135 lines
4.5 KiB
Python
135 lines
4.5 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# ******************************************************************************
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# $Id: gdalattachpct.py 05a98f65afa7e5048cae16a58c2268510cd89103 2021-01-15 16:16:00 +0200 Idan Miara $
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#
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# Project: GDAL
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# Purpose: Simple command line program for copying the color table of a
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# raster into another raster.
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# Author: Frank Warmerdam, warmerda@home.com
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#
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# ******************************************************************************
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# Copyright (c) 2000, Frank Warmerdam
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# Copyright (c) 2020, Idan Miara <idan@miara.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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from osgeo_utils.auxiliary.util import GetOutputDriverFor, open_ds
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from osgeo_utils.auxiliary.color_table import get_color_table
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def Usage():
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print('Usage: gdalattachpct.py <pctfile> <infile> <outfile>')
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return 1
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def main(argv):
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if len(argv) < 3:
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return Usage()
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pct_filename = None
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src_filename = None
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dst_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 == '-of' or arg == '-f':
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i = i + 1
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driver = argv[i]
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elif pct_filename is None:
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pct_filename = argv[i]
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elif src_filename is None:
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src_filename = argv[i]
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elif dst_filename is None:
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dst_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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_ds, err = doit(src_filename=src_filename, pct_filename=pct_filename, dst_filename=dst_filename, driver=driver)
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return err
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def doit(src_filename, pct_filename, dst_filename=None, driver=None):
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# =============================================================================
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# Get the PCT.
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# =============================================================================
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ct = get_color_table(pct_filename)
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if pct_filename is not None and ct is None:
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print('No color table on file ', pct_filename)
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return None, 1
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# =============================================================================
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# Create a MEM clone of the source file.
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# =============================================================================
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src_ds = open_ds(src_filename)
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mem_ds = gdal.GetDriverByName('MEM').CreateCopy('mem', src_ds)
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# =============================================================================
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# Assign the color table in memory.
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# =============================================================================
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mem_ds.GetRasterBand(1).SetRasterColorTable(ct)
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mem_ds.GetRasterBand(1).SetRasterColorInterpretation(gdal.GCI_PaletteIndex)
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# =============================================================================
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# Write the dataset to the output file.
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# =============================================================================
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if not driver:
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driver = GetOutputDriverFor(dst_filename)
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dst_driver = gdal.GetDriverByName(driver)
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if dst_driver is None:
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print('"%s" driver not registered.' % driver)
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return None, 1
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if driver.upper() == 'MEM':
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out_ds = mem_ds
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else:
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out_ds = dst_driver.CreateCopy(dst_filename or '', mem_ds)
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mem_ds = None
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src_ds = None
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return out_ds, 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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