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Updated parser to use stripmapApp conventions for Doppler centroids (#641) 

* Updated to use stripmapApp conventions for Doppler centroids

* Added ROI_PAC to default Doppler method list
LT1AB
Gareth Funning 2023-01-04 20:17:37 +02:00 committed by GitHub
parent 60a021de43
commit 725d0d8653
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 10 deletions
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20
components/isceobj/Sensor/ROI_PAC.py
View File

@ -220,10 +220,10 @@ class ROI_PAC(Sensor):
Populate some extra fields.
"""
mdict = self.constants
self.dopplerVsRangePixel = [ float(mdict['DOPPLER_RANGE0']),
float(mdict['DOPPLER_RANGE1']),
float(mdict['DOPPLER_RANGE2']),
float(mdict['DOPPLER_RANGE3']) ]
prf=float(mdict['PRF'])
self.frame._dopplerVsPixel = [float(mdict['DOPPLER_RANGE0'])*prf,
float(mdict['DOPPLER_RANGE1'])*prf,
float(mdict['DOPPLER_RANGE2'])*prf ]
def extractImage(self):
"""Extract the raw image data"""
@ -236,14 +236,16 @@ class ROI_PAC(Sensor):
"""
Return the doppler centroid as defined in the HDF5 file.
"""
self._populateExtras()
prf = float(self.constants['PRF'])
quadratic = {}
dopp = self.dopplerVsRangePixel
dopp = self.frame._dopplerVsPixel
mid = 0.5*(int(self.constants['WIDTH']) - int(self.constants['XMIN']))
fd_mid = dopp[0] + (dopp[1] + (dopp[2] + dopp[3]*mid)*mid)*mid
fd_mid = dopp[0] + (dopp[1] + dopp[2]*mid)*mid
quadratic['a'] = dopp[0]
quadratic['b'] = dopp[1]
quadratic['c'] = dopp[2]
quadratic['a'] = dopp[0]/prf
quadratic['b'] = dopp[1]/prf
quadratic['c'] = dopp[2]/prf
return quadratic
rawFile = property(getRawFile, setRawFile)

2
components/isceobj/StripmapProc/Factories.py
View File

@ -76,7 +76,7 @@ def getDopplerMethod(sensor):
Return appropriate doppler method based on user input.
'''
if str(sensor).lower() in ["terrasarx","cosmo_skymed_slc","radarsat2",'tandemx', 'kompsat5','risat1_slc','sentinel1', 'alos2','ers_slc','alos_slc','envisat_slc', 'uavsar_rpi','cosmo_skymed','ers_envisat_slc','sicd_rgzero', 'iceye_slc', 'uavsar_hdf5_slc', 'saocom_slc']:
if str(sensor).lower() in ["terrasarx","cosmo_skymed_slc","radarsat2",'tandemx', 'kompsat5','risat1_slc','sentinel1', 'alos2','ers_slc','alos_slc','envisat_slc', 'uavsar_rpi','cosmo_skymed','ers_envisat_slc','sicd_rgzero', 'iceye_slc', 'uavsar_hdf5_slc', 'saocom_slc', 'roi_pac']:
res = 'useDEFAULT'
else:
res = 'useDOPIQ'