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102 lines
3.7 KiB
Python
102 lines
3.7 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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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.parameters.ParameterRaster import ParameterRaster
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from processing.parameters.ParameterBoolean import ParameterBoolean
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from processing.parameters.ParameterSelection import ParameterSelection
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from processing.parameters.ParameterString import ParameterString
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from processing.outputs.OutputRaster import OutputRaster
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from processing.algs.gdal.GdalUtils import GdalUtils
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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_METHOD = 'RESAMPLING_METHOD'
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FORMAT = 'FORMAT'
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OUTPUT = 'OUTPUT'
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METHODS = [
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'nearest',
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'average',
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'gauss',
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'cubic',
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'average_mp',
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'average_magphase',
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'mode',
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]
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FORMATS = ['Internal (if possible)', 'External (GTiff .ovr)',
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'External (ERDAS Imagine .aux)']
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def commandLineName(self):
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return "gdalogr:overviews"
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def defineCharacteristics(self):
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self.name = 'Build overviews (pyramids)'
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self.group = '[GDAL] Miscellaneous'
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self.addParameter(ParameterRaster(self.INPUT, 'Input layer', False))
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self.addParameter(ParameterString(self.LEVELS, 'Overview levels',
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'2 4 8 16'))
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self.addParameter(ParameterBoolean(self.CLEAN,
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'Remove all existing overviews', False))
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self.addParameter(ParameterSelection(self.RESAMPLING_METHOD,
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'Resampling method', self.METHODS, 0))
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self.addParameter(ParameterSelection(self.FORMAT, 'Overview format',
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self.FORMATS, 0))
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self.addOutput(OutputRaster(self.OUTPUT, 'Output layer', True))
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def processAlgorithm(self, progress):
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inFile = self.getParameterValue(self.INPUT)
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clearOverviews = self.getParameterValue(self.CLEAN)
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ovrFormat = self.getParameterValue(self.FORMAT)
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arguments = []
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arguments.append(inFile)
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if clearOverviews:
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arguments.append('-clean')
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arguments.append('-r')
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arguments.append(
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self.METHODS[self.getParameterValue(self.RESAMPLING_METHOD)])
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if ovrFormat == 1:
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# external .ovr
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arguments.append('-ro')
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elif ovrFormat == 2:
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# external .aux
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arguments.extend('--config USE_RRD YES'.split(' '))
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arguments.extend(self.getParameterValue(self.LEVELS).split(' '))
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self.setOutputValue(self.OUTPUT, inFile)
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GdalUtils.runGdal(['gdaladdo', GdalUtils.escapeAndJoin(arguments)],
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progress)
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