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