645 lines
24 KiB
Python
645 lines
24 KiB
Python
#!/usr/bin/env python3
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2010 California Institute of Technology. ALL RIGHTS RESERVED.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# United States Government Sponsorship acknowledged. This software is subject to
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# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
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# (No [Export] License Required except when exporting to an embargoed country,
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# end user, or in support of a prohibited end use). By downloading this software,
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# the user agrees to comply with all applicable U.S. export laws and regulations.
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# The user has the responsibility to obtain export licenses, or other export
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# authority as may be required before exporting this software to any 'EAR99'
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# embargoed foreign country or citizen of those countries.
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#
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# Author: Giangi Sacco
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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from __future__ import print_function
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import time
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import os
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import isce
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import isceobj
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import iscesys
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from iscesys.Compatibility import Compatibility
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from isceobj.Pause import pause
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from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
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from iscesys.Component.Application import Application
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from isce.applications.insarApp import _InsarBase, logger
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class Dpm(_InsarBase):
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"""Dpm Application class:
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Implements Dpm processing flow for a pair of scenes from
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sensor raw data to geocoded correlation.
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"""
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def __init__(self):
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super(Dpm, self).__init__()
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## This indicates something has gone wrong, I must delete geocode.
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del self.runGeocode
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## extends _InsarBase_steps, but not in the same was as main
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def _steps(self):
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super(Dpm, self)._steps()
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# Geocode
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self.step('geocodecorifg', func=self.geocodeCorIfg)
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self.step('geocodecor4rlks', func=self.geocodeCor4rlks)
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self.step('renderProcDoc', func=self.renderProcDoc)
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self.step('timerend', local='timeEnd',func=time.time)
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self.step('logtime', func=logger.info,
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delayed_args = (" 'Total Time: %i seconds'%(timeEnd-timeStart)",)
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)
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return None
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def renderProcDoc(self):
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self.insar.procDoc.renderXml()
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def coherence(self):
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self.runCoherence(self.correlation_method)
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self.renderProcDoc()
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def geocodeCorIfg(self):
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corFilename = self.insar.coherenceFilename
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corintFilename = corFilename.replace('.cor','.corint')
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widthInt = self.insar.resampIntImage.width
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rmg_to_cmplx(corFilename,corintFilename,widthInt)
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corintGeocodeFilename = corintFilename+'.geo'
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demGeocodeFilename = corintFilename+'.demcrop'
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geo = self.runGeocode(corintFilename,
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widthInt,
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corintGeocodeFilename,
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demGeocodeFilename)
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geoWidth = geo.computeGeoImageWidth()
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print("geocodecor: widthGeo = ", geoWidth)
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ifgGeocodeFilename = self.insar.geocodeFilename
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demCropFilename = self.insar.demCropFilename
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topoflatIntFilename = self.insar.topophaseFlatFilename
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widthInt = self.insar.resampIntImage.width
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geo = self.runGeocode(topoflatIntFilename,
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widthInt,
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ifgGeocodeFilename,
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demCropFilename)
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geoWidth = geo.computeGeoImageWidth()
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print("geocodeifg: widthGeo = ", geoWidth)
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corGeocodeFilename = corFilename + '.geo'
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cmplx_to_rmg(corintGeocodeFilename, corGeocodeFilename, geoWidth)
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self.geo_to_rsc(ifgGeocodeFilename, corGeocodeFilename)
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return None
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def geocodeCor4rlks(self):
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corFilename = self.insar.coherenceFilename
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corintFilename = corFilename.replace('.cor','.corint')
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widthInt = self.insar.resampIntImage.width
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#Not the right place for this block. Create the 4rlks correlation file and
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# geocode it.
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#~/Util/isce/components/mroipac/looks/Nbymhgt.py
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# topophase.cor topophase_4rlks.cor 9480 4 4
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cor4rlksFilename = corFilename.replace('.cor','_4rlks.cor')
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from mroipac.looks.Nbymhgt import Nbymhgt
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nbymh = Nbymhgt()
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nbymh.inputImage = corFilename
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nbymh.outputImage = cor4rlksFilename
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nbymh.width = widthInt
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nbymh.rangeLook = 4
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nbymh.azimuthLook = 4
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nbymh.nbymhgt()
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width4rlksInt = widthInt/4
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corint4rlksFilename = cor4rlksFilename.replace('.cor','.corint')
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rmg_to_cmplx(cor4rlksFilename, corint4rlksFilename, width4rlksInt)
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corint4rlksGeocodeFilename = corint4rlksFilename+'.geo'
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dem4rlksGeocodeFilename = corint4rlksFilename+'.demcrop'
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geo4rlks = self.runGeocode4rlks(corint4rlksFilename,
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width4rlksInt,
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corint4rlksGeocodeFilename,
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dem4rlksGeocodeFilename)
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geo4rlksWidth = geo4rlks.computeGeoImageWidth()
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print("geocodecor: widthGeo = ", geo4rlksWidth)
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cor4rlksGeocodeFilename = cor4rlksFilename + '.geo'
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cmplx_to_rmg(corint4rlksGeocodeFilename, cor4rlksGeocodeFilename, geo4rlksWidth)
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# self.geo_to_rsc(ifgGeocodeFilename,corGeocodeFilename)
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return None
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def geo_to_rsc(self, ifgGeoFile, corGeoFile):
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from isceobj.XmlUtil.XmlUtil import XmlUtil
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xmlDat = {'Coordinate1':{'size':None,'startingValue':None,'delta':None},
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'Coordinate2':{'size':None,'startingValue':None,'delta':None}}
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rscXML = {'WIDTH':('Coordinate1','size'),
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'X_FIRST':('Coordinate1','startingValue'),
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'X_STEP':('Coordinate1','delta'),
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'FILE_LENGTH':('Coordinate2','size'),
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'Y_FIRST':('Coordinate2','startingValue'),
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'Y_STEP':('Coordinate2','delta')}
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rscOrder = ('WIDTH','FILE_LENGTH','X_FIRST','X_STEP','Y_FIRST','Y_STEP')
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ifgGeoXmlFile = ifgGeoFile + '.xml'
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xu = XmlUtil()
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xuf = xu.readFile(ifgGeoXmlFile)
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c = xuf.findall('component')
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for cx in c:
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cxn = cx.attrib['name']
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p = cx.findall('property')
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for e in p:
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xmlDat[cxn][e.attrib['name']] = e.findall('value')[0].text
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corGeoRscFile = corGeoFile + '.rsc'
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with open(corGeoRscFile,'w') as RSC:
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spc = " "*25
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for a in rscOrder:
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RSC.write(
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"%s%s%s\n" % (a,spc[0:25-len(a)],xmlDat[rscXML[a][0]][rscXML[a][1]])
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)
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return None
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def runGeocode(self, inFilename, widthIn, geoFilename, demcropFilename):
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import stdproc
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from isceobj import createDemImage
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print("runGeocode: inFilename, widthIn = ", inFilename, widthIn)
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print("runGeocode: geoFilename, demcropFilename = ", geoFilename, demcropFilename)
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logger.info("Geocoding Image")
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# Initialize the Dem
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demImage = createDemImage()
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IU.copyAttributes(self.insar.demImage, demImage)
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demImage.setAccessMode('read')
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demImage.createImage()
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# Initialize the flattened interferogram
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from isceobj import createIntImage, createImage
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intImage = createIntImage()
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intImage.filename = inFilename
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intImage.width = widthIn
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intImage.setAccessMode('read')
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intImage.createImage()
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minLat, maxLat, minLon, maxLon = self.insar.topo.snwe
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planet = self.insar.referenceFrame.instrument.getPlatform().getPlanet()
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objGeo = stdproc.createGeocode()
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objGeo.listInputPorts()
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objGeo.wireInputPort(name='peg',object=self.insar.peg)
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objGeo.wireInputPort(name='frame',object=self.insar.referenceFrame)
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objGeo.wireInputPort(name='planet',object=planet)
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objGeo.wireInputPort(name='dem',object=demImage)
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objGeo.wireInputPort(name='interferogram',object=intImage)
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objGeo.wireInputPort(name='geoPosting', object=self.geoPosting)
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print("self.geoPosting = ", self.geoPosting)
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objGeo.snwe = minLat, maxLat, minLon, maxLon
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objGeo.geoFilename = geoFilename
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objGeo.demCropFilename = demcropFilename
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#set the tag used in the outfile. each message is precided by this tag
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#is the writer is not of "file" type the call has no effect
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objGeo.stdWriter = self.stdWriter.set_file_tags("geocode", "log", "err", "out")
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# see mocompbaseline
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objFormSlc1 = self.insar.formSLC1
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mocompPosition1 = objFormSlc1.getMocompPosition()
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posIndx = 1
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objGeo.referenceOrbit = mocompPosition1[posIndx]
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prf1 = self.insar.referenceFrame.instrument.getPulseRepetitionFrequency()
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dp = self.insar.dopplerCentroid.getDopplerCoefficients(inHz=False)[0]
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v = self.insar.procVelocity
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h = self.insar.averageHeight
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objGeo.setDopplerCentroidConstantTerm(dp)
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objGeo.setBodyFixedVelocity(v)
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objGeo.setSpacecraftHeight(h)
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objGeo.setNumberRangeLooks(self.insar.numberRangeLooks)
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objGeo.setNumberAzimuthLooks(self.insar.numberAzimuthLooks)
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# I have no idea what ismocomp means
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goodLines = self.insar.numberValidPulses
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patchSize = self.insar.patchSize
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# this variable was hardcoded in geocode.f90 and was equal to (8192 - 2048)/2
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is_mocomp = self.insar.is_mocomp
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# is_mocomp = int((patchSize - goodLines)/2)
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objGeo.setISMocomp(is_mocomp)
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objGeo.geocode()
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intImage.finalizeImage()
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demImage.finalizeImage()
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return objGeo
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def runGeocode4rlks(self, inFilename, widthIn, geoFilename, demcropFilename):
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import stdproc
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from isceobj import createIntImage, createImage
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print("runGeocode4rlks: inFilename, widthIn = ", inFilename, widthIn)
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print("runGeocode4rlks: geoFilename, demcropFilename = ",
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geoFilename,
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demcropFilename)
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pause(message="Paused in runGeocode4rlks")
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logger.info("Geocoding Image")
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# Initialize the Dem
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from isceobj import createDemImage
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demImage = createDemImage()
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IU.copyAttributes(self.insar.demImage,demImage)
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demImage.setAccessMode('read')
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demImage.createImage()
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print("demImage.firstLatitude = ", demImage.firstLatitude)
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print("demImage.firstLongitude = ", demImage.firstLongitude)
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print("demImage.deltaLatitude = ", demImage.deltaLatitude)
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print("demImage.deltaLongitude = ", demImage.deltaLongitude)
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print("demImage.width = ", demImage.width)
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print("demImage.length = ", demImage.length)
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demImage_lastLatitude = (
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demImage.firstLatitude + (demImage.length-1)*demImage.deltaLatitude
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)
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demImage_lastLongitude = (
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demImage.firstLongitude + (demImage.width-1)*demImage.deltaLongitude
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)
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print("demImage_lastLatitude = ", demImage_lastLatitude)
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print("demImage_lastLongitude = ", demImage_lastLongitude)
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# Initialize the input image
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intImage = createIntImage()
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intImage.setFilename(inFilename)
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intImage.setWidth(widthIn)
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intImage.setAccessMode('read')
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intImage.createImage()
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minLat, maxLat, minLon, maxLon = self.insar.topo.snwe
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print("objTopo.minLat = ", minLat)
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print("objTopo.minLon = ", minLon)
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print("objTopo.maxLat = ", maxLat)
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print("objTopo.maxLon = ", maxLon)
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pause(message="Paused in runGeocode4rlks")
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planet = self.insar.referenceFrame.instrument.getPlatform().getPlanet()
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objGeo = stdproc.createGeocode()
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objGeo.listInputPorts()
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objGeo.wireInputPort(name='peg',object=self.insar.peg)
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# objGeo.wireInputPort(name='frame',object=self.insar.referenceFrame)
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objGeo.rangeFirstSample = self.insar.referenceFrame.getStartingRange()
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objGeo.slantRangePixelSpacing = self.insar.referenceFrame.instrument.getRangePixelSize()*4
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objGeo.prf = self.insar.referenceFrame.instrument.getPulseRepetitionFrequency()
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objGeo.radarWavelength = self.insar.referenceFrame.instrument.getRadarWavelength()
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objGeo.wireInputPort(name='planet',object=planet)
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objGeo.wireInputPort(name='dem',object=demImage)
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objGeo.wireInputPort(name='interferogram',object=intImage)
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print("self.geoPosting = ",self.geoPosting)
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objGeo.wireInputPort(name='geoPosting',object=self.geoPosting)
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objGeo.snwe = minLat, maxLat, minLon, maxLon
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objGeo.setGeocodeFilename(geoFilename)
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objGeo.setDemCropFilename(demcropFilename)
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#set the tag used in the outfile. each message is precided by this tag
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#is the writer is not of "file" type the call has no effect
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objGeo.stdWriter = self.stdWriter.set_file_tags("geocode", "log", "err", "out")
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# see mocompbaseline
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objFormSlc1 = self.insar.formSLC1
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mocompPosition1 = objFormSlc1.getMocompPosition()
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posIndx = 1
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objGeo.setReferenceOrbit(mocompPosition1[posIndx])
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prf1 = self.insar.referenceFrame.instrument.getPulseRepetitionFrequency()
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dp = self.insar.dopplerCentroid.getDopplerCoefficients(inHz=False)[0]
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v = self.insar.procVelocity
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h = self.insar.averageHeight
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objGeo.setDopplerCentroidConstantTerm(dp)
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objGeo.setBodyFixedVelocity(v)
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objGeo.setSpacecraftHeight(h)
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objGeo.setNumberRangeLooks(1.0) #self.insar.numberRangeLooks)
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objGeo.setNumberAzimuthLooks(1.0) #self.insar.numberAzimuthLooks)
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# I have no idea what ismocomp means
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goodLines = self.insar.numberValidPulses
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patchSize = self.insar.patchSize
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# this variable was hardcoded in geocode.f90 and was equal to (8192 - 2048)/2
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is_mocomp = self.insar.is_mocomp
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# is_mocomp = int((patchSize - goodLines)/2)
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objGeo.setISMocomp(is_mocomp)
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objGeo.geocode()
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print("Input state paraemters to gecode.f90:")
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print("Minimum Latitude = ", objGeo.minimumLatitude)
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print("Maximum Latitude = ", objGeo.maximumLatitude)
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print("Minimum Longitude = ", objGeo.minimumLongitude)
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print("Maximum Longitude = ", objGeo.maximumLongitude)
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print("Ellipsoid Major Semi Axis = ", objGeo.ellipsoidMajorSemiAxis)
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print("Ellipsoid Eccentricity Squared = ", objGeo.ellipsoidEccentricitySquared)
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print("Peg Latitude = ", objGeo.pegLatitude)
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print("Peg Longitude = ", objGeo.pegLongitude)
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print("Peg Heading = ", objGeo.pegHeading)
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print("Range Pixel Spacing = ", objGeo.slantRangePixelSpacing)
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print("Range First Sample = ", objGeo.rangeFirstSample)
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print("Spacecraft Height = ", objGeo.spacecraftHeight)
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print("Planet Local Radius = ", objGeo.planetLocalRadius)
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print("Body Fixed Velocity = ", objGeo.bodyFixedVelocity)
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print("Doppler Centroid Constant Term = ", objGeo.dopplerCentroidConstantTerm)
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print("PRF = ", objGeo.prf)
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print("Radar Wavelength = ", objGeo.radarWavelength)
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print("S Coordinate First Line = ", objGeo.sCoordinateFirstLine)
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print("Azimuth Spacing = ", objGeo.azimuthSpacing)
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print("First Latitude = ", objGeo.firstLatitude)
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print("First Longitude = ", objGeo.firstLongitude)
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print("Delta Latitude = ", objGeo.deltaLatitude)
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print("Delta Longitude = ", objGeo.deltaLongitude)
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print("Length = ", objGeo.length)
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print("Width = ", objGeo.width)
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print("Number Range Looks = ", objGeo.numberRangeLooks)
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print("Number Azimuth Looks = ", objGeo.numberAzimuthLooks)
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print("Number Points Per DEM Post = ", objGeo.numberPointsPerDemPost)
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print("Is Mocomp = ", objGeo.isMocomp)
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print("DEM Width = ", objGeo.demWidth)
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print("DEM Length = ", objGeo.demLength)
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# print("Reference Orbit = ", objGeo.referenceOrbit)
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print("Dim1 Reference Orbit = ", objGeo.dim1_referenceOrbit)
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intImage.finalizeImage()
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demImage.finalizeImage()
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return objGeo
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def runGeocodeCor(self):
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import stdproc
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logger.info("Geocoding Correlation")
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objFormSlc1 = self.insar.formSLC1
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# Initialize the Dem
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from isceobj import createDemImage, createIntImage, createImage
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demImage = createDemImage()
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IU.copyAttributes(self.insar.demImage,demImage)
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demImage.setAccessMode('read')
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demImage.createImage()
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topoflatIntFilename = self.insar.topophaseFlatFilename
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widthInt = self.insar.resampIntImage.width
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intImage = createIntImage()
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widthInt = self.insar.resampIntImage.width
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intImage.setFilename(corintFilename)
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intImage.setWidth(widthInt)
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intImage.setAccessMode('read')
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intImage.createImage()
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posIndx = 1
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mocompPosition1 = objFormSlc1.getMocompPosition()
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minLat, maxLat, minLon, maxLon = self.insar.topo.snwe
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planet = self.insar.referenceFrame.instrument.getPlatform().getPlanet()
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objGeo = stdproc.createGeocode()
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objGeo.wireInputPort(name='peg',object=self.insar.peg)
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objGeo.wireInputPort(name='frame',object=self.insar.referenceFrame)
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objGeo.wireInputPort(name='planet',object=planet)
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objGeo.wireInputPort(name='dem',object=demImage)
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objGeo.wireInputPort(name='interferogram',object=intImage)
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objGeo.snwe = minLat, maxLat, minLon, maxLon
|
|
corGeocodeFilename = corintFilename+'.geo'
|
|
demGeocodeFilename = corintFilename+'.demcrop'
|
|
objGeo.setGeocodeFilename(corGeocodeFilename)
|
|
objGeo.setDemCropFilename(demGeocodeFilename)
|
|
#set the tag used in the outfile. each message is precided by this tag
|
|
#is the writer is not of "file" type the call has no effect
|
|
objGeo.stdWriter = self.stdWriter.set_file_tags("geocode", "log", "err", "out")
|
|
# see mocompbaseline
|
|
objGeo.setReferenceOrbit(mocompPosition1[posIndx])
|
|
prf1 = self.insar.referenceFrame.instrument.getPulseRepetitionFrequency()
|
|
dp = self.insar.dopplerCentroid.getDopplerCoefficients(inHz=False)[0]
|
|
v = self.insar.procVelocity
|
|
h = self.insar.averageHeight
|
|
objGeo.setDopplerCentroidConstantTerm(dp)
|
|
objGeo.setBodyFixedVelocity(v)
|
|
objGeo.setSpacecraftHeight(h)
|
|
objGeo.setNumberRangeLooks(self.insar.numberRangeLooks)
|
|
objGeo.setNumberAzimuthLooks(self.insar.numberAzimuthLooks)
|
|
# I have no idea what ismocomp means
|
|
goodLines = self.insar.numberValidPulses
|
|
patchSize = self.insar.patchSize
|
|
# this variable was hardcoded in geocode.f90 and was equal to (8192 - 2048)/2
|
|
is_mocomp = int((patchSize - goodLines)/2)
|
|
objGeo.setISMocomp(is_mocomp)
|
|
|
|
objGeo.geocode()
|
|
|
|
intImage.finalizeImage()
|
|
demImage.finalizeImage()
|
|
return objGeo
|
|
|
|
|
|
def restart(self):
|
|
print("Restarting with Filtering")
|
|
return
|
|
|
|
## main() extends _InsarBase.main()
|
|
def main(self):
|
|
import time
|
|
timeStart = time.time()
|
|
|
|
super(Dpm, self).main()
|
|
|
|
# self.runCorrect()
|
|
|
|
self.runShadecpx2rg()
|
|
|
|
self.runRgoffset()
|
|
|
|
# Cull offoutliers
|
|
self.iterate_runOffoutliers()
|
|
|
|
self.runResamp_only()
|
|
|
|
self.insar.topoIntImage=self.insar.resampOnlyImage
|
|
self.runTopo()
|
|
self.runCorrect()
|
|
|
|
# Coherence ?
|
|
self.runCoherence(method=self.correlation_method)
|
|
|
|
#ouput the procDoc and pause in order to process coherence off line
|
|
#this processing should really be done using _steps.
|
|
self.insar.procDoc.renderXml()
|
|
pause(message="Paused in main")
|
|
|
|
# Filter ?
|
|
self.runFilter()
|
|
|
|
# Unwrap ?
|
|
self.verifyUnwrap()
|
|
|
|
# Geocode
|
|
self.geocodeCorIfg()
|
|
|
|
timeEnd = time.time()
|
|
logger.info("Total Time: %i seconds" %(timeEnd - timeStart))
|
|
|
|
self.insar.procDoc.renderXml()
|
|
|
|
return None
|
|
|
|
|
|
def rmgcor_ifgphs_to_cmplx(rmg,ifg,cpx,width):
|
|
import struct
|
|
import math
|
|
|
|
raise DeprecationWarning("Don't ude this function")
|
|
|
|
length = int(os.stat(ifg).st_size/8./width)
|
|
|
|
rmgFile = open(rmg,'rb')
|
|
ifgFile = open(ifg,'rb')
|
|
cpxFile = open(cpx,'wb')
|
|
|
|
w = int(width)
|
|
width2 = 2*w
|
|
fmt = "%df" % (width2,)
|
|
aCpxLine = [0.0]*width2
|
|
|
|
for iii in range(length):
|
|
anIfgLine = struct.unpack(fmt,ifgFile.read(width2*4))
|
|
aRmgLine = struct.unpack(fmt,rmgFile.read(width2*4))
|
|
for jjj in range(w):
|
|
ifgPhase = math.atan2(anIfgLine[2*jjj+1],anIfgLine[2*jjj])
|
|
# ampVal = aRmgLine[jjj]
|
|
corVal = aRmgLine[w+jjj]
|
|
aCpxLine[2*jjj] = corVal*math.cos(ifgPhase)
|
|
aCpxLine[2*jjj+1] = corVal*math.sin(ifgPhase)
|
|
cpxFile.write(struct.pack(fmt,*aCpxLine))
|
|
|
|
rmgFile.close()
|
|
ifgFile.close()
|
|
cpxFile.close()
|
|
return
|
|
|
|
def ifg1amp_ifg2amp_to_rmg(ifg1,ifg2,rmg,width):
|
|
import struct
|
|
import math
|
|
|
|
raise DeprecationWarning("Don't ude this function")
|
|
|
|
length = int(os.stat(ifg1).st_size/8./width)
|
|
|
|
ifg1File = open(ifg1,'rb')
|
|
ifg2File = open(ifg2,'rb')
|
|
rmgFile = open(rmg,'wb')
|
|
|
|
w = int(width)
|
|
width2 = 2*w
|
|
fmt = "%df" % (width2,)
|
|
aRmgLine = [0.0]*width2
|
|
|
|
for iii in range(length):
|
|
anIfg1Line = struct.unpack(fmt,ifg1File.read(width2*4))
|
|
anIfg2Line = struct.unpack(fmt,ifg2File.read(width2*4))
|
|
for jjj in range(w):
|
|
amp1 = math.sqrt(anIfg1Line[2*jjj]**2 + anIfg1Line[2*jjj+1]**2)
|
|
amp2 = math.sqrt(anIfg2Line[2*jjj]**2 + anIfg2Line[2*jjj+1]**2)
|
|
aRmgLine[jjj] = amp1
|
|
aRmgLine[w + jjj] = amp2
|
|
rmgFile.write(struct.pack(fmt,*aRmgLine))
|
|
|
|
ifg1File.close()
|
|
ifg2File.close()
|
|
rmgFile.close()
|
|
return
|
|
|
|
def rmg_to_cmplx(rmg,cpx,width):
|
|
import struct
|
|
import math
|
|
|
|
length = int(os.stat(rmg).st_size/8./width)
|
|
|
|
rmgFile = open(rmg,'rb')
|
|
cpxFile = open(cpx,'wb')
|
|
|
|
w = int(width)
|
|
width2 = 2*w
|
|
fmt = "%df" % (width2,)
|
|
aCpxLine = [0.0]*width2
|
|
|
|
for iii in range(length):
|
|
aRmgLine = struct.unpack(fmt,rmgFile.read(width2*4))
|
|
for jjj in range(w):
|
|
ampVal = aRmgLine[jjj]
|
|
corVal = aRmgLine[w+jjj]
|
|
aCpxLine[2*jjj] = ampVal
|
|
aCpxLine[2*jjj+1] = corVal
|
|
cpxFile.write(struct.pack(fmt,*aCpxLine))
|
|
|
|
rmgFile.close()
|
|
cpxFile.close()
|
|
return
|
|
|
|
def cmplx_to_rmg(ifg1,rmg,width):
|
|
import struct
|
|
import math
|
|
|
|
length = int(os.stat(ifg1).st_size/8./width)
|
|
|
|
ifg1File = open(ifg1,'rb')
|
|
rmgFile = open(rmg,'wb')
|
|
|
|
w = int(width)
|
|
width2 = 2*w
|
|
fmt = "%df" % (width2,)
|
|
aRmgLine = [0.0]*width2
|
|
|
|
for iii in range(length):
|
|
anIfg1Line = struct.unpack(fmt,ifg1File.read(width2*4))
|
|
for jjj in range(w):
|
|
amp1 = anIfg1Line[2*jjj]
|
|
amp2 = anIfg1Line[2*jjj+1]
|
|
aRmgLine[jjj] = amp1
|
|
aRmgLine[w + jjj] = amp2
|
|
rmgFile.write(struct.pack(fmt,*aRmgLine))
|
|
|
|
ifg1File.close()
|
|
rmgFile.close()
|
|
return
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
dpm = Dpm()
|
|
dpm.run()
|
|
|