - ts).total_seconds() / dt))
azRelOff[secondaryBurstStart + index - minBurst] = azSecondaryOff[secondaryBurstStart + index - minBurst] - azReferenceOff[index]
return azRelOff
def adjustValidSampleLine(reference, minAz=0, maxAz=0, minRng=0, maxRng=0):
import numpy as np
import isce
import isceobj
# Valid region in the resampled slc based on offsets
####Adjust valid samples and first valid sample here
print ("Adjust valid samples")
print('Before: ', reference.firstValidSample, reference.numValidSamples)
print('Offsets : ', minRng, maxRng)
if (minRng > 0) and (maxRng > 0):
reference.numValidSamples -= (int(np.ceil(maxRng)) + 8)
reference.firstValidSample += 4
elif (minRng < 0) and (maxRng < 0):
reference.firstValidSample -= int(np.floor(minRng) - 4)
reference.numValidSamples += int(np.floor(minRng) - 8)
elif (minRng < 0) and (maxRng > 0):
reference.firstValidSample -= int(np.floor(minRng) - 4)
reference.numValidSamples += int(np.floor(minRng) - 8) - int(np.ceil(maxRng))
print('After: ', reference.firstValidSample, reference.numValidSamples)
###Adjust valid lines and first valid line here
print ("Adjust valid lines")
print('Before: ', reference.firstValidLine, reference.numValidLines)
print('Offsets : ', minAz, maxAz)
if (minAz > 0) and (maxAz > 0):
reference.numValidLines -= (int(np.ceil(maxAz)) + 8)
reference.firstValidLine += 4
elif (minAz < 0) and (maxAz < 0):
reference.firstValidLine -= int(np.floor(minAz) - 4)
reference.numValidLines += int(np.floor(minAz) - 8)
elif (minAz < 0) and (maxAz > 0):
reference.firstValidLine -= int(np.floor(minAz) - 4)
reference.numValidLines += int(np.floor(minAz) - 8) - int(np.ceil(maxAz))
print('After:', reference.firstValidLine, reference.numValidLines)
def adjustValidSampleLine_V2(reference, secondary, minAz=0, maxAz=0, minRng=0, maxRng=0):
import numpy as np
import isce
import isceobj
####Adjust valid samples and first valid sample here
print ("Adjust valid samples")
print('Before: ', reference.firstValidSample, reference.numValidSamples)
print('Offsets : ', minRng, maxRng)
if (minRng > 0) and (maxRng > 0):
reference.firstValidSample = secondary.firstValidSample - int(np.floor(maxRng)-4)
lastValidSample = reference.firstValidSample - 8 + secondary.numValidSamples
if lastValidSample < reference.numberOfSamples:
reference.numValidSamples = secondary.numValidSamples - 8
else:
reference.numValidSamples = reference.numberOfSamples - reference.firstValidSample
elif (minRng < 0) and (maxRng < 0):
reference.firstValidSample = secondary.firstValidSample - int(np.floor(minRng) - 4)
lastValidSample = reference.firstValidSample + secondary.numValidSamples - 8
if lastValidSample < reference.numberOfSamples:
reference.numValidSamples = secondary.numValidSamples - 8
else:
reference.numValidSamples = reference.numberOfSamples - reference.firstValidSample
elif (minRng < 0) and (maxRng > 0):
reference.firstValidSample = secondary.firstValidSample - int(np.floor(minRng) - 4)
lastValidSample = reference.firstValidSample + secondary.numValidSamples + int(np.floor(minRng) - 8) - int(np.ceil(maxRng))
if lastValidSample < reference.numberOfSamples:
reference.numValidSamples = secondary.numValidSamples + int(np.floor(minRng) - 8) - int(np.ceil(maxRng))
else:
reference.numValidSamples = reference.numberOfSamples - reference.firstValidSample
reference.firstValidSample = np.max([0, reference.firstValidSample])
print('After: ', reference.firstValidSample, reference.numValidSamples)
###Adjust valid lines and first valid line here
print ("Adjust valid lines")
print('Before: ', reference.firstValidLine, reference.numValidLines)
print('Offsets : ', minAz, maxAz)
if (minAz > 0) and (maxAz > 0):
reference.firstValidLine = secondary.firstValidLine - int(np.floor(maxAz) - 4)
lastValidLine = reference.firstValidLine - 8 + secondary.numValidLines
if lastValidLine < reference.numberOfLines:
reference.numValidLines = secondary.numValidLines - 8
else:
reference.numValidLines = reference.numberOfLines - reference.firstValidLine
elif (minAz < 0) and (maxAz < 0):
reference.firstValidLine = secondary.firstValidLine - int(np.floor(minAz) - 4)
lastValidLine = reference.firstValidLine + secondary.numValidLines - 8
if lastValidLine < reference.numberOfLines:
reference.numValidLines = secondary.numValidLines - 8
else:
reference.numValidLines = reference.numberOfLines - reference.firstValidLine
elif (minAz < 0) and (maxAz > 0):
reference.firstValidLine = secondary.firstValidLine - int(np.floor(minAz) - 4)
lastValidLine = reference.firstValidLine + secondary.numValidLines + int(np.floor(minAz) - 8) - int(np.ceil(maxAz))
if lastValidLine < reference.numberOfLines:
reference.numValidLines = secondary.numValidLines + int(np.floor(minAz) - 8) - int(np.ceil(maxAz))
else:
reference.numValidLines = reference.numberOfLines - reference.firstValidLine
return reference
def adjustCommonValidRegion(reference,secondary):
# valid lines between reference and secondary
reference_lastValidLine = reference.firstValidLine + reference.numValidLines - 1
reference_lastValidSample = reference.firstValidSample + reference.numValidSamples - 1
secondary_lastValidLine = secondary.firstValidLine + secondary.numValidLines - 1
secondary_lastValidSample = secondary.firstValidSample + secondary.numValidSamples - 1
igram_lastValidLine = min(reference_lastValidLine, secondary_lastValidLine)
igram_lastValidSample = min(reference_lastValidSample, secondary_lastValidSample)
reference.firstValidLine = max(reference.firstValidLine, secondary.firstValidLine)
reference.firstValidSample = max(reference.firstValidSample, secondary.firstValidSample)
#set to 0 to avoid negative values
if reference.firstValidLine<0:
reference.firstValidLine=0
if reference.firstValidSample<0:
reference.firstValidSample=0
reference.numValidLines = igram_lastValidLine - reference.firstValidLine + 1
reference.numValidSamples = igram_lastValidSample - reference.firstValidSample + 1
def getValidLines(secondary, rdict, inname, misreg_az=0.0, misreg_rng=0.0):
'''
Looks at the reference, secondary and azimuth offsets and gets the Interferogram valid lines
'''
import numpy as np
import isce
import isceobj
dimg = isceobj.createSlcImage()
dimg.load(inname + '.xml')
shp = (dimg.length, dimg.width)
az = np.fromfile(rdict['azimuthOff'], dtype=np.float32).reshape(shp)
az += misreg_az
aa = np.zeros(az.shape)
aa[:,:] = az
aa[aa < -10000.0] = np.nan
amin = np.nanmin(aa)
amax = np.nanmax(aa)
rng = np.fromfile(rdict['rangeOff'], dtype=np.float32).reshape(shp)
rng += misreg_rng
rr = np.zeros(rng.shape)
rr[:,:] = rng
rr[rr < -10000.0] = np.nan
rmin = np.nanmin(rr)
rmax = np.nanmax(rr)
return amin, amax, rmin, rmax
def asBaseClass(inobj):
'''
Return as TOPSSwathSLCProduct.
'''
from isceobj.Sensor.TOPS.TOPSSwathSLCProduct import TOPSSwathSLCProduct
def topsproduct(cobj):
obj = TOPSSwathSLCProduct()
obj.configure()
for x in obj.parameter_list:
val = getattr(cobj, x.attrname)
setattr(obj, x.attrname, val)
for x in obj.facility_list:
attrname = x.public_name
val = getattr(cobj, x.attrname)
setattr(obj, x.attrname, val)
return obj
if isinstance(inobj, coregSwathSLCProduct):
return topsproduct(inobj)
elif isinstance(inobj, TOPSSwathSLCProduct):
return inobj
else:
raise Exception('Cannot be converted to TOPSSwathSLCProduct')
def getSwathList(indir):
swathList = []
for x in [1,2,3]:
SW = os.path.join(indir,'IW{0}'.format(x))
if os.path.exists(SW):
swathList.append(x)
return swathList