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190 lines
8.7 KiB
Python
190 lines
8.7 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.core.parameters import ParameterString
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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.parameters import ParameterBoolean
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from processing.core.parameters import ParameterSelection
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from processing.core.parameters import ParameterExtent
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from processing.core.parameters import ParameterCrs
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from processing.core.outputs import OutputRaster
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from processing.algs.gdal.GdalUtils import GdalUtils
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class translate(GdalAlgorithm):
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INPUT = 'INPUT'
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OUTPUT = 'OUTPUT'
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OUTSIZE = 'OUTSIZE'
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OUTSIZE_PERC = 'OUTSIZE_PERC'
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NO_DATA = 'NO_DATA'
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EXPAND = 'EXPAND'
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PROJWIN = 'PROJWIN'
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SRS = 'SRS'
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SDS = 'SDS'
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EXTRA = 'EXTRA'
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RTYPE = 'RTYPE'
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TYPE = ['Byte', 'Int16', 'UInt16', 'UInt32', 'Int32', 'Float32', 'Float64']
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TILED = 'TILED'
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COMPRESS = 'COMPRESS'
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JPEGCOMPRESSION = 'JPEGCOMPRESSION'
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PREDICTOR = 'PREDICTOR'
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ZLEVEL = 'ZLEVEL'
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BIGTIFF = 'BIGTIFF'
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BIGTIFFTYPE = ['', 'YES', 'NO', 'IF_NEEDED', 'IF_SAFER']
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COMPRESSTYPE = ['NONE', 'JPEG', 'LZW', 'PACKBITS', 'DEFLATE']
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TFW = 'TFW'
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def commandLineName(self):
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return "gdalogr:translate"
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def defineCharacteristics(self):
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self.name, self.i18n_name = self.trAlgorithm('Translate (convert format)')
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self.group, self.i18n_group = self.trAlgorithm('[GDAL] Conversion')
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self.addParameter(ParameterRaster(self.INPUT, self.tr('Input layer'),
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False))
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self.addParameter(ParameterNumber(self.OUTSIZE,
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self.tr('Set the size of the output file (In pixels or %)'),
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1, None, 100))
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self.addParameter(ParameterBoolean(self.OUTSIZE_PERC,
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self.tr('Output size is a percentage of input size'), True))
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self.addParameter(ParameterString(self.NO_DATA,
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self.tr("Nodata value, leave blank to take the nodata value from input"),
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''))
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self.addParameter(ParameterSelection(self.EXPAND,
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self.tr('Expand'), ['none', 'gray', 'rgb', 'rgba']))
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self.addParameter(ParameterCrs(self.SRS,
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self.tr('Output projection for output file [leave blank to use input projection]'), None))
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self.addParameter(ParameterExtent(self.PROJWIN,
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self.tr('Subset based on georeferenced coordinates')))
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self.addParameter(ParameterBoolean(self.SDS,
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self.tr('Copy all subdatasets of this file to individual output files'),
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False))
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params = []
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params.append(ParameterSelection(self.RTYPE,
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self.tr('Output raster type'), self.TYPE, 5))
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params.append(ParameterSelection(self.COMPRESS,
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self.tr('GeoTIFF options. Compression type:'), self.COMPRESSTYPE, 4))
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params.append(ParameterNumber(self.JPEGCOMPRESSION,
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self.tr('Set the JPEG compression level'),
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1, 100, 75))
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params.append(ParameterNumber(self.ZLEVEL,
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self.tr('Set the DEFLATE compression level'),
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1, 9, 6))
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params.append(ParameterNumber(self.PREDICTOR,
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self.tr('Set the predictor for LZW or DEFLATE compression'),
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1, 3, 1))
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params.append(ParameterBoolean(self.TILED,
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self.tr('Create tiled output (only used for the GTiff format)'), False))
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params.append(ParameterSelection(self.BIGTIFF,
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self.tr('Control whether the created file is a BigTIFF or a classic TIFF'), self.BIGTIFFTYPE, 0))
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params.append(ParameterBoolean(self.TFW,
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self.tr('Force the generation of an associated ESRI world file (.tfw))'), False))
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params.append(ParameterString(self.EXTRA,
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self.tr('Additional creation parameters'), '', optional=True))
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for param in params:
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param.isAdvanced = True
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self.addParameter(param)
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self.addOutput(OutputRaster(self.OUTPUT, self.tr('Converted')))
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def getConsoleCommands(self):
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out = self.getOutputValue(translate.OUTPUT)
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outsize = unicode(self.getParameterValue(self.OUTSIZE))
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outsizePerc = unicode(self.getParameterValue(self.OUTSIZE_PERC))
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noData = unicode(self.getParameterValue(self.NO_DATA))
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expand = unicode(self.getParameterFromName(
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self.EXPAND).options[self.getParameterValue(self.EXPAND)])
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projwin = unicode(self.getParameterValue(self.PROJWIN))
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crsId = self.getParameterValue(self.SRS)
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sds = self.getParameterValue(self.SDS)
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extra = unicode(self.getParameterValue(self.EXTRA))
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jpegcompression = unicode(self.getParameterValue(self.JPEGCOMPRESSION))
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predictor = unicode(self.getParameterValue(self.PREDICTOR))
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zlevel = unicode(self.getParameterValue(self.ZLEVEL))
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tiled = unicode(self.getParameterValue(self.TILED))
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compress = self.COMPRESSTYPE[self.getParameterValue(self.COMPRESS)]
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bigtiff = self.BIGTIFFTYPE[self.getParameterValue(self.BIGTIFF)]
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tfw = unicode(self.getParameterValue(self.TFW))
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arguments = []
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arguments.append('-of')
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arguments.append(GdalUtils.getFormatShortNameFromFilename(out))
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arguments.append('-ot')
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arguments.append(self.TYPE[self.getParameterValue(self.RTYPE)])
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if outsizePerc == 'True':
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arguments.append('-outsize')
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arguments.append(outsize + '%')
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arguments.append(outsize + '%')
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else:
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arguments.append('-outsize')
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arguments.append(outsize)
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arguments.append(outsize)
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if len(noData) > 0:
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arguments.append('-a_nodata')
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arguments.append(noData)
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if expand != 'none':
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arguments.append('-expand')
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arguments.append(expand)
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regionCoords = projwin.split(',')
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arguments.append('-projwin')
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arguments.append(regionCoords[0])
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arguments.append(regionCoords[3])
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arguments.append(regionCoords[1])
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arguments.append(regionCoords[2])
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if crsId:
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arguments.append('-a_srs')
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arguments.append(unicode(crsId))
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if sds:
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arguments.append('-sds')
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if len(extra) > 0:
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arguments.append(extra)
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if GdalUtils.getFormatShortNameFromFilename(out) == "GTiff":
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arguments.append("-co COMPRESS=" + compress)
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if compress == 'JPEG':
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arguments.append("-co JPEG_QUALITY=" + jpegcompression)
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elif (compress == 'LZW') or (compress == 'DEFLATE'):
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arguments.append("-co PREDICTOR=" + predictor)
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if compress == 'DEFLATE':
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arguments.append("-co ZLEVEL=" + zlevel)
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if tiled == "True":
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arguments.append("-co TILED=YES")
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if tfw == "True":
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arguments.append("-co TFW=YES")
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if len(bigtiff) > 0:
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arguments.append("-co BIGTIFF=" + bigtiff)
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arguments.append(self.getParameterValue(self.INPUT))
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arguments.append(out)
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return ['gdal_translate', GdalUtils.escapeAndJoin(arguments)]
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