116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
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#!/usr/bin/env python3
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import isce
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from isceobj.Sensor import createSensor
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import shelve
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import argparse
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import glob
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from isceobj.Util import Poly1D
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from isceobj.Planet.AstronomicalHandbook import Const
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import os
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from mroipac.dopiq.DopIQ import DopIQ
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import copy
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def cmdLineParse():
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'''
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Command line parser.
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'''
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parser = argparse.ArgumentParser(description='Unpack CSK SLC data and store metadata in pickle file.')
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parser.add_argument('-i','--input', dest='h5dir', type=str,
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required=True, help='Input CSK directory')
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parser.add_argument('-o', '--output', dest='slcdir', type=str,
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required=True, help='Output SLC directory')
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parser.add_argument('-m', '--mult', dest='multiple', action='store_true',
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default=False, help='If stitching multiple frames')
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parser.add_Argument('-t', '--type', dest='orbtype', type=str, default='PRC',
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help='Orbit Type - PRC or ODR')
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return parser.parse_args()
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def unpack(hdf5, slcname,multiple=False,orbtype='PRC'):
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'''
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Unpack HDF5 to binary SLC file.
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'''
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if multiple:
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print('Trying multiple sub-dirs - ESA convention ...')
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imgname = glob.glob(os.path.join(hdf5, '*', 'DAT*'))
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ldrname = glob.glob(os.path.join(hdf5, '*', 'LEA*'))
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if (len(imgname)==0) or (len(ldrname) == 0):
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print('Did not find ESA style files in sub-dirs. Trying RPAC style in sub-dirs ....')
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imgname = glob.glob(os.path.join(hdf5, '*', 'IMA*'))
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ldrname = glob.glob(os.path.join(hdf5, '*', 'SAR*'))
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if (len(imgname)==0) or (len(ldrname) == 0):
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print('Did not find RPAC style files in sub-dirs. Trying RPAC style in same-dir ....')
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imgname = glob.glob(os.path.join(hdf5, 'IMA*'))
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ldrname = glob.glob(os.path.join(hdf5, 'SAR*'))
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else:
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imgname = [glob.glob(os.path.join(hdf5,'DAT*'))[0]]
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ldrname = [glob.glob(os.path.join(hdf5,'LEA*'))[0]]
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if not os.path.isdir(slcname):
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os.mkdir(slcname)
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date = os.path.basename(slcname)
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obj = createSensor('ERS')
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obj.configure()
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obj._imageFileList = imgname
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obj._leaderFileList = ldrname
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####Need to figure out 1/2 automatically also
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if orbtype == 'ODR':
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obj._orbitType = 'ODR'
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obj._orbitDir = '/Users/agram/orbit/ODR/ERS1'
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if orbtype == 'PRC':
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obj._orbitType = 'PRC'
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obj._orbitDir = '/Users/agram/orbit/PRC/ERS1'
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obj.output = os.path.join(slcname, date+'.raw')
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obj.extractImage()
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obj.frame.getImage().renderHdr()
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#####Estimate doppler
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dop = DopIQ()
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dop.configure()
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img = copy.deepcopy(obj.frame.getImage())
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img.setAccessMode('READ')
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dop.wireInputPort('frame', object=obj.frame)
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dop.wireInputPort('instrument', object=obj.frame.instrument)
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dop.wireInputPort('image', object=img)
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dop.calculateDoppler()
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dop.fitDoppler()
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fit = dop.quadratic
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coef = [fit['a'], fit['b'], fit['c']]
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print(coef)
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obj.frame._dopplerVsPixel = [x*obj.frame.PRF for x in coef]
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pickName = os.path.join(slcname, 'raw')
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with shelve.open(pickName) as db:
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db['frame'] = obj.frame
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if __name__ == '__main__':
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'''
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Main driver.
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'''
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inps = cmdLineParse()
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if inps.slcdir.endswith('/'):
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inps.slcdir = inps.slcdir[:-1]
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if inps.h5dir.endswith('/'):
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inps.h5dir = inps.h5dir[:-1]
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unpack(inps.h5dir, inps.slcdir,
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multiple=inps.multiple, orbtype=inps.orbtype)
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