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#! /usr/bin/env python
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#'''
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##################################################################################
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# #
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# Author: Yun-Meng Cao #
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# Email : ymcmrs@gmail.com #
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# Date : March, 2017 #
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# #
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# Generate Sentinel SLC from the downloaded data #
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# #
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##################################################################################
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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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def check_variable_name(path):
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s=path.split("/")[0]
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if len(s)>0 and s[0]=="$":
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p0=os.getenv(s[1:])
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path=path.replace(path.split("/")[0],p0)
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return path
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def read_template(File, delimiter='='):
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'''Reads the template file into a python dictionary structure.
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Input : string, full path to the template file
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Output: dictionary, pysar template content
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Example:
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tmpl = read_template(KyushuT424F610_640AlosA.template)
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tmpl = read_template(R1_54014_ST5_L0_F898.000.pi, ':')
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'''
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template_dict = {}
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for line in open(File):
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line = line.strip()
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c = [i.strip() for i in line.split(delimiter, 1)] #split on the 1st occurrence of delimiter
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if len(c) < 2 or line.startswith('%') or line.startswith('#'):
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next #ignore commented lines or those without variables
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else:
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atrName = c[0]
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atrValue = str.replace(c[1],'\n','').split("#")[0].strip()
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atrValue = check_variable_name(atrValue)
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template_dict[atrName] = atrValue
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return template_dict
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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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def rm(TXT):
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call_str = 'rm ' + TXT
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os.system(call_str)
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def usage():
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print('''
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******************************************************************************************************
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Downloading Sentinel-1A/B data based on ssara
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usage:
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Down2SLC_Sen_Gamma.py ProjectName DownName
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e.g. Down2SLC_Sen_Gamma.py CotopaxiT120SenVVA 170118
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*******************************************************************************************************
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''')
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def main(argv):
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if len(sys.argv)==3:
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projectName = sys.argv[1]
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Date = sys.argv[2]
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else:
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usage();sys.exit(1)
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scratchDir = os.getenv('SCRATCHDIR')
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templateDir = os.getenv('TEMPLATEDIR')
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projectDir = scratchDir + '/' + projectName
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downDir = scratchDir + '/' + projectName + "/DOWNLOAD"
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slcDir = scratchDir + '/' + projectName + '/SLC'
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if not os.path.isdir(slcDir):
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call_str= 'mkdir ' +slcDir
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os.system(call_str)
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os.chdir(downDir)
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t0 = 't0_' + Date
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call_str = 'ls >' + t0
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os.system(call_str)
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tt = 'tt_' + Date
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call_str = "grep " + Date + ' ' + t0 + '> ' + tt
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os.system(call_str)
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ts = 'ts_' + Date
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call_str = "grep SAFE " + tt + ' >' + ts
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os.system(call_str)
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tz = 'tz_' + Date
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call_str = "grep zip " + tt + " > " + tz
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os.system(call_str)
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A1= np.loadtxt(ts,dtype=np.str)
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Na1 = A1.size
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A2= np.loadtxt(tz,dtype=np.str)
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Na2 = A2.size
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rm(t0);rm(tt);rm(ts);rm(tz)
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if Na1 == 0:
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if Na2 > 0:
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if Na2 == 1:
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downName = str(A2)
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else:
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downName = str(A2[0])
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FileDir = downDir + '/' + downName
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RAWNAME = downName.split('.')[0]+'.SAFE'
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call_str = 'unzip '+ FileDir
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os.system(call_str)
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else:
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if Na1 == 1:
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RAWNAME = str(A1)
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else:
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RAWNAME = str(A1[0])
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print(RAWNAME)
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RAWFILEDir = downDir + '/'+str(RAWNAME)
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Date = RAWNAME[19:25]
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DateDir = slcDir + '/'+Date
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if not os.path.isdir(DateDir):
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call_str='mkdir '+DateDir
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os.system(call_str)
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measureDir = RAWFILEDir + '/measurement'
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annotatDir = RAWFILEDir + '/annotation'
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calibraDir = RAWFILEDir + '/annotation/calibration'
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MM = glob.glob(measureDir + '/*vv*tiff')
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# MEASURE = glob.glob(measureDir + '/*vv*tiff')
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# ANNOTAT = glob.glob(annotatDir + '/*vv*xml' )
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# CALIBRA = glob.glob(calibraDir+'/calibration*vv*')
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# NOISE = glob.glob(calibraDir+'/noise*vv*')
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SLC_Tab = DateDir + '/' + Date+'_SLC_Tab'
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TEST = DateDir + '/' + Date + '.IW1.slc'
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if not os.path.isfile(TEST):
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if os.path.isfile(SLC_Tab):
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os.remove(SLC_Tab)
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for kk in range(len(MM)):
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SLC = DateDir + '/' + Date + '.IW' + str(kk+1)+'.slc'
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SLCPar = DateDir + '/' + Date + '.IW' + str(kk+1)+'.slc.par'
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TOPPar = DateDir + '/' + Date + '.IW' + str(kk+1)+'.slc.TOPS_par'
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BURST = DateDir + '/' + Date + '.IW' + str(kk+1)+'.burst.par'
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if os.path.isfile(BURST):
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os.remove(BURST)
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call_str = 'echo ' + SLC + ' ' + SLCPar + ' ' + TOPPar + ' >> ' + SLC_Tab
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os.system(call_str)
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MEASURE = glob.glob(measureDir + '/*iw' + str(kk+1) + '*vv*tiff')
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ANNOTAT = glob.glob(annotatDir + '/*iw' + str(kk+1) + '*vv*xml' )
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CALIBRA = glob.glob(calibraDir+'/calibration*'+ 'iw' + str(kk+1) + '*vv*')
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NOISE = glob.glob(calibraDir+'/noise*' + 'iw' + str(kk+1) + '*vv*')
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#call_str = 'S1_burstloc ' + ANNOTAT[0] + '> ' +BURST
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#os.system(call_str)
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if int(Date) > 180311:
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call_str = 'par_S1_SLC ' + MEASURE[0] + ' ' + ANNOTAT[0] + ' ' + CALIBRA[0] + ' - ' + SLCPar + ' ' + SLC + ' ' + TOPPar
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else:
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call_str = 'par_S1_SLC ' + MEASURE[0] + ' ' + ANNOTAT[0] + ' ' + CALIBRA[0] + ' ' + NOISE[0] + ' ' + SLCPar + ' ' + SLC + ' ' + TOPPar
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os.system(call_str)
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call_str = 'SLC_burst_corners ' + SLCPar + ' ' + TOPPar + ' > ' +BURST
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os.system(call_str)
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TSLC = DateDir + '/' + Date + '.slc'
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TSLCPar = DateDir + '/' + Date + '.slc.par'
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TMLI = DateDir + '/' + Date + '_20rlks.amp'
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TMLIPar = DateDir + '/' + Date + '_20rlks.amp.par'
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call_str = 'SLC_mosaic_S1_TOPS ' + SLC_Tab + ' ' + TSLC + ' ' + TSLCPar + ' 10 2'
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os.system(call_str)
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call_str = 'multi_look ' + TSLC + ' ' + TSLCPar + ' ' + TMLI + ' ' + TMLIPar + ' 20 4'
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os.system(call_str)
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nWidth = UseGamma(TMLIPar, 'read','range_samples:')
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call_str = 'raspwr ' + TMLI + ' ' + nWidth + ' - - - - - - - '
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os.system(call_str)
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call_str = 'rm -rf ' + RAWFILEDir
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os.system(call_str)
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print("Down to SLC 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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