JezK
Edit File: histrep.py
#!/usr/bin/env python3 ############################################################################### # $Id$ # # Project: GDAL Python Samples # Purpose: Report histogram from file. # Author: Frank Warmerdam, warmerdam@pobox.com # ############################################################################### # Copyright (c) 2005, Frank Warmerdam, warmerdam@pobox.com # Copyright (c) 2009, Even Rouault <even dot rouault at spatialys.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: histrep.py [-force] input_file") print(" or") print(" histrep.py -req <min> <max> <buckets> [-force] [-approxok]") print(" [-ioor] input_file") print("") return 2 def main(argv=sys.argv): argv = gdal.GeneralCmdLineProcessor(argv) req = None force = 0 approxok = 0 ioor = 0 filename = None # Parse command line arguments. i = 1 while i < len(argv): arg = argv[i] if arg == "-req": req = (float(argv[i + 1]), float(argv[i + 2]), int(argv[i + 3])) i = i + 3 elif arg == "-ioor": ioor = 1 elif arg == "-approxok": approxok = 1 elif arg == "-force": force = 1 elif filename is None: filename = arg else: return Usage() i = i + 1 if filename is None: return Usage() # ----------------------------------------------------------------------- ds = gdal.Open(filename) if req is None: hist = ds.GetRasterBand(1).GetDefaultHistogram(force=force) if hist is None: print("No default histogram.") else: print("Default Histogram:") print("Min: ", hist[0]) print("Max: ", hist[1]) print("Buckets: ", hist[2]) print("Histogram: ", hist[3]) else: hist = ds.GetRasterBand(1).GetHistogram(req[0], req[1], req[2], ioor, approxok) if hist is not None: print("Histogram: ", hist) ds = None return 0 if __name__ == "__main__": sys.exit(main(sys.argv))