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Edit File: gdalattachpct.py
#!/usr/bin/env python3 # -*- coding: utf-8 -*- # ****************************************************************************** # $Id$ # # Project: GDAL # Purpose: Simple command line program for copying the color table of a # raster into another raster. # Author: Frank Warmerdam, warmerda@home.com # # ****************************************************************************** # Copyright (c) 2000, Frank Warmerdam # Copyright (c) 2020-2021, Idan Miara <idan@miara.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 typing import Optional from osgeo import gdal from osgeo_utils.auxiliary.base import PathLikeOrStr from osgeo_utils.auxiliary.color_table import ColorTableLike, get_color_table from osgeo_utils.auxiliary.util import GetOutputDriverFor, open_ds def Usage(): print("Usage: gdalattachpct.py <pctfile> <infile> <outfile>") return 2 def main(argv=sys.argv): if len(argv) < 3: return Usage() pct_filename = None src_filename = None dst_filename = None driver_name = 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 == "-of" or arg == "-f": i = i + 1 driver_name = argv[i] elif pct_filename is None: pct_filename = argv[i] elif src_filename is None: src_filename = argv[i] elif dst_filename is None: dst_filename = argv[i] else: return Usage() i = i + 1 _ds, err = doit( src_filename=src_filename, pct_filename=pct_filename, dst_filename=dst_filename, driver_name=driver_name, ) return err def doit( src_filename, pct_filename: Optional[ColorTableLike], dst_filename: Optional[PathLikeOrStr] = None, driver_name: Optional[str] = None, ): # ============================================================================= # Get the PCT. # ============================================================================= ct = get_color_table(pct_filename) if pct_filename is not None and ct is None: print("No color table on file ", pct_filename) return None, 1 # ============================================================================= # Create a MEM clone of the source file. # ============================================================================= src_ds = open_ds(src_filename) mem_ds = gdal.GetDriverByName("MEM").CreateCopy("mem", src_ds) # ============================================================================= # Assign the color table in memory. # ============================================================================= mem_ds.GetRasterBand(1).SetRasterColorTable(ct) mem_ds.GetRasterBand(1).SetRasterColorInterpretation(gdal.GCI_PaletteIndex) # ============================================================================= # Write the dataset to the output file. # ============================================================================= if not driver_name: driver_name = GetOutputDriverFor(dst_filename) dst_driver = gdal.GetDriverByName(driver_name) if dst_driver is None: print('"%s" driver not registered.' % driver_name) return None, 1 if driver_name.upper() == "MEM": out_ds = mem_ds else: out_ds = dst_driver.CreateCopy(dst_filename or "", mem_ds) mem_ds = None src_ds = None return out_ds, 0 if __name__ == "__main__": sys.exit(main(sys.argv))