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	Avoids conversion of names later and gives clearer separation between visible names and internal names
		
			
				
	
	
		
			86 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
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# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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    rgb2pct.py
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    ---------------------
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    Date                 : August 2012
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    Copyright            : (C) 2012 by Victor Olaya
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    Email                : volayaf at gmail dot com
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***************************************************************************
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*                                                                         *
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*   This program is free software; you can redistribute it and/or modify  *
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*   it under the terms of the GNU General Public License as published by  *
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*   the Free Software Foundation; either version 2 of the License, or     *
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*   (at your option) any later version.                                   *
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*                                                                         *
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***************************************************************************
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"""
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from builtins import str
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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from qgis.PyQt.QtGui import QIcon
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.core.parameters import ParameterRaster
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from processing.core.parameters import ParameterNumber
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from processing.core.outputs import OutputRaster
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from processing.tools.system import isWindows
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from processing.algs.gdal.GdalUtils import GdalUtils
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pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
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class rgb2pct(GdalAlgorithm):
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    INPUT = 'INPUT'
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    OUTPUT = 'OUTPUT'
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    NCOLORS = 'NCOLORS'
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    def icon(self):
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        return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', '24-to-8-bits.png'))
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    def group(self):
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        return self.tr('Raster conversion')
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    def name(self):
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        return 'rgbtopct'
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    def displayName(self):
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        return self.tr('RGB to PCT')
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    def defineCharacteristics(self):
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        self.addParameter(ParameterRaster(rgb2pct.INPUT,
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                                          self.tr('Input layer'), False))
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        self.addParameter(ParameterNumber(rgb2pct.NCOLORS,
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                                          self.tr('Number of colors'), 1, None, 2))
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        self.addOutput(OutputRaster(rgb2pct.OUTPUT, self.tr('RGB to PCT')))
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    def getConsoleCommands(self):
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        arguments = []
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        arguments.append('-n')
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        arguments.append(str(self.getParameterValue(rgb2pct.NCOLORS)))
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        arguments.append('-of')
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        out = self.getOutputValue(rgb2pct.OUTPUT)
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        arguments.append(GdalUtils.getFormatShortNameFromFilename(out))
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        arguments.append(self.getParameterValue(rgb2pct.INPUT))
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        arguments.append(out)
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        if isWindows():
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            commands = ['cmd.exe', '/C ', 'rgb2pct.bat',
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                        GdalUtils.escapeAndJoin(arguments)]
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        else:
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            commands = ['rgb2pct.py', GdalUtils.escapeAndJoin(arguments)]
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        return commands
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