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			132 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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    translate.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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# 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 qgis.core import (QgsProcessingParameterRasterLayer,
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                       QgsProcessingParameterEnum,
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                       QgsProcessingParameterString,
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                       QgsProcessingParameterBoolean,
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                       QgsProcessingOutputRasterLayer)
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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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 gdaladdo(GdalAlgorithm):
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    INPUT = 'INPUT'
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    LEVELS = 'LEVELS'
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    CLEAN = 'CLEAN'
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    RESAMPLING = 'RESAMPLING'
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    FORMAT = 'FORMAT'
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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.methods = ((self.tr('Nearest neighbour'), 'nearest'),
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                        (self.tr('Average'), 'average'),
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                        (self.tr('Gaussian'), 'gauss'),
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                        (self.tr('Cubic convolution.'), 'cubic'),
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                        (self.tr('B-Spline convolution'), 'cubicspline'),
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                        (self.tr('Lanczos windowed sinc'), 'lanczos'),
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                        (self.tr('Average MP'), 'average_mp'),
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                        (self.tr('Average in mag/phase space'), 'average_magphase'),
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                        (self.tr('Mode'), 'mode'))
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        self.formats = (self.tr('Internal (if possible)'),
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                        self.tr('External (GTiff .ovr)'),
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                        self.tr('External (ERDAS Imagine .aux)'))
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        self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT,
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                                                            self.tr('Input layer')))
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        self.addParameter(QgsProcessingParameterString(self.LEVELS,
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                                                       self.tr('Overview levels'),
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                                                       defaultValue='2 4 8 16'))
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        self.addParameter(QgsProcessingParameterBoolean(self.CLEAN,
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                                                        self.tr('Remove all existing overviews'),
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                                                        defaultValue=False))
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        params = []
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        params.append(QgsProcessingParameterEnum(self.RESAMPLING,
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                                                 self.tr('Resampling method'),
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                                                 options=[i[0] for i in self.methods],
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                                                 allowMultiple=False,
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                                                 defaultValue=0))
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        params.append(QgsProcessingParameterEnum(self.FORMAT,
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                                                 self.tr('Overviews format'),
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                                                 options=self.formats,
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                                                 allowMultiple=False,
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                                                 defaultValue=0))
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        self.addOutput(QgsProcessingOutputRasterLayer(self.OUTPUT, self.tr('Pyramidized')))
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    def name(self):
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        return 'overviews'
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    def displayName(self):
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        return self.tr('Build overviews (pyramids)')
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    def group(self):
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        return self.tr('Raster miscellaneous')
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    def groupId(self):
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        return 'rastermiscellaneous'
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    def icon(self):
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        return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'raster-overview.png'))
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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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        fileName = inLayer.source()
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        arguments = []
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        arguments.append(fileName)
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        arguments.append('-r')
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        arguments.append(self.methods[self.parameterAsEnum(parameters, self.RESAMPLING, context)][1])
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        ovrFormat = self.parameterAsEnum(parameters, self.FORMAT, context)
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        if ovrFormat == 1:
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            arguments.append('-ro')
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        elif ovrFormat == 2:
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            arguments.extend('--config USE_RRD YES'.split(' '))
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        if self.parameterAsBool(parameters, self.CLEAN, context):
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            arguments.append('-clean')
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        arguments.extend(self.parameterAsString(parameters, self.LEVELS, context).split(' '))
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        self.setOutputValue(self.OUTPUT, fileName)
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        return ['gdaladdo', GdalUtils.escapeAndJoin(arguments)]
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