127 lines
4.2 KiB
Python
127 lines
4.2 KiB
Python
#!/usr/bin/env python3
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Copyright 2013 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: Piyush Agram
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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import os
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import logging
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import sys
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import isce
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import argparse
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from isceobj.Image import createImage,createDemImage
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from mroipac.looks.Looks import Looks
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class customArgparseFormatter(argparse.ArgumentDefaultsHelpFormatter, argparse.RawDescriptionHelpFormatter):
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'''
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For better help message that also shows the defaults.
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'''
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pass
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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='Take integer number of looks.',
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formatter_class=customArgparseFormatter,
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epilog = '''
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Example:
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looks.py -i input.file -o output.file -r 4 -a 4
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''')
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parser.add_argument('-i','--input', type=str, required=True, help='Input ISCEproduct with a corresponding .xml file.', dest='infile')
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parser.add_argument('-o','--output',type=str, default=None, help='Output ISCE DEproduct with a corresponding .xml file.', dest='outfile')
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parser.add_argument('-r', '--range', type=int, default=1, help='Number of range looks. Default: 1', dest='rglooks')
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parser.add_argument('-a', '--azimuth', type=int, default=1, help='Number of azimuth looks. Default: 1', dest='azlooks')
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values = parser.parse_args()
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if (values.rglooks == 1) and (values.azlooks == 1):
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print('Nothing to do. One look requested in each direction. Exiting ...')
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sys.exit(0)
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return values
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def main(inps):
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'''
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The main driver.
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'''
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if inps.infile.endswith('.xml'):
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inFileXml = inps.infile
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inFile = os.path.splitext(inps.infile)[0]
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else:
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inFile = inps.infile
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inFileXml = inps.infile + '.xml'
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if inps.outfile is None:
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spl = os.path.splitext(inFile)
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ext = '.{0}alks_{1}rlks'.format(inps.azlooks, inps.rglooks)
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outFile = spl[0] + ext + spl[1]
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elif inps.outfile.endswith('.xml'):
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outFile = os.path.splitext(inps.outfile)[0]
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else:
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outFile = inps.outfile
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print('Output filename : {0}'.format(outFile))
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#hackish, just to know the image type to instantiate the correct type
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#until we put the info about how to generate the instance in the xml
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from iscesys.Parsers.FileParserFactory import createFileParser
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FP = createFileParser('xml')
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tmpProp, tmpFact, tmpMisc = FP.parse(inFileXml)
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if('image_type' in tmpProp and tmpProp['image_type'] == 'dem'):
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inImage = createDemImage()
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else:
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inImage = createImage()
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inImage.load(inFileXml)
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inImage.filename = inFile
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lkObj = Looks()
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lkObj.setDownLooks(inps.azlooks)
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lkObj.setAcrossLooks(inps.rglooks)
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lkObj.setInputImage(inImage)
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lkObj.setOutputFilename(outFile)
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lkObj.looks()
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return outFile
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if __name__ == '__main__':
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'''
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Makes the script executable.
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'''
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inps = cmdLineParse()
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main(inps)
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