Apply current workspace changes
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#!/usr/bin/env python3
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import os,sys,struct,math
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import numpy as np
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import argparse
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from pyint import _utils as ut
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import subprocess
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#if len(sys.argv) != 5:
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# print("Usage:")
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# print("./applygacos.py inpfilename ztd1filename ztd2filename elevfilename")
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# print(" inpfilenmae : input interferogram, a inpfilename.rsc is needed!")
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# print(" ztd1filename: input GACOS ztd day1 filename, a ztd1filename.rsc is needed!")
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# print(" ztd2filename: input GACOS ztd day2 filename, a ztd2filename.rsc is needed!")
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# print(" elevfilename: elevation angle file, must be the same size with interferogram")
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# print(" elevation=90-incidence ")
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# print(" can be generated by look_vector in gamma")
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# print("outputfile will be saved as inpfilename.gacos")
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# print("!!Note, python3 is needed!!")
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# exit()
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def cmdLineParse():
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parser = argparse.ArgumentParser(description='Coregister SM mode SLC to a reference SLC image using GAMMA.',\
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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='Name of project.')
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parser.add_argument('mdate', help='date of the slave SLC image')
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parser.add_argument('sdate', help='date of the slave SLC image')
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parser.add_argument('ztd1', help='input GACOS ztd day1 filename, a ztd2filename.rsc is needed!')
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parser.add_argument('ztd2', help='input GACOS ztd day2 filename, a ztd2filename.rsc is needed!' )
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inps = parser.parse_args()
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return inps
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INTRODUCTION = '''
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-------------------------------------------------------------------
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create_files for psokinv software running file by generated by Gamma
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'''
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EXAMPLE = """Usage:
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coreg_gamma.py projectName
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coreg_gamma.py PacayaT163TsxHhA
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-------------------------------------------------------------------
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"""
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#filename=sys.argv[1]
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#ztd1filename=sys.argv[2]
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#ztd2filename=sys.argv[3]
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#elevfilename=sys.argv[4]
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#print("start processing "+ filename)
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class HEADER:
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width = 0
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length = 0
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xfirst = 0.0
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yfirst = 0.0
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xstep = 0.0
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ystep = 0.0
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def read_header(filename):
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if not os.path.isfile(filename):
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print(filename+" file not exit")
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header = HEADER()
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with open(filename) as f:
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for line in f:
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data=line.split()
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if data[0] == "WIDTH":
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header.width=int(data[1])
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if data[0] == "FILE_LENGTH":
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header.length=int(data[1])
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if data[0] == "X_FIRST":
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header.xfirst=float(data[1])
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if data[0] == "Y_FIRST":
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header.yfirst=float(data[1])
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if data[0] == "X_STEP":
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header.xstep=float(data[1])
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if data[0] == "Y_STEP":
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header.ystep=float(data[1])
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return header
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def cut_image2(filename,headername,yfirst_new,length_new,xfirst_new,width_new):
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header=read_header(headername)
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#print(yfirst_new, header.yfirst)
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#print(length_new, header.length)
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#print(xfirst_new, header.xfirst)
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#print(width_new, header.width)
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with open(filename, 'rb') as f:
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data0 = np.fromfile(f, dtype=np.float32)
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data = np.reshape(data0, (header.length, header.width))
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out=np.zeros((length_new,width_new),dtype=np.float32)
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#out=np.zeros(width_new*length_new,dtype=np.float32)
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for i in range(header.length):
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lat=header.yfirst+header.ystep*i
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row=int(round((lat-yfirst_new)/header.ystep))
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if(row<0 or row>=length_new):
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continue
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for j in range(header.width):
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lon=header.xfirst+header.xstep*j
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col=int(round((lon-xfirst_new)/header.xstep))
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if(col<0 or col>=width_new):
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continue
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#out[width_new*row+col]=data[header.width*i+j]
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out[row,col]=data[i,j]
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out=np.where(out==0,np.nan,out)
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#print(np.nanstd(out))
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out.tofile(filename+".cut")
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f = open(filename+".cut.rsc", 'w')
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f.write("WIDTH "+str(width_new)+"\n")
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f.write("FILE_LENGTH "+str(length_new)+"\n")
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f.write("X_FIRST "+ str(xfirst_new)+"\n")
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f.write("Y_FIRST "+ str(yfirst_new)+"\n")
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f.write("X_STEP "+ str(header.xstep)+"\n")
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f.write("Y_STEP "+ str(header.ystep)+"\n")
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f.close()
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def make_correction(phsfilename,ztd1filename,ztd2filename,elevfilename):
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header=read_header(phsfilename+".rsc")
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if not os.path.isfile(ztd1filename+".cut"):
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cut_image2(ztd1filename,ztd1filename+".rsc",header.yfirst,header.length,header.xfirst,header.width)
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if not os.path.isfile(ztd2filename+".cut"):
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cut_image2(ztd2filename,ztd2filename+".rsc",header.yfirst,header.length,header.xfirst,header.width)
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with open(phsfilename, 'rb') as f:
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data = np.fromfile(f, dtype=np.float32)
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phase = np.reshape(data, [header.length, header.width])
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with open(ztd1filename+".cut", 'rb') as f:
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data = np.fromfile(f, dtype=np.float32)
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ztd1 = np.reshape(data, [header.length, header.width])
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with open(ztd2filename+".cut", 'rb') as f:
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data = np.fromfile(f, dtype=np.float32)
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ztd2 = np.reshape(data, [header.length, header.width])
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with open(elevfilename, 'rb') as f:
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data = np.fromfile(f, dtype=np.float32)
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elev = np.reshape(data, [header.length, header.width])
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#os.remove(ztd1filename+".cut")
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#os.remove(ztd2filename+".cut")
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dztd=ztd2-ztd1
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dztd=dztd/0.0044138251819503
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dztd=dztd/np.sin(elev)
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index=np.where(phase==0)
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phase[index]=np.nan
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phasemean=np.nanmean(phase)
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print("before "+str(np.nanstd(phase)))
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phase=phase-phasemean
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#phase.tofile(phsfilename+".raw")
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phase=phase-dztd
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phase[index]=np.nan
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phasemean=np.nanmean(phase)
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print("after "+str(np.nanstd(phase)))
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phase=phase-phasemean
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phase[index]=0
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phase.tofile(phsfilename+".gacos")
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def main(argv):
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inps = cmdLineParse()
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projectName = inps.projectName
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Sdate = inps.sdate
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Mdate = inps.mdate
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scratchDir = os.getenv('SCRATCHDIR')
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templateDir = os.getenv('TEMPLATEDIR')
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templateFile = templateDir + "/" + projectName + ".template"
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templateDict=ut.update_template(templateFile)
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rlks = templateDict['range_looks']
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azlks = templateDict['azimuth_looks']
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Smdate = templateDict['masterDate']
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demDir = scratchDir + '/' + projectName + '/DEM'
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slcDir = scratchDir + '/' + projectName + "/SLC"
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rslcDir = scratchDir + '/' + projectName + "/RSLC"
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ifgramDir = scratchDir + '/' + projectName + "/ifgrams"
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workDir = ifgramDir + '/' + Mdate + '-' + Sdate
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MslcDir = rslcDir + '/' + Mdate
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SslcDir = rslcDir + '/' + Sdate
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offpar = SslcDir + '/' + Smdate + '_' + Sdate + '.off'
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slcpar = MslcDir + '/' + Smdate + '.rslc.par'
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dempar = demDir + '/' + Smdate + '_' + rlks + 'rlks.utm.dem.par'
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dem = demDir + '/' + Smdate + '_' + rlks + 'rlks.utm.dem'
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unwpar = demDir + '/' + Mdate + '_' + rlks + 'rlks.utm.dem.par'
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unw = workDir + '/geo_' + Mdate + '-' + Sdate + "_" + rlks+"rlks.diff_filt.unw"
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os.chdir(workDir)
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call_str = "look_vector " + slcpar+ " " + offpar + " " + dempar + " " + dem + ' lv_theta lv_phi'
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os.system(call_str)
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call_str = "grep 'corner_lat:' " + dempar + " | awk '{print $2}' "
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North=subprocess.getstatusoutput(call_str)[1]
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call_str = "grep 'corner_lon:' " + dempar + " | awk '{print $2}' "
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West=subprocess.getstatusoutput(call_str)[1]
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call_str = "grep 'post_lat:' " + dempar + " | awk '{print $2}' "
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posty=subprocess.getstatusoutput(call_str)[1]
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call_str = "grep 'post_lon:' " + dempar + " | awk '{print $2}' "
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postx=subprocess.getstatusoutput(call_str)[1]
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call_str = "grep 'width:' " + dempar + " | awk '{print $2}' "
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width=subprocess.getstatusoutput(call_str)[1]
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call_str = "grep 'nlines:' " + dempar + " | awk '{print $2}' "
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length=subprocess.getstatusoutput(call_str)[1]
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South=str(round(float(North)+(float(length)-1)*float(posty),7))
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East=str(round(float(West)+(float(width)-1)*float(postx),7))
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call_str = "swap_bytes lv_theta lv_theta.phase_swap 4 >dinsar.log "
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os.system(call_str)
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call_str = "gmt xyz2grd lv_theta.phase_swap -Glv_theta.grd -Ddegree/degree/cm/1/0/=/= -R" + West + "/" + East + "/" +South + "/" +North + " -I" + postx + " -ZTLf -N0"
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os.system(call_str)
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call_str = "gmt grdmath 90 lv_theta.grd 3.1415926 DIV 180 MUL SUB = lv_theta_final.grd"
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os.system(call_str)
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call_str = "gmt grdmath 90 lv_theta_final.grd SUB = lv_elev.grd"
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os.system(call_str)
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call_str = "gmt grdsample lv_elev.grd -Glv_elev_3c.grd -I3c"
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os.system(call_str)
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call_str = "gmt grd2xyz lv_elev_3c.grd -ZTLf -N0 > " + Mdate + '-' + Sdate + '.gacos.elev'
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os.system(call_str)
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call_str = "swap_bytes " + unw+ " unw.phase_swap 4 >dinsar.log "
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os.system(call_str)
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call_str = "gmt xyz2grd unw.phase_swap -Gunw_f.grd -Ddegree/degree/cm/1/0/=/= -R" + West + "/" + East + "/" +South + "/" +North + " -I" + postx +" -ZTLf -N0"
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os.system(call_str)
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call_str = "gmt grdsample unw_f.grd -Gunw.grd -I3c"
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os.system(call_str)
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call_str = "gmt grd2xyz unw.grd -ZTLf > " + Mdate + '-' + Sdate + '.gacos.unw'
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os.system(call_str)
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call_str = "gmt grdinfo unw.grd -C | awk '{print $10}' "
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Width=subprocess.getstatusoutput(call_str)[1]
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call_str = "gmt grdinfo unw.grd -C | awk '{print $11}' "
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line=subprocess.getstatusoutput(call_str)[1]
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call_str = "gmt grdinfo unw.grd -C | awk '{print $2}' "
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West=subprocess.getstatusoutput(call_str)[1]
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call_str = "gmt grdinfo unw.grd -C | awk '{print $5}' "
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North=subprocess.getstatusoutput(call_str)[1]
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ymax=str(int(round(float(line) ,7)))
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xmax=str(int(round(float(Width) ,7)))
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output=workDir + '/' + Mdate + '-' + Sdate + '.gacos.unw.rsc'
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if os.path.exists(output) is True:
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os.remove(output)
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fopen=open(output,'a+')
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fopen.write('WIDTH ' + Width + '\n')
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fopen.write('FILE_LENGTH ' + line + '\n')
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fopen.write('XMIN 1' + '\n')
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fopen.write('XMAX ' + xmax + '\n')
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fopen.write('YMIN 1' + '\n')
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fopen.write('YMAX ' + ymax + '\n')
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fopen.write('X_FIRST ' + West + '\n')
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fopen.write('Y_FIRST ' + North + '\n')
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fopen.write('X_STEP 8.33333333E-04' + '\n')
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fopen.write('Y_STEP -8.33333333E-04' + '\n')
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fopen.write('X_UNIT degrees' + '\n')
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fopen.write('Y_UNIT degrees' + '\n')
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fopen.write('Z_OFFSET 0' + '\n')
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fopen.write('Z_SCALE 1' + '\n')
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fopen.write('PROJECTION LATLON' + '\n')
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fopen.write('DATUM WGS84' + '\n')
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print("convert gamma products to GACOS is done!")
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print("start make gacos correction!")
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filename=workDir + '/' + Mdate + '-' + Sdate + '.gacos.unw'
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ztd1=inps.ztd1
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ztd2=inps.ztd2
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ztd1filename=workDir + '/' + ztd1
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ztd2filename=workDir + '/' + ztd2
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elevfilename=workDir + '/' + Mdate + '-' + Sdate + '.gacos.elev'
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make_correction(filename,ztd1filename,ztd2filename,elevfilename)
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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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#make_correction(filename,ztd1filename,ztd2filename,elevfilename)
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#exit()
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