234 lines
6.8 KiB
Python
Executable File
234 lines
6.8 KiB
Python
Executable File
#!/usr/bin/env python3
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import isce
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import isceobj
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import stdproc
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from stdproc.stdproc import crossmul
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import numpy as np
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from isceobj.Util.Poly2D import Poly2D
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import argparse
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import os
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import shelve
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from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
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import json
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import logging
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from isceobj.Util.decorators import use_api
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def createParser():
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parser = argparse.ArgumentParser( description='Use polynomial offsets and create burst by burst interferograms')
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parser.add_argument('-m', '--reference', dest='reference', type=str, default=None,
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help = 'Directory with reference acquisition for reference')
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parser.add_argument('-s', '--secondary', dest='secondary', type=str, required=True,
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help='Directory with secondary acquisition')
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parser.add_argument('-p', '--poly',dest='poly', type=str, default=None,
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help='Pickle file with the resampling polynomials')
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parser.add_argument('-o','--coreg', dest='coreg', type=str, default=None,
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help='Directory with coregistered SLC')
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parser.add_argument('-f', '--offsets', dest='offsets', type=str, default=None,
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help='Directory with the offset files')
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parser.add_argument('-z', dest='zero', action='store_true', default=False,
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help='Resample without using azimuth carrier')
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parser.add_argument('--noflat', dest='noflat', action='store_true', default=False,
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help='To turn off flattening')
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parser.add_argument('-d', '--dims', dest='dims', nargs=2, type=int, default=None,
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help='Dimensions if using directly with poly')
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#inps = parser.parse_args()
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#if inps.secondary.endswith('/'):
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# inps.secondary = inps.secondary[:-1]
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#if inps.coreg is None:
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# inps.coreg = os.path.join('coreg', os.path.basename(inps.secondary))
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#return inps
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return parser
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def cmdLineParse(iargs = None):
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parser = createParser()
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#return parser.parse_args(args=iargs)
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inps = parser.parse_args(args=iargs)
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#inps = parser.parse_args()
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if inps.secondary.endswith('/'):
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inps.secondary = inps.secondary[:-1]
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if inps.coreg is None:
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inps.coreg = os.path.join('coreg', os.path.basename(inps.secondary))
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return inps
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@use_api
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def resampSecondary(burst, offdir, outname, doppler, azpoly, rgpoly,
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reference=None, flatten=False, zero=False, dims=None):
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'''
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Resample burst by burst.
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'''
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if offdir is not None:
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rgname = os.path.join(offdir, 'range.off')
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azname = os.path.join(offdir, 'azimuth.off')
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rngImg = isceobj.createImage()
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rngImg.load(rgname + '.xml')
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rngImg.setAccessMode('READ')
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aziImg = isceobj.createImage()
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aziImg.load(azname + '.xml')
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aziImg.setAccessMode('READ')
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width = rngImg.getWidth()
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length = rngImg.getLength()
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else:
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rngImg = None
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aziImg = None
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if dims is None:
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raise Exception('No offset image / dims provided.')
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width = dims[1]
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length = dims[0]
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inimg = isceobj.createSlcImage()
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inimg.load(burst.getImage().filename + '.xml')
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inimg.setAccessMode('READ')
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prf = burst.getInstrument().getPulseRepetitionFrequency()
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if zero:
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factor = 0.0
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else:
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factor = 1.0
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try:
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print('Polynomial doppler provided')
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coeffs = [factor * 2*np.pi*val/prf for val in doppler._coeffs]
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except:
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print('List of coefficients provided')
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coeffs = [factor * 2*np.pi*val/prf for val in doppler]
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zcoeffs = [0. for val in coeffs]
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dpoly = Poly2D()
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# dpoly.initPoly(rangeOrder=len(coeffs)-1, azimuthOrder=1, coeffs=[zcoeffs,coeffs])
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dpoly.initPoly(rangeOrder=len(coeffs)-1, azimuthOrder=0, coeffs=[coeffs])
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rObj = stdproc.createResamp_slc()
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rObj.slantRangePixelSpacing = burst.getInstrument().getRangePixelSize()
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# rObj.radarWavelength = burst.getInstrument().getRadarWavelength()
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rObj.radarWavelength = burst.subBandRadarWavelength
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rObj.dopplerPoly = dpoly
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rObj.azimuthOffsetsPoly = azpoly
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rObj.rangeOffsetsPoly = rgpoly
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rObj.imageIn = inimg
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imgOut = isceobj.createSlcImage()
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imgOut.setWidth(width)
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outdir = os.path.dirname(outname)
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os.makedirs(outdir, exist_ok=True)
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if zero:
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imgOut.filename = os.path.join(outname)
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else:
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imgOut.filename = os.path.join(outname)
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imgOut.setAccessMode('write')
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rObj.flatten = flatten
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rObj.outputWidth = width
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rObj.outputLines = length
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rObj.residualRangeImage = rngImg
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rObj.residualAzimuthImage = aziImg
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if reference is not None:
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rObj.startingRange = burst.startingRange
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rObj.referenceStartingRange = reference.startingRange
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rObj.referenceSlantRangePixelSpacing = reference.getInstrument().getRangePixelSize()
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# rObj.referenceWavelength = reference.getInstrument().getRadarWavelength()
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rObj.referenceWavelength = reference.subBandRadarWavelength
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rObj.resamp_slc(imageOut=imgOut)
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imgOut.renderHdr()
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return imgOut
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def main(iargs=None):
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'''
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Main driver.
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'''
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inps = cmdLineParse(iargs)
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outfile = os.path.join(inps.coreg,os.path.basename(os.path.dirname(inps.coreg))+'.slc')
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outDir = inps.coreg
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os.makedirs(outDir, exist_ok=True)
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referenceShelveDir = os.path.join(outDir, 'referenceShelve')
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secondaryShelveDir = os.path.join(outDir, 'secondaryShelve')
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if inps.reference is not None:
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os.makedirs(referenceShelveDir, exist_ok=True)
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os.makedirs(secondaryShelveDir, exist_ok=True)
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cmd = 'cp '+ inps.secondary + '/data* ' + secondaryShelveDir
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print (cmd)
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os.system(cmd)
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if inps.reference is not None:
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cmd = 'cp '+ inps.reference + '/data* ' + referenceShelveDir
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os.system(cmd)
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# with shelve.open(os.path.join(inps.secondary, 'data'), flag='r') as sdb:
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with shelve.open(os.path.join(secondaryShelveDir, 'data'), flag='r') as sdb:
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secondary = sdb['frame']
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try:
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doppler = sdb['doppler']
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except:
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doppler = secondary._dopplerVsPixel
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if inps.poly is not None:
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with shelve.open(inps.poly, flag='r') as db:
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azpoly = db['azpoly']
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rgpoly = db['rgpoly']
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else:
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azpoly = None
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rgpoly = None
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if inps.reference is not None:
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# with shelve.open(os.path.join(inps.reference, 'data'), flag='r') as mdb:
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with shelve.open(os.path.join(referenceShelveDir, 'data'), flag='r') as mdb:
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reference = mdb['frame']
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else:
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reference = None
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resampSecondary(secondary, inps.offsets, outfile,
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doppler, azpoly,rgpoly,
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flatten=(not inps.noflat), zero=inps.zero,
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dims = inps.dims,
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reference = reference)
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# flattenSLC(secondary, inps.coreg, rgpoly)
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if __name__ == '__main__':
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'''
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Main driver.
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'''
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main()
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