116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
#!/usr/bin/env python3
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###############################################################################
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# $Id: histrep.py e4fe7cc06270e5f38dfe78e6785a6bcca4e39e29 2021-04-01 21:02:04 +0300 Idan Miara $
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#
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# Project: GDAL Python Samples
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# Purpose: Report histogram from file.
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# Author: Frank Warmerdam, warmerdam@pobox.com
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#
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###############################################################################
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# Copyright (c) 2005, Frank Warmerdam, warmerdam@pobox.com
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# Copyright (c) 2009, Even Rouault <even dot rouault at spatialys.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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###############################################################################
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import sys
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from osgeo import gdal
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# =============================================================================
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def Usage():
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print('Usage: histrep.py [-force] input_file')
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print(' or')
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print(' histrep.py -req <min> <max> <buckets> [-force] [-approxok]')
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print(' [-ioor] input_file')
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print('')
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return 1
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def main(argv):
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argv = gdal.GeneralCmdLineProcessor(argv)
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req = None
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force = 0
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approxok = 0
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ioor = 0
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filename = None
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# Parse command line arguments.
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i = 1
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while i < len(argv):
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arg = argv[i]
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if arg == '-req':
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req = (float(argv[i + 1]), float(argv[i + 2]), int(argv[i + 3]))
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i = i + 3
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elif arg == '-ioor':
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ioor = 1
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elif arg == '-approxok':
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approxok = 1
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elif arg == '-force':
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force = 1
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elif filename is None:
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filename = arg
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else:
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Usage()
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i = i + 1
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if filename is None:
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Usage()
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# -----------------------------------------------------------------------
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ds = gdal.Open(filename)
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if req is None:
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hist = ds.GetRasterBand(1).GetDefaultHistogram(force=force)
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if hist is None:
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print('No default histogram.')
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else:
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print('Default Histogram:')
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print('Min: ', hist[0])
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print('Max: ', hist[1])
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print('Buckets: ', hist[2])
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print('Histogram: ', hist[3])
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else:
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hist = ds.GetRasterBand(1).GetHistogram(req[0], req[1], req[2],
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ioor, approxok)
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if hist is not None:
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print('Histogram: ', hist)
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ds = None
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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