124 lines
5.4 KiB
Python
124 lines
5.4 KiB
Python
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
# Copyright 2013 California Institute of Technology. ALL RIGHTS RESERVED.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
# United States Government Sponsorship acknowledged. This software is subject to
|
|
# U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
|
|
# (No [Export] License Required except when exporting to an embargoed country,
|
|
# end user, or in support of a prohibited end use). By downloading this software,
|
|
# the user agrees to comply with all applicable U.S. export laws and regulations.
|
|
# The user has the responsibility to obtain export licenses, or other export
|
|
# authority as may be required before exporting this software to any 'EAR99'
|
|
# embargoed foreign country or citizen of those countries.
|
|
#
|
|
# Authors: Kosal Khun, Marco Lavalle
|
|
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
|
|
|
# Comment: Adapted from InsarProc/runFormSLCisce.py
|
|
import logging
|
|
import stdproc
|
|
import isceobj
|
|
from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
|
|
|
|
logger = logging.getLogger('isce.isceProc.runFormSLCisce')
|
|
|
|
|
|
def runFormSLC(self, patchSize=None, goodLines=None, numPatches=None):
|
|
#NOTE tested the formslc() as a stand alone by passing the same inputs
|
|
#computed in Howard terraSAR.py. The differences here arises from the
|
|
#differences in the orbits when using the same orbits the results are very
|
|
#close jng this will make the second term in coarseAz in offsetprf equal
|
|
#zero. we do so since for tsx there is no such a term. Need to ask
|
|
#confirmation
|
|
self._isce.patchSize = self._isce.numberValidPulses
|
|
# the below value is zero because of we just did above, but just want to be
|
|
# explicit in the definition of is_mocomp
|
|
self._isce.get_is_mocomp()
|
|
|
|
v, h = self._isce.vh()
|
|
peg = self._isce.peg
|
|
dopplerCentroid = self._isce.dopplerCentroid
|
|
stdWriter = self._stdWriter
|
|
sensorname = self.sensorName
|
|
|
|
for sceneid in self._isce.selectedScenes:
|
|
#self._isce.slcImages[sceneid] = {} #ML
|
|
self._isce.formSLCs[sceneid] = {}
|
|
for pol in self._isce.selectedPols:
|
|
frame = self._isce.frames[sceneid][pol]
|
|
orbit = self._isce.orbits[sceneid][pol]
|
|
rawImage = self._isce.slcImages[sceneid][pol]
|
|
catalog = isceobj.Catalog.createCatalog(self._isce.procDoc.name)
|
|
sid = self._isce.formatname(sceneid, pol)
|
|
slcImage, formSlc = run(rawImage, frame, dopplerCentroid, orbit, peg, v, h, sensorname, stdWriter, catalog=catalog, sceneid=sid)
|
|
self._isce.slcImages[sceneid][pol] = slcImage
|
|
self._isce.formSLCs[sceneid][pol] = formSlc
|
|
|
|
self._isce.numberPatches = slcImage.getLength() / float(self._isce.numberValidPulses)
|
|
|
|
|
|
def run(rawImage, frame, dopplerCentroid, orbit, peg, velocity, height, sensorname, stdWriter, catalog=None, sceneid='NO_ID'):
|
|
logger.info("Forming SLC: %s" % sceneid)
|
|
|
|
imSlc = isceobj.createSlcImage()
|
|
IU.copyAttributes(rawImage, imSlc)
|
|
imSlc.setAccessMode('read')
|
|
imSlc.createImage()
|
|
formSlc = stdproc.createFormSLC(sensorname)
|
|
formSlc.setBodyFixedVelocity(velocity)
|
|
formSlc.setSpacecraftHeight(height)
|
|
formSlc.wireInputPort(name='doppler', object=dopplerCentroid)
|
|
formSlc.wireInputPort(name='peg', object=peg)
|
|
formSlc.wireInputPort(name='frame', object=frame)
|
|
formSlc.wireInputPort(name='orbit', object=orbit)
|
|
formSlc.wireInputPort(name='rawImage', object=None)
|
|
formSlc.wireInputPort(name='planet', object=frame.instrument.platform.planet)
|
|
for item in formSlc.inputPorts:
|
|
item()
|
|
formSlc.slcWidth = imSlc.getWidth()
|
|
formSlc.startingRange = formSlc.rangeFirstSample
|
|
formSlc.rangeChirpExtensionsPoints = 0
|
|
formSlc.setLookSide(frame.platform.pointingDirection)
|
|
formSlc.slcSensingStart = frame.getSensingStart()
|
|
formSlc.outOrbit = orbit
|
|
|
|
formSlc.stdWriter = stdWriter.set_file_tags("formslcISCE",
|
|
"log",
|
|
"err",
|
|
"out")
|
|
|
|
time, position, vel, relTo = orbit._unpackOrbit()
|
|
mocomp_array = [[],[]]
|
|
for (t, p) in zip(time, position):
|
|
mocomp_array[0].append(t-time[0])
|
|
mocomp_array[1].append( p[0])
|
|
|
|
formSlc.mocompPosition = mocomp_array
|
|
formSlc.mocompIndx = list(range(1,len(time)+1))
|
|
formSlc.dim1_mocompPosition = 2
|
|
formSlc.dim2_mocompPosition = len(time)
|
|
formSlc.dim1_mocompIndx = len(time)
|
|
|
|
|
|
# slcImage = formSlc()
|
|
imSlc.finalizeImage()
|
|
if catalog is not None:
|
|
isceobj.Catalog.recordInputsAndOutputs(catalog, formSlc,
|
|
"runFormSLCisce.%s" % sceneid,
|
|
logger,
|
|
"runFormSLCisce.%s" % sceneid)
|
|
return imSlc, formSlc
|