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107 lines
4.3 KiB
Python
107 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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GridAverage.py
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---------------------
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Date : October 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__ = 'October 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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from PyQt4.QtGui import *
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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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 ParameterNumber
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from processing.core.parameters import ParameterSelection
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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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from processing.tools.system import *
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class GridAverage(GdalAlgorithm):
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INPUT = 'INPUT'
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Z_FIELD = 'Z_FIELD'
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RADIUS_1 = 'RADIUS_1'
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RADIUS_2 = 'RADIUS_2'
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MIN_POINTS = 'MIN_POINTS'
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ANGLE = 'ANGLE'
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NODATA = 'NODATA'
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OUTPUT = 'OUTPUT'
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RTYPE = 'RTYPE'
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TYPE = ['Byte','Int16','UInt16','UInt32','Int32','Float32','Float64','CInt16','CInt32','CFloat32','CFloat64']
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def commandLineName(self):
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return "gdalogr:gridaverage"
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def defineCharacteristics(self):
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self.name = 'Grid (Moving average)'
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self.group = '[GDAL] Analysis'
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self.addParameter(ParameterVector(self.INPUT, 'Input layer',
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[ParameterVector.VECTOR_TYPE_POINT]))
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self.addParameter(ParameterTableField(self.Z_FIELD, 'Z field',
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self.INPUT, ParameterTableField.DATA_TYPE_NUMBER,
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True))
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self.addParameter(ParameterNumber(self.RADIUS_1, 'Radius 1',
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0.0, 99999999.999999, 0.0))
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self.addParameter(ParameterNumber(self.RADIUS_2, 'Radius 2',
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0.0, 99999999.999999, 0.0))
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self.addParameter(ParameterNumber(self.MIN_POINTS, 'Min points',
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0.0, 99999999.999999, 0.0))
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self.addParameter(ParameterNumber(self.ANGLE, 'Angle',
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0.0, 359.0, 0.0))
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self.addParameter(ParameterNumber(self.NODATA, 'Nodata',
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0.0, 99999999.999999, 0.0))
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self.addParameter(ParameterSelection(self.RTYPE, 'Output raster type',
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self.TYPE, 5))
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self.addOutput(OutputRaster(self.OUTPUT, 'Output file'))
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def processAlgorithm(self, progress):
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arguments = ['-l']
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arguments.append(
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os.path.basename(os.path.splitext(
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unicode(self.getParameterValue(self.INPUT)))[0]))
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fieldName = self.getParameterValue(self.Z_FIELD)
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if fieldName is not None and fieldName != '':
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arguments.append('-zfield')
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arguments.append(fieldName)
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params = 'average'
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params += ':radius1=%s' % self.getParameterValue(self.RADIUS_1)
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params += ':radius2=%s' % self.getParameterValue(self.RADIUS_2)
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params += ':angle=%s' % self.getParameterValue(self.ANGLE)
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params += ':min_points=%s' % self.getParameterValue(self.MIN_POINTS)
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params += ':nodata=%s' % self.getParameterValue(self.NODATA)
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arguments.append('-a')
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arguments.append(params)
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arguments.append('-ot')
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arguments.append(self.TYPE[self.getParameterValue(self.RTYPE)])
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arguments.append(unicode(self.getParameterValue(self.INPUT)))
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arguments.append(unicode(self.getOutputValue(self.OUTPUT)))
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GdalUtils.runGdal(['gdal_grid',
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GdalUtils.escapeAndJoin(arguments)], progress)
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