80 lines
2.5 KiB
Python
Executable File
80 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# Author: Cunren Liang
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# Copyright 2021
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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 copy
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import s1a_isce_utils as ut
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from isceobj.Sensor.TOPS import createTOPSSwathSLCProduct
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#it should be OK that function name is the same as script name
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from subband_and_resamp import subband
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def createParser():
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parser = argparse.ArgumentParser( description='bandpass filtering burst by burst SLCs ')
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parser.add_argument('-d', '--directory', dest='directory', type=str, required=True,
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help='Directory with acquisition')
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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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def main(iargs=None):
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'''
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Create subband burst SLCs.
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'''
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inps = cmdLineParse(iargs)
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swathList = ut.getSwathList(inps.directory)
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for swath in swathList:
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acquisition = ut.loadProduct( os.path.join(inps.directory , 'IW{0}.xml'.format(swath)))
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for burst in acquisition.bursts:
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print("processing swath {}, burst {}".format(swath, os.path.basename(burst.image.filename)))
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outname = burst.image.filename
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outnameLower = os.path.splitext(outname)[0]+'_lower.slc'
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outnameUpper = os.path.splitext(outname)[0]+'_upper.slc'
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if os.path.exists(outnameLower) and os.path.exists(outnameLower+'.vrt') and os.path.exists(outnameLower+'.xml') and \
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os.path.exists(outnameUpper) and os.path.exists(outnameUpper+'.vrt') and os.path.exists(outnameUpper+'.xml'):
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print('burst {} already processed, skip...'.format(os.path.basename(burst.image.filename)))
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continue
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#subband filtering
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from Stack import ionParam
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from isceobj.Constants import SPEED_OF_LIGHT
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rangeSamplingRate = SPEED_OF_LIGHT / (2.0 * burst.rangePixelSize)
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ionParamObj=ionParam()
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ionParamObj.configure()
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outputfile = [outnameLower, outnameUpper]
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bw = [ionParamObj.rgBandwidthSub / rangeSamplingRate, ionParamObj.rgBandwidthSub / rangeSamplingRate]
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bc = [-ionParamObj.rgBandwidthForSplit / 3.0 / rangeSamplingRate, ionParamObj.rgBandwidthForSplit / 3.0 / rangeSamplingRate]
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rgRef = ionParamObj.rgRef
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subband(burst, 2, outputfile, bw, bc, rgRef, True)
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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 Driver
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main()
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