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172 lines
7.8 KiB
Python
172 lines
7.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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rasterize.py
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---------------------
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Date : September 2013
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Copyright : (C) 2013 by Alexander Bruy
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Email : alexander dot bruy 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__ = 'Alexander Bruy'
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__date__ = 'September 2013'
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__copyright__ = '(C) 2013, Alexander Bruy'
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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 processing.core.parameters import ParameterVector
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from processing.core.parameters import ParameterTableField
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from processing.core.parameters import ParameterSelection
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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 ParameterString
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from processing.core.outputs import OutputRaster
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from processing.algs.gdal.OgrAlgorithm import OgrAlgorithm
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from processing.algs.gdal.GdalUtils import GdalUtils
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class rasterize(OgrAlgorithm):
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INPUT = 'INPUT'
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FIELD = 'FIELD'
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DIMENSIONS = 'DIMENSIONS'
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WIDTH = 'WIDTH'
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HEIGHT = 'HEIGHT'
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EXTRA = 'EXTRA'
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RTYPE = 'RTYPE'
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OUTPUT = 'OUTPUT'
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TYPE = ['Byte', 'Int16', 'UInt16', 'UInt32', 'Int32', 'Float32', 'Float64']
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NO_DATA = 'NO_DATA'
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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:rasterize"
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def defineCharacteristics(self):
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self.name, self.i18n_name = self.trAlgorithm('Rasterize (vector to raster)')
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self.group, self.i18n_group = self.trAlgorithm('[GDAL] Conversion')
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self.addParameter(ParameterVector(self.INPUT, self.tr('Input layer')))
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self.addParameter(ParameterTableField(self.FIELD,
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self.tr('Attribute field'), self.INPUT))
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self.addParameter(ParameterSelection(self.DIMENSIONS,
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self.tr('Set output raster size (ignored if above option is checked)'),
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['Output size in pixels', 'Output resolution in map units per pixel'], 1))
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self.addParameter(ParameterNumber(self.WIDTH,
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self.tr('Horizontal'), 0.0, 99999999.999999, 100.0))
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self.addParameter(ParameterNumber(self.HEIGHT,
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self.tr('Vertical'), 0.0, 99999999.999999, 100.0))
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params = []
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params.append(ParameterSelection(self.RTYPE, self.tr('Raster type'),
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self.TYPE, 5))
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params.append(ParameterString(self.NO_DATA,
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self.tr("Nodata value"),
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'-9999'))
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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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self.addParameter(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,
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self.tr('Rasterized')))
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def getConsoleCommands(self):
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inLayer = self.getParameterValue(self.INPUT)
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ogrLayer = self.ogrConnectionString(inLayer)[1:-1]
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noData = unicode(self.getParameterValue(self.NO_DATA))
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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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out = self.getOutputValue(self.OUTPUT)
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extra = unicode(self.getParameterValue(self.EXTRA))
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arguments = []
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arguments.append('-a')
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arguments.append(unicode(self.getParameterValue(self.FIELD)))
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arguments.append('-ot')
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arguments.append(self.TYPE[self.getParameterValue(self.RTYPE)])
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dimType = self.getParameterValue(self.DIMENSIONS)
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if dimType == 0:
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# size in pixels
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arguments.append('-ts')
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arguments.append(unicode(self.getParameterValue(self.WIDTH)))
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arguments.append(unicode(self.getParameterValue(self.HEIGHT)))
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else:
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# resolution in map units per pixel
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arguments.append('-tr')
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arguments.append(unicode(self.getParameterValue(self.WIDTH)))
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arguments.append(unicode(self.getParameterValue(self.HEIGHT)))
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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 (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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if len(extra) > 0:
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arguments.append(extra)
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arguments.append('-l')
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arguments.append(self.ogrLayerName(inLayer))
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arguments.append(ogrLayer)
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arguments.append(unicode(self.getOutputValue(self.OUTPUT)))
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return ['gdal_rasterize', GdalUtils.escapeAndJoin(arguments)]
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