196 lines
8.9 KiB
Python
196 lines
8.9 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 shutil
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import datetime
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import numpy as np
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import xml.etree.ElementTree as ET
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from StackPulic import stackDateStatistics
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from StackPulic import acquisitionModesAlos2
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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='create InSAR pairs')
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parser.add_argument('-idir1', dest='idir1', type=str, required=True,
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help = 'input directory where original data of each date (YYMMDD) is located. only folders are recognized')
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parser.add_argument('-idir2', dest='idir2', type=str, required=True,
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help = 'input directory where resampled data of each date (YYMMDD) is located. only folders are recognized')
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parser.add_argument('-xml', dest='xml', type=str, default=None,
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help = 'alos2App.py input xml file, e.g. alos2App.xml. default: None')
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parser.add_argument('-odir', dest='odir', type=str, required=True,
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help = 'output directory')
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parser.add_argument('-ref_date', dest='ref_date', type=str, required=True,
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help = 'reference date. format: YYMMDD')
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parser.add_argument('-pairs', dest='pairs', type=str, nargs='+', default=None,
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help = 'a number of pairs seperated by blanks. format: YYMMDD-YYMMDD YYMMDD-YYMMDD YYMMDD-YYMMDD... This argument has highest priority. When provided, only process these pairs')
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parser.add_argument('-num', dest='num', type=int, default=None,
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help = 'number of subsequent acquistions for each acquistion to pair up with. default: all pairs')
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parser.add_argument('-exc_date', dest='exc_date', type=str, nargs='+', default=None,
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help = 'a number of secondary dates seperated by blanks, can also include ref_date. format: YYMMDD YYMMDD YYMMDD. If provided, these dates will be excluded from pairing up')
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parser.add_argument('-tsmin', dest='tsmin', type=float, default=None,
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help = 'minimum time span in years for pairing up. default: None')
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parser.add_argument('-tsmax', dest='tsmax', type=float, default=None,
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help = 'maximum time span in years for pairing up. default: None')
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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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idir1 = inps.idir1
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idir2 = inps.idir2
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alos2AppXml = inps.xml
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odir = inps.odir
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dateReference = inps.ref_date
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pairsUser = inps.pairs
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subsequentNum = inps.num
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dateExcluded = inps.exc_date
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tsmin = inps.tsmin
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tsmax = inps.tsmax
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#######################################################
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DEBUG=False
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spotlightModes, stripmapModes, scansarNominalModes, scansarWideModes, scansarModes = acquisitionModesAlos2()
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#get date statistics, using resampled version
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dateDirs, dates, frames, swaths, dateIndexReference = stackDateStatistics(idir2, dateReference)
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ndate = len(dates)
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nframe = len(frames)
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nswath = len(swaths)
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if subsequentNum is None:
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subsequentNum = ndate - 1
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#read standard configurations
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if alos2AppXml is not None:
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tree = ET.parse(alos2AppXml)
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root = tree.getroot()
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datefmt = "%y%m%d"
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pairsCreated = []
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for i in range(ndate):
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mdate = dates[i]
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mtime = datetime.datetime.strptime(mdate, datefmt)
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for j in range(subsequentNum):
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if i+j+1 <= ndate - 1:
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sdate = dates[i+j+1]
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stime = datetime.datetime.strptime(sdate, datefmt)
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pair = mdate + '-' + sdate
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ts = np.absolute((stime - mtime).total_seconds()) / (365.0 * 24.0 * 3600)
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#1. determine whether process this pair
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if pairsUser is not None:
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if pair not in pairsUser:
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continue
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else:
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if dateExcluded is not None:
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if (mdate in dateExcluded) or (sdate in dateExcluded):
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continue
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if tsmin is not None:
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if ts < tsmin:
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continue
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if tsmax is not None:
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if ts > tsmax:
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continue
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#2. create pair dir
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pairsCreated.append(pair)
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print('creating pair: {}'.format(pair))
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pairDir = os.path.join(odir, pair)
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os.makedirs(pairDir, exist_ok=True)
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#create xml
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if alos2AppXml is not None:
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safe = root.find("component/property[@name='reference directory']")
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#safe.text = '{}'.format(os.path.join(inps.dir, mdate))
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safe.text = 'None'
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safe = root.find("component/property[@name='secondary directory']")
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#safe.text = '{}'.format(os.path.join(inps.dir, sdate))
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safe.text = 'None'
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tree.write(os.path.join(pairDir, 'alos2App.xml'))
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#3. make frame/swath directories, and copy *.track.xml and *.frame.xml
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if mdate != dates[dateIndexReference]:
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shutil.copy2(os.path.join(idir1, mdate, mdate+'.track.xml'), pairDir)
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if sdate != dates[dateIndexReference]:
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shutil.copy2(os.path.join(idir1, sdate, sdate+'.track.xml'), pairDir)
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shutil.copy2(os.path.join(idir2, dates[dateIndexReference], dates[dateIndexReference]+'.track.xml'), pairDir)
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for iframe, frameNumber in enumerate(frames):
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frameDir = 'f{}_{}'.format(iframe+1, frameNumber)
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os.makedirs(os.path.join(pairDir, frameDir), exist_ok=True)
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if mdate != dates[dateIndexReference]:
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shutil.copy2(os.path.join(idir1, mdate, frameDir, mdate+'.frame.xml'), os.path.join(pairDir, frameDir))
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if sdate != dates[dateIndexReference]:
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shutil.copy2(os.path.join(idir1, sdate, frameDir, sdate+'.frame.xml'), os.path.join(pairDir, frameDir))
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shutil.copy2(os.path.join(idir2, dates[dateIndexReference], frameDir, dates[dateIndexReference]+'.frame.xml'), os.path.join(pairDir, frameDir))
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for jswath, swathNumber in enumerate(range(swaths[0], swaths[-1] + 1)):
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swathDir = 's{}'.format(swathNumber)
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os.makedirs(os.path.join(pairDir, frameDir, swathDir), exist_ok=True)
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if os.path.isfile(os.path.join(pairDir, frameDir, swathDir, mdate+'.slc')):
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os.remove(os.path.join(pairDir, frameDir, swathDir, mdate+'.slc'))
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relpath = os.path.relpath(os.path.join(idir2, mdate, frameDir, swathDir), os.path.join(pairDir, frameDir, swathDir))
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os.symlink(os.path.join(relpath, mdate+'.slc'), os.path.join(pairDir, frameDir, swathDir, mdate+'.slc'))
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#os.symlink(os.path.join(idir2, mdate, frameDir, swathDir, mdate+'.slc'), os.path.join(pairDir, frameDir, swathDir, mdate+'.slc'))
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shutil.copy2(os.path.join(idir2, mdate, frameDir, swathDir, mdate+'.slc.vrt'), os.path.join(pairDir, frameDir, swathDir))
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shutil.copy2(os.path.join(idir2, mdate, frameDir, swathDir, mdate+'.slc.xml'), os.path.join(pairDir, frameDir, swathDir))
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if os.path.isfile(os.path.join(pairDir, frameDir, swathDir, sdate+'.slc')):
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os.remove(os.path.join(pairDir, frameDir, swathDir, sdate+'.slc'))
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relpath = os.path.relpath(os.path.join(idir2, sdate, frameDir, swathDir), os.path.join(pairDir, frameDir, swathDir))
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os.symlink(os.path.join(relpath, sdate+'.slc'), os.path.join(pairDir, frameDir, swathDir, sdate+'.slc'))
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#os.symlink(os.path.join(idir2, sdate, frameDir, swathDir, sdate+'.slc'), os.path.join(pairDir, frameDir, swathDir, sdate+'.slc'))
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shutil.copy2(os.path.join(idir2, sdate, frameDir, swathDir, sdate+'.slc.vrt'), os.path.join(pairDir, frameDir, swathDir))
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shutil.copy2(os.path.join(idir2, sdate, frameDir, swathDir, sdate+'.slc.xml'), os.path.join(pairDir, frameDir, swathDir))
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print('total number of pairs created: {}'.format(len(pairsCreated)))
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if pairsUser is not None:
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if sorted(pairsUser) != sorted(pairsCreated):
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print()
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print('WARNING: user has specified pairs to process, but pairs created are different from user specified pairs')
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print(' user specified pairs: {}'.format(', '.join(pairsUser)))
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print(' pairs created: {}'.format(', '.join(pairsCreated)))
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print()
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