104 lines
3.0 KiB
Python
104 lines
3.0 KiB
Python
#!/usr/bin/env python3
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# ******************************************************************************
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# $Id: gdalchksum.py ffccab1ee20b5151e9bd45f1a2c46245a74f1f56 2021-04-23 14:05:42 +0300 Idan Miara $
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#
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# Project: GDAL
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# Purpose: Application to checksum a GDAL image 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) 2003, Frank Warmerdam <warmerdam@pobox.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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def Usage():
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print('Usage: gdalchksum.py [-b band] [-srcwin xoff yoff xsize ysize] file')
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return 1
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def main(argv):
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srcwin = None
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bands = []
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filename = None
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argv = gdal.GeneralCmdLineProcessor(argv)
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if argv is None:
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return 0
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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 == '-b':
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i = i + 1
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bands.append(int(argv[i]))
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elif arg == '-srcwin':
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srcwin = [int(argv[i + 1]), int(argv[i + 2]),
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int(argv[i + 3]), int(argv[i + 3])]
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i = i + 4
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elif filename is None:
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filename = argv[i]
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else:
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return Usage()
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i = i + 1
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if filename is None:
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return Usage()
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# Open source file
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ds = gdal.Open(filename)
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if ds is None:
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print('Unable to open %s' % filename)
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return 1
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# Default values
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if srcwin is None:
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srcwin = [0, 0, ds.RasterXSize, ds.RasterYSize]
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if not bands:
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bands = list(range(1, (ds.RasterCount + 1)))
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# Generate checksums
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for band_num in bands:
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oBand = ds.GetRasterBand(band_num)
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result = oBand.Checksum(srcwin[0], srcwin[1], srcwin[2], srcwin[3])
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print(result)
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ds = None
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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