116 lines
4.1 KiB
Python
116 lines
4.1 KiB
Python
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#!/usr/bin/env python3
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#
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# Author: Cunren Liang
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# Copyright 2015-present, NASA-JPL/Caltech
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#
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import os
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import glob
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import datetime
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import numpy as np
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import isce, isceobj
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from isceobj.Alos2Proc.runRdrDemOffset import rdrDemOffset
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from StackPulic import loadProduct
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from StackPulic import createObject
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def cmdLineParse():
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'''
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command line parser.
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'''
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import sys
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import argparse
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parser = argparse.ArgumentParser(description='estimate offset between radar and dem')
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parser.add_argument('-track', dest='track', type=str, required=True,
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help = 'track parameter file')
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parser.add_argument('-dem', dest='dem', type=str, required=True,
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help = 'dem used for geometrical coregistration')
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parser.add_argument('-wbd', dest='wbd', type=str, required=True,
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help = 'water body in radar coordinate')
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parser.add_argument('-hgt', dest='hgt', type=str, required=True,
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help = 'height in radar coordinate computed in geometrical coregistration')
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parser.add_argument('-amp', dest='amp', type=str, required=True,
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help = 'amplitude image')
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parser.add_argument('-output', dest='output', type=str, required=True,
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help = 'output file for saving the affine transformation paramters')
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parser.add_argument('-nrlks1', dest='nrlks1', type=int, default=1,
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help = 'number of range looks 1. default: 1')
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parser.add_argument('-nalks1', dest='nalks1', type=int, default=1,
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help = 'number of azimuth looks 1. default: 1')
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parser.add_argument('-nrlks_sim', dest='nrlks_sim', type=int, default=None,
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help = 'number of range looks when simulating radar image')
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parser.add_argument('-nalks_sim', dest='nalks_sim', type=int, default=None,
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help = 'number of azimuth looks when simulating radar image')
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if len(sys.argv) <= 1:
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print('')
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parser.print_help()
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sys.exit(1)
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else:
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return parser.parse_args()
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if __name__ == '__main__':
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inps = cmdLineParse()
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#get user parameters from input
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trackParameter = inps.track
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demFile = inps.dem
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wbdOut = inps.wbd
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height = inps.hgt
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amplitude = inps.amp
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output = inps.output
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numberRangeLooks1 = inps.nrlks1
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numberAzimuthLooks1 = inps.nalks1
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numberRangeLooksSim = inps.nrlks_sim
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numberAzimuthLooksSim = inps.nalks_sim
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#######################################################
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#prepare amplitude image
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insarDir = 'insar'
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os.makedirs(insarDir, exist_ok=True)
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os.chdir(insarDir)
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if not os.path.isfile(os.path.basename(amplitude)):
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os.symlink(os.path.join('../', amplitude), os.path.basename(amplitude))
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if not os.path.isfile(os.path.basename(amplitude)+'.vrt'):
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os.symlink(os.path.join('../', amplitude)+'.vrt', os.path.basename(amplitude)+'.vrt')
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if not os.path.isfile(os.path.basename(amplitude)+'.xml'):
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os.symlink(os.path.join('../', amplitude)+'.xml', os.path.basename(amplitude)+'.xml')
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os.chdir('../')
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ml1 = '_{}rlks_{}alks'.format(numberRangeLooks1, numberAzimuthLooks1)
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simFile = 'radar_{}.sim'.format(ml1)
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self = createObject()
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self._insar = createObject()
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self._insar.dem = demFile
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self._insar.numberRangeLooksSim = numberRangeLooksSim
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self._insar.numberRangeLooks1 = numberRangeLooks1
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self._insar.numberAzimuthLooksSim = numberAzimuthLooksSim
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self._insar.numberAzimuthLooks1 = numberAzimuthLooks1
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self._insar.height = os.path.basename(height)
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self._insar.sim = simFile
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self._insar.amplitude = os.path.basename(amplitude)
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self._insar.wbdOut = os.path.basename(wbdOut)
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self._insar.radarDemAffineTransform = None
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referenceTrack = loadProduct(trackParameter)
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rdrDemOffset(self, referenceTrack, catalog=None)
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os.chdir(insarDir)
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#save the result
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with open(output, 'w') as f:
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f.write('{} {}\n{}'.format(self._insar.numberRangeLooksSim, self._insar.numberAzimuthLooksSim, self._insar.radarDemAffineTransform))
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#remove amplitude image
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os.remove(os.path.basename(amplitude))
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os.remove(os.path.basename(amplitude)+'.vrt')
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os.remove(os.path.basename(amplitude)+'.xml')
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os.chdir('../')
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