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195 lines
8.7 KiB
Python
195 lines
8.7 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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__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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from processing.core.parameters import ParameterExtent
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from processing.core.parameters import ParameterSelection
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from processing.core.parameters import ParameterCrs
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from processing.core.parameters import ParameterNumber
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from processing.core.parameters import ParameterString
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from processing.core.parameters import 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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METHOD_OPTIONS = ['near', 'bilinear', 'cubic', 'cubicspline', 'lanczos']
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TR = 'TR'
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NO_DATA = 'NO_DATA'
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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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RAST_EXT = 'RAST_EXT'
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def getIcon(self):
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return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'warp.png'))
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def defineCharacteristics(self):
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self.name, self.i18n_name = self.trAlgorithm('Warp (reproject)')
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self.group, self.i18n_group = self.trAlgorithm('[GDAL] Projections')
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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'), '', optional=True))
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self.addParameter(ParameterCrs(self.DEST_SRS,
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self.tr('Destination SRS'), ''))
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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'), self.METHOD_OPTIONS))
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self.addParameter(ParameterExtent(self.RAST_EXT, self.tr('Raster extent')))
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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('Reprojected')))
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def getConsoleCommands(self):
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noData = self.getParameterValue(self.NO_DATA)
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if noData is not None:
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noData = unicode(noData)
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srccrs = self.getParameterValue(self.SOURCE_SRS)
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dstcrs = self.getParameterValue(self.DEST_SRS)
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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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rastext = unicode(self.getParameterValue(self.RAST_EXT))
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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 len(srccrs) > 0:
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arguments.append('-s_srs')
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arguments.append(srccrs)
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if len(dstcrs) > 0:
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arguments.append('-t_srs')
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arguments.append(dstcrs)
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if noData and len(noData) > 0:
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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(unicode(self.getParameterValue(self.TR)))
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arguments.append(unicode(self.getParameterValue(self.TR)))
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extra = self.getParameterValue(self.EXTRA)
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if extra is not None:
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extra = unicode(extra)
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regionCoords = rastext.split(',')
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try:
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rastext = []
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rastext.append('-te')
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rastext.append(regionCoords[0])
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rastext.append(regionCoords[2])
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rastext.append(regionCoords[1])
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rastext.append(regionCoords[3])
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except IndexError:
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rastext = []
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if rastext:
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arguments.extend(rastext)
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if extra and 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("-wo OPTIMIZE_SIZE=TRUE")
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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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