JezK
Edit File: gdalchksum.py
#!/usr/bin/env python3 # ****************************************************************************** # $Id$ # # Project: GDAL # Purpose: Application to checksum a GDAL image file. # Author: Frank Warmerdam, warmerdam@pobox.com # # ****************************************************************************** # Copyright (c) 2003, Frank Warmerdam <warmerdam@pobox.com> # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), # to deal in the Software without restriction, including without limitation # the rights to use, copy, modify, merge, publish, distribute, sublicense, # and/or sell copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER # DEALINGS IN THE SOFTWARE. # ****************************************************************************** import sys from osgeo import gdal def Usage(): print("Usage: gdalchksum.py [-b band] [-srcwin xoff yoff xsize ysize] file") return 2 def main(argv=sys.argv): srcwin = None bands = [] filename = None argv = gdal.GeneralCmdLineProcessor(argv) if argv is None: return 0 # Parse command line arguments. i = 1 while i < len(argv): arg = argv[i] if arg == "-b": i = i + 1 bands.append(int(argv[i])) elif arg == "-srcwin": srcwin = [ int(argv[i + 1]), int(argv[i + 2]), int(argv[i + 3]), int(argv[i + 3]), ] i = i + 4 elif filename is None: filename = argv[i] else: return Usage() i = i + 1 if filename is None: return Usage() # Open source file ds = gdal.Open(filename) if ds is None: print("Unable to open %s" % filename) return 1 # Default values if srcwin is None: srcwin = [0, 0, ds.RasterXSize, ds.RasterYSize] if not bands: bands = list(range(1, (ds.RasterCount + 1))) # Generate checksums for band_num in bands: oBand = ds.GetRasterBand(band_num) result = oBand.Checksum(srcwin[0], srcwin[1], srcwin[2], srcwin[3]) print(result) ds = None if __name__ == "__main__": sys.exit(main(sys.argv))