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ISCE_INSAR/components/isceobj/StripmapProc/StripmapProc.py

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#
# Author: Heresh Fattahi
# Copyright 2017
#
from __future__ import print_function
import os
import logging
import logging.config
from iscesys.Component.Component import Component
from iscesys.DateTimeUtil.DateTimeUtil import DateTimeUtil as DTU
from iscesys.Compatibility import Compatibility
from isceobj.Scene.Frame import FrameMixin
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## Reference Secondary Hash Table
REFERENCE_SECONDARY = {0:'reference', 1:'secondary', 'reference':'reference', 'secondary':'secondary'}
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FIRST_SAMPLE_ACROSS = Component.Parameter('firstSampleAcross',
public_name='first sample across',
default=50,
type=int,
mandatory=False,
doc='')
FIRST_SAMPLE_DOWN = Component.Parameter('first sample down',
public_name='firstSampleDown',
default=50,
type=int,
mandatory=False,
doc='')
NUMBER_LOCATION_ACROSS = Component.Parameter('numberLocationAcross',
public_name='number location across',
default=40,
type=int,
mandatory=False,
doc='')
NUMBER_LOCATION_DOWN = Component.Parameter('numberLocationDown',
public_name='number location down',
default=40,
type=int,
mandatory=False,
doc='')
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REFERENCE_RAW_PRODUCT = Component.Parameter('referenceRawProduct',
public_name = 'reference raw product',
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default = None,
type = str,
mandatory = False,
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doc = 'reference raw product xml name')
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SECONDARY_RAW_PRODUCT = Component.Parameter('secondaryRawProduct',
public_name = 'secondary raw product',
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default = None,
type = str,
mandatory = False,
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doc = 'secondary raw product xml name')
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REFERENCE_RAW_CROP_PRODUCT = Component.Parameter('referenceRawCropProduct',
public_name = 'reference raw cropped product',
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default = None,
type = str,
mandatory = False,
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doc = 'reference raw cropped product xml name')
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SECONDARY_RAW_CROP_PRODUCT = Component.Parameter('secondaryRawCropProduct',
public_name = 'secondary raw cropped product',
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default = None,
type = str,
mandatory = False,
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doc = 'secondary raw cropped product xml name')
REFERENCE_SLC_PRODUCT = Component.Parameter('referenceSlcProduct',
public_name = 'reference slc product',
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default = None,
type = str,
mandatory = False,
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doc = 'reference slc product xml name')
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SECONDARY_SLC_PRODUCT = Component.Parameter('secondarySlcProduct',
public_name = 'secondary slc product',
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default = None,
type = str,
mandatory = False,
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doc = 'secondary slc product xml name')
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REFERENCE_SLC_CROP_PRODUCT = Component.Parameter('referenceSlcCropProduct',
public_name = 'reference slc cropped product',
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default = None,
type = str,
mandatory = False,
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doc = 'reference slc cropped product xml name')
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SECONDARY_SLC_CROP_PRODUCT = Component.Parameter('secondarySlcCropProduct',
public_name = 'secondary slc cropped product',
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default = None,
type = str,
mandatory = False,
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doc = 'secondary slc cropped product xml name')
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REFERENCE_GEOMETRY_SYSTEM = Component.Parameter('referenceGeometrySystem',
public_name = 'reference geometry system',
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default = None,
type = str,
mandatory = False,
doc = 'zero doppler or native doppler')
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SECONDARY_GEOMETRY_SYSTEM = Component.Parameter('secondaryGeometrySystem',
public_name = 'secondary geometry system',
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default = None,
type = str,
mandatory = False,
doc = 'zero doppler or native doppler')
GEOMETRY_DIRECTORY = Component.Parameter('geometryDirname',
public_name = 'geometry directory name',
default = 'geometry',
type = str,
mandatory = False,
doc = 'geometry directory name')
OFFSETS_DIRECTORY = Component.Parameter('offsetsDirname',
public_name = 'offsets directory name',
default = 'offsets',
type = str,
mandatory = False,
doc = 'offsets directory name')
DENSE_OFFSETS_DIRECTORY = Component.Parameter('denseOffsetsDirname',
public_name = 'dense offsets directory name',
default = 'denseOffsets',
type = str,
mandatory = False,
doc = 'directory name for dense offsets computed from cross correlating two SLC imaged')
COREG_DIRECTORY = Component.Parameter('coregDirname',
public_name = 'coreg slc directory name',
default = 'coregisteredSlc',
type = str,
mandatory = False,
doc = 'directory that contains coregistered slc')
COARSE_COREG_FILENAME = Component.Parameter('coarseCoregFilename',
public_name = 'coarse coreg slc filename',
default='coarse_coreg.slc',
type = str,
mandatory = False,
doc = 'coarse coreg slc name')
REFINED_COREG_FILENAME = Component.Parameter('refinedCoregFilename',
public_name = 'refined coreg slc filename',
default = 'refined_coreg.slc',
type = str,
mandatory = False,
doc = 'refined coreg slc name')
FINE_COREG_FILENAME = Component.Parameter('fineCoregFilename',
public_name='fine coreg slc filename',
default='fine_coreg.slc',
type = str,
mandatory = False,
doc = 'fine coreg slc name')
IFG_DIRECTORY = Component.Parameter('ifgDirname',
public_name = 'interferogram directory name',
default = 'interferogram',
type = str,
mandatory = False,
doc = 'interferogram directory name')
MISREG_DIRECTORY = Component.Parameter('misregDirname',
public_name = 'misregistration directory name',
default = 'misreg',
type = str,
mandatory = False,
doc = 'misregistration directory name')
SPLIT_SPECTRUM_DIRECTORY = Component.Parameter('splitSpectrumDirname',
public_name = 'split spectrum directory name',
default = 'SplitSpectrum',
type=str,
mandatory=False,
doc = 'split spectrum directory name')
LOWBAND_SLC_DIRECTORY = Component.Parameter('lowBandSlcDirname',
public_name = 'low band slc directory name',
default = 'lowBand',
type = str,
mandatory = False,
doc = 'directory that contains low-band SLCs after splitting their range spectrum')
IONOSPHERE_DIRECTORY = Component.Parameter('ionosphereDirname',
public_name='ionosphere directory',
default = 'ionosphere',
type=str,
mandatory=False,
doc = 'directory that contains split spectrum computations')
LOWBAND_RADAR_WAVELENGTH = Component.Parameter('lowBandRadarWavelength',
public_name = 'low band radar wavelength',
default = None,
type = float,
mandatory = False,
doc = '')
HIGHBAND_SLC_DIRECTORY = Component.Parameter('highBandSlcDirname',
public_name = 'high band slc directory name',
default = 'highBand',
type = str,
mandatory = False,
doc = 'directory that contains high-band SLCs after splitting their range spectrum')
HIGHBAND_RADAR_WAVELENGTH = Component.Parameter('highBandRadarWavelength',
public_name = 'high band radar wavelength',
default = None,
type = float,
mandatory = False,
doc = '')
COHERENCE_FILENAME = Component.Parameter('coherenceFilename',
public_name='coherence name',
default='phsig.cor',
type=str,
mandatory=False,
doc='Coherence file name')
CORRELATION_FILENAME = Component.Parameter('correlationFilename',
public_name = 'correlation name',
default = 'topophase.cor',
type = str,
mandatory = False,
doc = 'Correlation file name')
IFG_FILENAME = Component.Parameter('ifgFilename',
public_name='interferogram name',
default='topophase.flat',
type=str,
mandatory=False,
doc='Filename of the interferogram')
FILTERED_IFG_FILENAME = Component.Parameter('filtIfgFilename',
public_name = 'filtered interferogram name',
default = 'filt_topophase.flat',
type = str,
mandatory = False,
doc = 'Filtered interferogram filename')
UNWRAPPED_IFG_FILENAME = Component.Parameter('unwrappedIfgFilename',
public_name='unwrapped interferogram name',
default='filt_topophase.unw',
type=str,
mandatory=False,
doc='Unwrapped interferogram file name ')
CONNECTED_COMPONENTS_FILENAME = Component.Parameter('connectedComponentsFilename',
public_name='connected component filename',
default=None,
type=str,
mandatory=False,
doc='')
HEIGHT_FILENAME = Component.Parameter('heightFilename',
public_name='height file name',
default='z.rdr',
type=str,
mandatory=False,
doc='height file name')
GEOCODE_FILENAME = Component.Parameter('geocodeFilename',
public_name='geocode file name',
default='topophase.geo',
type=str,
mandatory=False,
doc='')
LOS_FILENAME = Component.Parameter('losFilename',
public_name='los file name',
default='los.rdr',
type=str,
mandatory=False,
doc='')
LAT_FILENAME = Component.Parameter('latFilename',
public_name='lat file name',
default='lat.rdr',
type=str,
mandatory=False,
doc='')
LON_FILENAME = Component.Parameter('lonFilename',
public_name='lon file name',
default='lon.rdr',
type=str,
mandatory=False,
doc='')
RANGE_OFFSET_FILENAME = Component.Parameter('rangeOffsetFilename',
public_name='range Offset Image Name',
default='range.off',
type=str,
mandatory=False,
doc='')
AZIMUTH_OFFSET_FILENAME = Component.Parameter('azimuthOffsetFilename',
public_name='azimuth Offset Image Name',
default='azimuth.off',
type=str,
mandatory=False,
doc='')
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# Modified by V. Brancato 10.07.2019
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AZIMUTH_RUBBERSHEET_FILENAME = Component.Parameter('azimuthRubbersheetFilename',
public_name='azimuth Rubbersheet Image Name',
default = 'azimuth_sheet.off',
type=str,
mandatory=False,
doc='')
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RANGE_RUBBERSHEET_FILENAME = Component.Parameter('rangeRubbersheetFilename',
public_name='range Rubbersheet Image Name',
default = 'range_sheet.off',
type=str,
mandatory=False,
doc='')
# End of modification
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MISREG_FILENAME = Component.Parameter('misregFilename',
public_name='misreg file name',
default='misreg',
type=str,
mandatory=False,
doc='misregistration file name')
DENSE_OFFSET_FILENAME = Component.Parameter('denseOffsetFilename',
public_name='dense Offset file name',
default='denseOffsets',
type=str,
mandatory=False,
doc='file name of dense offsets computed from cross correlating two SLC images')
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# Modified by V. Brancato 10.07.2019
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FILT_AZIMUTH_OFFSET_FILENAME = Component.Parameter('filtAzimuthOffsetFilename',
public_name='filtered azimuth offset filename',
default='filtAzimuth.off',
type=str,
mandatory=False,
doc='Filtered azimuth dense offsets')
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FILT_RANGE_OFFSET_FILENAME = Component.Parameter('filtRangeOffsetFilename',
public_name='filtered range offset filename',
default='filtRange.off',
type=str,
mandatory=False,
doc='Filtered range dense offsets')
# End of modification
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DISPERSIVE_FILENAME = Component.Parameter('dispersiveFilename',
public_name = 'dispersive phase filename',
default='dispersive.bil',
type=str,
mandatory=False,
doc='Dispersive phase from split spectrum')
NONDISPERSIVE_FILENAME = Component.Parameter('nondispersiveFilename',
public_name='nondispersive phase filename',
default='nondispersive.bil',
type=str,
mandatory=False,
doc='Non dispersive phase from split spectrum')
OFFSET_TOP = Component.Parameter(
'offset_top',
public_name='Top offset location',
default=None,
type=int,
mandatory=False,
doc='Ampcor-calculated top offset location. Overridden by workflow.'
)
OFFSET_LEFT = Component.Parameter(
'offset_left',
public_name='Left offset location',
default=None,
type=int,
mandatory=False,
doc='Ampcor-calculated left offset location. Overridden by workflow.')
DEM_FILENAME = Component.Parameter('demFilename',
public_name='dem image name',
default = None,
type = str,
mandatory = False,
doc = 'Name of the dem file')
DEM_CROP_FILENAME = Component.Parameter('demCropFilename',
public_name='dem crop filename',
default='dem.crop',
type=str,
mandatory=False,
doc='cropped dem file name')
FILTER_STRENGTH = Component.Parameter('filterStrength',
public_name='filter Strength',
default=0.7,
type=float,
mandatory=False,
doc='')
SECONDARY_RANGE_MIGRATION_FLAG = Component.Parameter('secondaryRangeMigrationFlag',
public_name='secondaryRangeMigrationFlag',
default=None,
type=str,
mandatory=False,
doc='')
ESTIMATED_BBOX = Component.Parameter('estimatedBbox',
public_name='Estimated bounding box',
default=None,
type = float,
container=list,
mandatory=False,
doc='Bounding box estimated by topo')
class StripmapProc(Component, FrameMixin):
"""
This class holds the properties, along with methods (setters and getters)
to modify and return their values.
"""
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parameter_list = (REFERENCE_RAW_PRODUCT,
SECONDARY_RAW_PRODUCT,
REFERENCE_RAW_CROP_PRODUCT,
SECONDARY_RAW_CROP_PRODUCT,
REFERENCE_SLC_PRODUCT,
SECONDARY_SLC_PRODUCT,
REFERENCE_SLC_CROP_PRODUCT,
SECONDARY_SLC_CROP_PRODUCT,
REFERENCE_GEOMETRY_SYSTEM,
SECONDARY_GEOMETRY_SYSTEM,
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GEOMETRY_DIRECTORY,
OFFSETS_DIRECTORY,
DENSE_OFFSETS_DIRECTORY,
COREG_DIRECTORY,
COARSE_COREG_FILENAME,
REFINED_COREG_FILENAME,
FINE_COREG_FILENAME,
IFG_DIRECTORY,
MISREG_DIRECTORY,
SPLIT_SPECTRUM_DIRECTORY,
HIGHBAND_SLC_DIRECTORY,
HIGHBAND_RADAR_WAVELENGTH,
LOWBAND_SLC_DIRECTORY,
IONOSPHERE_DIRECTORY,
LOWBAND_RADAR_WAVELENGTH,
DEM_FILENAME,
DEM_CROP_FILENAME,
IFG_FILENAME,
FILTERED_IFG_FILENAME,
UNWRAPPED_IFG_FILENAME,
CONNECTED_COMPONENTS_FILENAME,
COHERENCE_FILENAME,
CORRELATION_FILENAME,
HEIGHT_FILENAME,
LAT_FILENAME,
LON_FILENAME,
LOS_FILENAME,
RANGE_OFFSET_FILENAME,
AZIMUTH_OFFSET_FILENAME,
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AZIMUTH_RUBBERSHEET_FILENAME, # Added by V. Brancato 10.07.2019
RANGE_RUBBERSHEET_FILENAME, # Added by V. Brancato 10.07.2019
FILT_AZIMUTH_OFFSET_FILENAME, # Added by V. Brancato 10.07.2019
FILT_RANGE_OFFSET_FILENAME, # Added by V. Brancato 10.07.2019
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DENSE_OFFSET_FILENAME,
MISREG_FILENAME,
DISPERSIVE_FILENAME,
NONDISPERSIVE_FILENAME,
OFFSET_TOP,
OFFSET_LEFT,
FIRST_SAMPLE_ACROSS,
FIRST_SAMPLE_DOWN,
NUMBER_LOCATION_ACROSS,
NUMBER_LOCATION_DOWN,
SECONDARY_RANGE_MIGRATION_FLAG,
FILTER_STRENGTH,
ESTIMATED_BBOX,
)
facility_list = ()
family='insarcontext'
def __init__(self, name='', procDoc=None):
#self.updatePrivate()
super().__init__(family=self.__class__.family, name=name)
self.procDoc = procDoc
return None
def _init(self):
"""
Method called after Parameters are configured.
Determine whether some Parameters still have unresolved
Parameters as their default values and resolve them.
"""
#Determine whether the geocode_list still contains Parameters
#and give those elements the proper value. This will happen
#whenever the user doesn't provide as input a geocode_list for
#this component.
#for i, x in enumerate(self.geocode_list):
# if isinstance(x, Component.Parameter):
# y = getattr(self, getattr(x, 'attrname'))
# self.geocode_list[i] = y
return
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def getReferenceFrame(self):
return self._referenceFrame
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def getSecondaryFrame(self):
return self._secondaryFrame
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def getDemImage(self):
return self._demImage
def getNumberPatches(self):
return self._numberPatches
def getTopo(self):
return self._topo
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def setReferenceRawImage(self, image):
self._referenceRawImage = image
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def setSecondaryRawImage(self, image):
self._secondaryRawImage = image
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def setReferenceFrame(self, frame):
self._referenceFrame = frame
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def setSecondaryFrame(self, frame):
self._secondaryFrame = frame
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def setReferenceSquint(self, squint):
self._referenceSquint = squint
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def setSecondarySquint(self, squint):
self._secondarySquint = squint
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def setLookSide(self, lookSide):
self._lookSide = lookSide
def setDemImage(self, image):
self._demImage = image
def setNumberPatches(self, x):
self._numberPatches = x
def setTopo(self, topo):
self._topo = topo
## This overides the _FrameMixin.frame
@property
def frame(self):
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return self.referenceFrame
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# Some line violate PEP008 in order to facilitate using "grep"
# for development
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referenceFrame = property(getReferenceFrame, setReferenceFrame)
secondaryFrame = property(getSecondaryFrame, setSecondaryFrame)
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demImage = property(getDemImage, setDemImage)
numberPatches = property(getNumberPatches, setNumberPatches)
topo = property(getTopo, setTopo)
def loadProduct(self, xmlname):
'''
Load the product using Product Manager.
'''
from iscesys.Component.ProductManager import ProductManager as PM
pm = PM()
pm.configure()
obj = pm.loadProduct(xmlname)
return obj
def saveProduct(self, obj, xmlname):
'''
Save the product to an XML file using Product Manager.
'''
from iscesys.Component.ProductManager import ProductManager as PM
pm = PM()
pm.configure()
pm.dumpProduct(obj, xmlname)
return None
def numberOfLooks(self, frame, posting, azlooks, rglooks):
'''
Compute relevant number of looks.
'''
from isceobj.Planet.Planet import Planet
from isceobj.Constants import SPEED_OF_LIGHT
import numpy as np
azFinal = None
rgFinal = None
if azlooks is not None:
azFinal = azlooks
if rglooks is not None:
rgFinal = rglooks
if (azFinal is not None) and (rgFinal is not None):
return (azFinal, rgFinal)
if posting is None:
raise Exception('Input posting is none. Either specify (azlooks, rglooks) or posting in input file')
elp = Planet(pname='Earth').ellipsoid
####First determine azimuth looks
tmid = frame.sensingMid
sv = frame.orbit.interpolateOrbit( tmid, method='hermite') #.getPosition()
llh = elp.xyz_to_llh(sv.getPosition())
if azFinal is None:
hdg = frame.orbit.getENUHeading(tmid)
elp.setSCH(llh[0], llh[1], hdg)
sch, vsch = elp.xyzdot_to_schdot(sv.getPosition(), sv.getVelocity())
azFinal = max(int(np.round(posting * frame.PRF / vsch[0])), 1)
if rgFinal is None:
pulseLength = frame.instrument.pulseLength
chirpSlope = frame.instrument.chirpSlope
#Range Bandwidth
rBW = np.abs(chirpSlope)*pulseLength
# Slant Range resolution
rgres = abs(SPEED_OF_LIGHT / (2.0 * rBW))
r0 = frame.startingRange
rmax = frame.getFarRange()
rng =(r0+rmax)/2
Re = elp.pegRadCur
H = sch[2]
cos_beta_e = (Re**2 + (Re + H)**2 -rng**2)/(2*Re*(Re+H))
sin_bet_e = np.sqrt(1 - cos_beta_e**2)
sin_theta_i = sin_bet_e*(Re + H)/rng
print("incidence angle at the middle of the swath: ", np.arcsin(sin_theta_i)*180.0/np.pi)
groundRangeRes = rgres/sin_theta_i
print("Ground range resolution at the middle of the swath: ", groundRangeRes)
rgFinal = max(int(np.round(posting/groundRangeRes)),1)
return azFinal, rgFinal
@property
def geocode_list(self):
###Explicitly build the list of products that need to be geocoded by default
res = [ os.path.join( self.ifgDirname, self.ifgFilename), #Unfiltered complex interferogram
os.path.join( self.ifgDirname, 'filt_' + self.ifgFilename), #Filtered interferogram
os.path.join( self.ifgDirname, self.coherenceFilename), #Phase sigma coherence
os.path.join( self.ifgDirname, self.correlationFilename), #Unfiltered correlation
os.path.join( self.ifgDirname, swapExtension( 'filt_' + self.ifgFilename, ['.flat', '.int'], '.unw')), #Unwrap
os.path.join( self.ifgDirname, swapExtension( 'filt_' + self.ifgFilename, ['.flat', '.int'], '.unw'))+'.conncomp', #conncomp
os.path.join( self.geometryDirname, self.losFilename), #los
]
###If dispersive components are requested
res += [ os.path.join( self.ionosphereDirname, self.dispersiveFilename + ".unwCor.filt"), #Dispersive phase
os.path.join( self.ionosphereDirname, self.nondispersiveFilename + ".unwCor.filt"), #Non-dispersive
os.path.join( self.ionosphereDirname, 'mask.bil'), #Mask
]
return res
@property
def off_geocode_list(self):
prefix = os.path.join(self.denseOffsetsDirname, self.denseOffsetFilename)
res = [ prefix + '.bil',
prefix + '_snr.bil' ]
return res
###Utility to swap extensions
def swapExtension(infile, inexts, outext):
found = False
for ext in inexts:
if ext in infile:
outfile = infile.replace(ext, outext)
found = True
break
if not found:
raise Exception('Did not find extension {0} in file name {1}'.format(str(inexts), infile))
return outfile