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94 lines
3.6 KiB
Python
94 lines
3.6 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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from processing.parameters.ParameterString import ParameterString
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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 PyQt4 import QtGui
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from processing.core.GeoAlgorithm import GeoAlgorithm
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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.outputs.OutputRaster import OutputRaster
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from processing.gdal.GdalUtils import GdalUtils
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class gdaladdo(GeoAlgorithm):
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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 = ["nearest", "average", "gauss", "cubic", "average_mp",
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"average_magphase", "mode"
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]
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FORMATS = ["Internal (if possible)",
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"External (GTiff .ovr)",
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"External (ERDAS Imagine .aux)"
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]
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def getIcon(self):
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filepath = os.path.dirname(__file__) + "/icons/raster-overview.png"
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return QtGui.QIcon(filepath)
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def defineCharacteristics(self):
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self.name = "Build pyramids (overviews)"
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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", "2 4 8 16"))
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self.addParameter(ParameterBoolean(self.CLEAN, "Remove all existing overviews", False))
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self.addParameter(ParameterSelection(self.RESAMPLING_METHOD, "Resampling method", self.METHODS, 0))
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self.addParameter(ParameterSelection(self.FORMAT, "Overview format", 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(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)], progress)
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