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#!/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))
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