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189 lines
7.7 KiB
Python
189 lines
7.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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self.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 builtins import str
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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 processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.core.parameters import (ParameterRaster,
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ParameterExtent,
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ParameterSelection,
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ParameterCrs,
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ParameterNumber,
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ParameterString,
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ParameterBoolean)
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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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pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
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class warp(GdalAlgorithm):
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INPUT = 'INPUT'
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OUTPUT = 'OUTPUT'
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SOURCE_SRS = 'SOURCE_SRS'
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DEST_SRS = 'DEST_SRS'
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METHOD = 'METHOD'
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TR = 'TR'
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NO_DATA = 'NO_DATA'
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USE_RASTER_EXTENT = 'USE_RASTER_EXTENT'
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RASTER_EXTENT = 'RASTER_EXTENT'
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EXTENT_CRS = 'EXTENT_CRS'
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RTYPE = 'RTYPE'
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OPTIONS = 'OPTIONS'
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MULTITHREADING = 'MULTITHREADING'
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METHOD_OPTIONS = ['near', 'bilinear', 'cubic', 'cubicspline', 'lanczos']
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TYPE = ['Byte', 'Int16', 'UInt16', 'UInt32', 'Int32', 'Float32', 'Float64']
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def icon(self):
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return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'warp.png'))
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def tags(self):
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return self.tr('transform,reproject,crs,srs').split(',')
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def name(self):
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return 'warpreproject'
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def displayName(self):
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return self.tr('Warp (reproject)')
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def group(self):
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return self.tr('Raster projections')
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def defineCharacteristics(self):
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self.addParameter(ParameterRaster(self.INPUT, self.tr('Input layer'), False))
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self.addParameter(ParameterCrs(self.SOURCE_SRS,
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self.tr('Source SRS'),
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'',
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optional=True))
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self.addParameter(ParameterCrs(self.DEST_SRS,
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self.tr('Destination SRS'),
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'EPSG:4326'))
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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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'', optional=True))
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self.addParameter(ParameterNumber(self.TR,
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self.tr('Output file resolution in target georeferenced units (leave 0 for no change)'),
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0.0, None, 0.0))
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self.addParameter(ParameterSelection(self.METHOD,
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self.tr('Resampling method'),
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self.METHOD_OPTIONS))
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self.addParameter(ParameterBoolean(self.USE_RASTER_EXTENT,
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self.tr('Set georeferenced extents of output file'),
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False
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))
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self.addParameter(ParameterExtent(self.RASTER_EXTENT,
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self.tr('Raster extent'),
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optional=True))
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self.addParameter(ParameterCrs(self.EXTENT_CRS,
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self.tr('CRS of the raster extent, leave blank for using Destination SRS'),
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optional=True))
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self.addParameter(ParameterString(self.OPTIONS,
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self.tr('Additional creation options'),
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optional=True,
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metadata={'widget_wrapper': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}))
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self.addParameter(ParameterBoolean(self.MULTITHREADING,
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self.tr('Use multithreaded warping implementation'),
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False
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))
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self.addParameter(ParameterSelection(self.RTYPE,
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self.tr('Output raster type'),
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self.TYPE, 5))
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self.addOutput(OutputRaster(self.OUTPUT, self.tr('Reprojected')))
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def getConsoleCommands(self):
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srccrs = self.getParameterValue(self.SOURCE_SRS)
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dstcrs = self.getParameterValue(self.DEST_SRS)
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useRasterExtent = self.getParameterValue(self.USE_RASTER_EXTENT)
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rasterExtent = self.getParameterValue(self.RASTER_EXTENT)
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extentCrs = self.getParameterValue(self.EXTENT_CRS)
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opts = self.getParameterValue(self.OPTIONS)
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noData = self.getParameterValue(self.NO_DATA)
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multithreading = self.getParameterValue(self.MULTITHREADING)
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if noData is not None:
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noData = str(noData)
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arguments = []
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arguments.append('-ot')
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arguments.append(self.TYPE[self.getParameterValue(self.RTYPE)])
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if srccrs:
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arguments.append('-s_srs')
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arguments.append(srccrs)
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if dstcrs:
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arguments.append('-t_srs')
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arguments.append(dstcrs)
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if noData:
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arguments.append('-dstnodata')
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arguments.append(noData)
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arguments.append('-r')
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arguments.append(
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self.METHOD_OPTIONS[self.getParameterValue(self.METHOD)])
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arguments.append('-of')
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out = self.getOutputValue(self.OUTPUT)
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arguments.append(GdalUtils.getFormatShortNameFromFilename(out))
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if self.getParameterValue(self.TR) != 0:
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arguments.append('-tr')
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arguments.append(str(self.getParameterValue(self.TR)))
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arguments.append(str(self.getParameterValue(self.TR)))
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if useRasterExtent:
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regionCoords = rasterExtent.split(',')
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if len(regionCoords) >= 4:
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arguments.append('-te')
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arguments.append(regionCoords[0])
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arguments.append(regionCoords[2])
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arguments.append(regionCoords[1])
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arguments.append(regionCoords[3])
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if extentCrs:
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arguments.append('-te_srs')
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arguments.append(extentCrs)
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if opts:
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arguments.append('-co')
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arguments.append(opts)
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if multithreading:
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arguments.append('-multi')
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if GdalUtils.version() in [2010000, 2010100]:
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arguments.append("--config GDALWARP_IGNORE_BAD_CUTLINE YES")
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arguments.append(self.getParameterValue(self.INPUT))
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arguments.append(out)
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return ['gdalwarp', GdalUtils.escapeAndJoin(arguments)]
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