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102 lines
3.8 KiB
Python
102 lines
3.8 KiB
Python
"""
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***************************************************************************
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pct2rgb.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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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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import os
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from qgis.PyQt.QtGui import QIcon
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from qgis.core import (QgsRasterFileWriter,
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QgsProcessingException,
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QgsProcessingParameterRasterLayer,
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QgsProcessingParameterBand,
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QgsProcessingParameterBoolean,
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QgsProcessingParameterRasterDestination)
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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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 pct2rgb(GdalAlgorithm):
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INPUT = 'INPUT'
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BAND = 'BAND'
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RGBA = 'RGBA'
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OUTPUT = 'OUTPUT'
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def __init__(self):
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super().__init__()
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def initAlgorithm(self, config=None):
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self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
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self.addParameter(QgsProcessingParameterBand(self.BAND,
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self.tr('Band number'),
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1,
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parentLayerParameterName=self.INPUT))
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self.addParameter(QgsProcessingParameterBoolean(self.RGBA,
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self.tr('Generate a RGBA file'),
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defaultValue=False))
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self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT, self.tr('PCT to RGB')))
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def name(self):
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return 'pcttorgb'
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def displayName(self):
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return self.tr('PCT to RGB')
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def group(self):
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return self.tr('Raster conversion')
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def groupId(self):
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return 'rasterconversion'
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def icon(self):
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return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', '8-to-24-bits.png'))
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def commandName(self):
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return 'pct2rgb'
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def getConsoleCommands(self, parameters, context, feedback, executing=True):
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inLayer = self.parameterAsRasterLayer(parameters, self.INPUT, context)
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if inLayer is None:
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raise QgsProcessingException(self.invalidRasterError(parameters, self.INPUT))
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out = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
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self.setOutputValue(self.OUTPUT, out)
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output_format = QgsRasterFileWriter.driverForExtension(os.path.splitext(out)[1])
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if not output_format:
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raise QgsProcessingException(self.tr('Output format is invalid'))
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arguments = [
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inLayer.source(),
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out,
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'-of',
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output_format,
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'-b',
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str(self.parameterAsInt(parameters, self.BAND, context)),
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]
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if self.parameterAsBoolean(parameters, self.RGBA, context):
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arguments.append('-rgba')
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return [self.commandName() + ('.bat' if isWindows() else '.py'), GdalUtils.escapeAndJoin(arguments)]
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