#!/usr/bin/env python3 # Author: Piyush Agram # Copyright 2016 #Heresh Fattahi, Adopted for stack import argparse import logging import isce import isceobj import mroipac import os import s1a_isce_utils as ut def createParser(): parser = argparse.ArgumentParser( description='Use polynomial offsets and create burst by burst interferograms') parser.add_argument('-m', '--master', dest='master', type=str, required=True, help='Directory with master acquisition') parser.add_argument('-s', '--slave', dest='slave', type=str, required=True, help='Directory with slave acquisition') parser.add_argument('-b', '--baseline_file', dest='baselineFile', type=str, required=True, help='An output text file which contains the computed baseline') return parser def cmdLineParse(iargs = None): parser = createParser() return parser.parse_args(args=iargs) #logger = logging.getLogger('isce.topsinsar.runPreprocessor') def main(iargs=None): '''Compute baseline. ''' inps=cmdLineParse(iargs) from isceobj.Planet.Planet import Planet import numpy as np #swathList = self._insar.getInputSwathList(self.swaths) #commonBurstStartMasterIndex = [-1] * self._insar.numberOfSwaths #commonBurstStartSlaveIndex = [-1] * self._insar.numberOfSwaths #numberOfCommonBursts = [0] * self._insar.numberOfSwaths masterSwathList = ut.getSwathList(inps.master) slaveSwathList = ut.getSwathList(inps.slave) swathList = list(sorted(set(masterSwathList+slaveSwathList))) #catalog = isceobj.Catalog.createCatalog(self._insar.procDoc.name) baselineDir = os.path.dirname(inps.baselineFile) if not os.path.exists(baselineDir): os.makedirs(baselineDir) f = open(inps.baselineFile , 'w') for swath in swathList: masterxml = os.path.join( inps.master, 'IW{0}.xml'.format(swath)) slavexml = os.path.join( inps.slave, 'IW{0}.xml'.format(swath)) if os.path.exists(masterxml) and os.path.exists(slavexml): master = ut.loadProduct(os.path.join(inps.master , 'IW{0}.xml'.format(swath))) slave = ut.loadProduct(os.path.join(inps.slave , 'IW{0}.xml'.format(swath))) minMaster = master.bursts[0].burstNumber maxMaster = master.bursts[-1].burstNumber minSlave = slave.bursts[0].burstNumber maxSlave = slave.bursts[-1].burstNumber minBurst = max(minSlave, minMaster) maxBurst = min(maxSlave, maxMaster) print ('minSlave,maxSlave',minSlave, maxSlave) print ('minMaster,maxMaster',minMaster, maxMaster) print ('minBurst, maxBurst: ', minBurst, maxBurst) refElp = Planet(pname='Earth').ellipsoid Bpar = [] Bperp = [] for ii in range(minBurst, maxBurst + 1): ###Bookkeeping #commonBurstStartMasterIndex[swath-1] = minBurst #commonBurstStartSlaveIndex[swath-1] = commonSlaveIndex #numberOfCommonBursts[swath-1] = numberCommon #catalog.addItem('IW-{0} Number of bursts in master'.format(swath), master.numberOfBursts, 'baseline') #catalog.addItem('IW-{0} First common burst in master'.format(swath), minBurst, 'baseline') #catalog.addItem('IW-{0} Last common burst in master'.format(swath), maxBurst, 'baseline') #catalog.addItem('IW-{0} Number of bursts in slave'.format(swath), slave.numberOfBursts, 'baseline') #catalog.addItem('IW-{0} First common burst in slave'.format(swath), minBurst + burstOffset, 'baseline') #catalog.addItem('IW-{0} Last common burst in slave'.format(swath), maxBurst + burstOffset, 'baseline') #catalog.addItem('IW-{0} Number of common bursts'.format(swath), numberCommon, 'baseline') #refElp = Planet(pname='Earth').ellipsoid #Bpar = [] #Bperp = [] #for boff in [0, numberCommon-1]: ###Baselines at top of common bursts mBurst = master.bursts[ii-minMaster] sBurst = slave.bursts[ii-minSlave] ###Target at mid range tmid = mBurst.sensingMid rng = mBurst.midRange masterSV = mBurst.orbit.interpolate(tmid, method='hermite') target = mBurst.orbit.rdr2geo(tmid, rng) slvTime, slvrng = sBurst.orbit.geo2rdr(target) slaveSV = sBurst.orbit.interpolateOrbit(slvTime, method='hermite') targxyz = np.array(refElp.LLH(target[0], target[1], target[2]).ecef().tolist()) mxyz = np.array(masterSV.getPosition()) mvel = np.array(masterSV.getVelocity()) sxyz = np.array(slaveSV.getPosition()) aa = np.linalg.norm(sxyz-mxyz) costheta = (rng*rng + aa*aa - slvrng*slvrng)/(2.*rng*aa) Bpar.append(aa*costheta) perp = aa * np.sqrt(1 - costheta*costheta) direction = np.sign(np.dot( np.cross(targxyz-mxyz, sxyz-mxyz), mvel)) Bperp.append(direction*perp) #catalog.addItem('IW-{0} Bpar at midrange for first common burst'.format(swath), Bpar[0], 'baseline') #catalog.addItem('IW-{0} Bperp at midrange for first common burst'.format(swath), Bperp[0], 'baseline') #catalog.addItem('IW-{0} Bpar at midrange for last common burst'.format(swath), Bpar[1], 'baseline') #catalog.addItem('IW-{0} Bperp at midrange for last common burst'.format(swath), Bperp[1], 'baseline') print('Bprep: ', Bperp) print('Bpar: ', Bpar) f.write('swath: IW{0}'.format(swath) + '\n') f.write('Bperp (average): ' + str(np.mean(Bperp)) + '\n') f.write('Bpar (average): ' + str(np.mean(Bpar)) + '\n') f.close() #else: # print('Skipping processing for swath number IW-{0}'.format(swath)) #self._insar.commonBurstStartMasterIndex = commonBurstStartMasterIndex #self._insar.commonBurstStartSlaveIndex = commonBurstStartSlaveIndex #self._insar.numberOfCommonBursts = numberOfCommonBursts #if not any([x>=2 for x in self._insar.numberOfCommonBursts]): # print('No swaths contain any burst overlaps ... cannot continue for interferometry applications') #catalog.printToLog(logger, "runComputeBaseline") #self._insar.procDoc.addAllFromCatalog(catalog) if __name__ == '__main__': ''' Main driver. ''' main()