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#! /usr/bin/env python
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#################################################################
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### This program is part of PyINT v1.0 ###
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### Copy Right (c): 2017, Yunmeng Cao ###
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### Author: Yunmeng Cao ###
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### Email : ymcmrs@gmail.com ###
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### Univ. : Central South University & University of Miami ###
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#################################################################
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import numpy as np
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import os
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import sys
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import subprocess
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import getopt
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import time
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import glob
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import argparse
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import linecache
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def StrNum(S):
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S = str(S)
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if len(S)==1:
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S='0' +S
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return S
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def UseGamma(inFile, task, keyword):
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if task == "read":
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f = open(inFile, "r")
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while 1:
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line = f.readline()
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if not line: break
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if line.count(keyword) == 1:
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strtemp = line.split(":")
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value = strtemp[1].strip()
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return value
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print("Keyword " + keyword + " doesn't exist in " + inFile)
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f.close()
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#########################################################################
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INTRODUCTION = '''
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#############################################################################
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Copy Right(c): 2017-2019, Yunmeng Cao @PyINT v1.0
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Download precise ERS orbit data from Delft (http://www.deos.tudelft.nl/).
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Correct the orbit parameters using DELFT_vec2
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ftp://dutlru2.lr.tudelft.nl/pub/orbits/ODR.ERS-2/dgm-e04/arclist
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'''
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EXAMPLE = '''
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Usage:
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ERS_DEOS.py projectName Date
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Examples:
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ERS_DEOS.py AqabaERSA 960101
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##############################################################################
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'''
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def cmdLineParse():
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parser = argparse.ArgumentParser(description='Download (and correct) precise ERS orbit data.',\
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formatter_class=argparse.RawTextHelpFormatter,\
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epilog=INTRODUCTION+'\n'+EXAMPLE)
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parser.add_argument('projectName',help='project name')
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parser.add_argument('date',help='date of the ERS data')
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inps = parser.parse_args()
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return inps
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################################################################################
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def main(argv):
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total = time.time()
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inps = cmdLineParse()
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projectName = inps.projectName
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DATE = inps.date
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scratchDir = os.getenv('SCRATCHDIR')
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templateDir = os.getenv('TEMPLATEDIR')
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slcDir = scratchDir + '/' + projectName + '/SLC'
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projDir = scratchDir + '/' + projectName
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ERS1_Orb_Dir = scratchDir + '/' + projectName + '/ERS1_Orb'
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ERS2_Orb_Dir = scratchDir + '/' + projectName + '/ERS2_Orb'
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if not os.path.isdir(ERS1_Orb_Dir):
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call_str = 'mkdir ' + ERS1_Orb_Dir
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os.system(call_str)
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if not os.path.isdir(ERS2_Orb_Dir):
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call_str = 'mkdir ' + ERS2_Orb_Dir
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os.system(call_str)
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ERS1_Orb_list = ERS1_Orb_Dir + '/ERS1_Orb_list'
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ERS2_Orb_list = ERS2_Orb_Dir + '/ERS2_Orb_list'
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os.chdir(ERS1_Orb_Dir)
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if not os.path.isfile(ERS1_Orb_list):
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Url = 'ftp://dutlru2.lr.tudelft.nl/pub/orbits/ODR.ERS-1/dgm-e04/arclist'
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call_str = 'wget ' + Url + ' -O ERS1_Orb_list'
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os.system(call_str)
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call_str = 'cp ERS1_Orb_list arclist'
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os.system(call_str)
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os.chdir(ERS2_Orb_Dir)
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if not os.path.isfile(ERS2_Orb_list):
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Url = 'ftp://dutlru2.lr.tudelft.nl/pub/orbits/ODR.ERS-2/dgm-e04/arclist'
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call_str = 'wget ' + Url + ' -O ERS2_Orb_list'
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os.system(call_str)
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call_str = 'cp ERS2_Orb_list arclist'
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os.system(call_str)
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if len(DATE)==8:
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DATE6 = DATE[2:8]
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else:
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DATE6 = DATE
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slcDir1 = slcDir + '/' + DATE6
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slcpar = slcDir1 + '/' + DATE6 + '.slc.par'
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Title = UseGamma(slcpar, 'read', 'title:')
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if 'E1' in Title:
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Flag = 'ERS1'
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Url = 'ftp://dutlru2.lr.tudelft.nl/pub/orbits/ODR.ERS-1/dgm-e04/'
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List = ERS1_Orb_list
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Dir = ERS1_Orb_Dir
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elif 'E2' in Title:
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Flag = 'ERS2'
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Url = 'ftp://dutlru2.lr.tudelft.nl/pub/orbits/ODR.ERS-2/dgm-e04/'
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List = ERS2_Orb_list
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Dir = ERS2_Orb_Dir
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else:
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print('The SAR data is invalid.')
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sys.exit(1)
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if len(DATE)==6:
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A0 = int(DATE[0:2])
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if A0 < 50:
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DATE = '20' + DATE
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else:
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DATA = '19' + DATE
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YYMM = DATE6[0:2] + DATE6[2:4]
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call_str = 'grep ' + YYMM + ' ' + List + ' > list0'
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os.system(call_str)
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call_str = "awk '{print $12}' list0 > start_end"
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os.system(call_str)
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call_str = "awk '{print $1}' list0 > vec_num"
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os.system(call_str)
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AA= np.loadtxt('start_end',dtype=np.str)
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Na = AA.size
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print(AA)
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A_num= np.loadtxt('vec_num',dtype=np.str)
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Na_num = A_num.size
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for i in range(Na-1):
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A0 = AA[i]
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A1 = AA[i+1]
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print(DATE6)
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print(A0)
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print(A1)
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if int(DATE6)==int(A0):
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m = i
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elif int(DATE6)==int(A1):
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m = i+1
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elif int(A0) < int(DATE6) < int(A1):
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m = i
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FF = A_num[int(m)]
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SS = Url + 'ODR.' + FF
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print(SS)
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call_str = 'wget -q --no-check-certificate ' + SS + ' -P ' + Dir
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os.system(call_str)
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print("Download precise DEFT orbital data for %s is done." % DATE)
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sys.exit(1)
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if __name__ == '__main__':
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main(sys.argv[:])
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