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# -*- coding: utf-8 -*- | ||
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""" | ||
*************************************************************************** | ||
gdalcalc.py | ||
--------------------- | ||
Date : Janaury 2015 | ||
Copyright : (C) 2015 by Giovanni Manghi | ||
Email : giovanni dot manghi at naturalgis dot pt | ||
*************************************************************************** | ||
* * | ||
* This program is free software; you can redistribute it and/or modify * | ||
* it under the terms of the GNU General Public License as published by * | ||
* the Free Software Foundation; either version 2 of the License, or * | ||
* (at your option) any later version. * | ||
* * | ||
*************************************************************************** | ||
""" | ||
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__author__ = 'Giovanni Manghi' | ||
__date__ = 'January 2015' | ||
__copyright__ = '(C) 2015, Giovanni Manghi' | ||
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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 | ||
from processing.core.parameters import ParameterString | ||
from processing.core.parameters import ParameterRaster | ||
from processing.core.parameters import ParameterNumber | ||
from processing.core.parameters import ParameterBoolean | ||
from processing.core.parameters import ParameterSelection | ||
from processing.core.parameters import ParameterExtent | ||
from processing.core.parameters import ParameterCrs | ||
from processing.core.outputs import OutputRaster | ||
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from processing.tools.system import isWindows | ||
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from processing.algs.gdal.GdalUtils import GdalUtils | ||
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class gdalcalc(GdalAlgorithm): | ||
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INPUT_A = 'INPUT_A' | ||
INPUT_B = 'INPUT_B' | ||
INPUT_C = 'INPUT_C' | ||
INPUT_D = 'INPUT_D' | ||
INPUT_E = 'INPUT_E' | ||
INPUT_F = 'INPUT_F' | ||
BAND_A = 'BAND_A' | ||
BAND_B = 'BAND_B' | ||
BAND_C = 'BAND_C' | ||
BAND_D = 'BAND_D' | ||
BAND_E = 'BAND_E' | ||
BAND_F = 'BAND_F' | ||
FORMULA = 'FORMULA' | ||
OUTPUT = 'OUTPUT' | ||
NO_DATA = 'NO_DATA' | ||
EXTRA = 'EXTRA' | ||
RTYPE = 'RTYPE' | ||
TYPE = ['Byte', 'Int16', 'UInt16', 'UInt32', 'Int32', 'Float32', 'Float64'] | ||
#DEBUG = 'DEBUG' | ||
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def defineCharacteristics(self): | ||
self.name = 'Raster calculator' | ||
self.group = '[GDAL] Miscellaneous' | ||
self.addParameter(ParameterRaster( | ||
self.INPUT_A, self.tr('Input layer A'), False)) | ||
self.addParameter(ParameterString(self.BAND_A, | ||
self.tr('Number of raster band for raster A'), '1', optional=True)) | ||
self.addParameter(ParameterRaster( | ||
self.INPUT_B, self.tr('Input layer B'), True)) | ||
self.addParameter(ParameterString(self.BAND_B, | ||
self.tr('Number of raster band for raster B'), '1', optional=True)) | ||
self.addParameter(ParameterRaster( | ||
self.INPUT_C, self.tr('Input layer C'), True)) | ||
self.addParameter(ParameterString(self.BAND_C, | ||
self.tr('Number of raster band for raster C'), '1', optional=True)) | ||
self.addParameter(ParameterRaster( | ||
self.INPUT_D, self.tr('Input layer D'), True)) | ||
self.addParameter(ParameterString(self.BAND_D, | ||
self.tr('Number of raster band for raster D'), '1', optional=True)) | ||
self.addParameter(ParameterRaster( | ||
self.INPUT_E, self.tr('Input layer E'), True)) | ||
self.addParameter(ParameterString(self.BAND_E, | ||
self.tr('Number of raster band for raster E'), '1', optional=True)) | ||
self.addParameter(ParameterRaster( | ||
self.INPUT_F, self.tr('Input layer F'), True)) | ||
self.addParameter(ParameterString(self.BAND_F, | ||
self.tr('Number of raster band for raster F'), '1', optional=True)) | ||
self.addParameter(ParameterString(self.FORMULA, | ||
self.tr('Calculation in gdalnumeric syntax using +-/* or any numpy array functions (i.e. logical_and())'), 'A*2', optional=False)) | ||
self.addParameter(ParameterString(self.NO_DATA, | ||
self.tr('Set output nodata value'), '-9999')) | ||
self.addParameter(ParameterSelection(self.RTYPE, | ||
self.tr('Output raster type'), self.TYPE, 5)) | ||
#self.addParameter(ParameterBoolean( | ||
# self.DEBUG, self.tr('Print debugging information'), False)) | ||
self.addParameter(ParameterString(self.EXTRA, | ||
self.tr('Additional creation parameters'), '', optional=True)) | ||
self.addOutput(OutputRaster(self.OUTPUT, self.tr('Output layer'))) | ||
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def processAlgorithm(self, progress): | ||
out = self.getOutputValue(self.OUTPUT) | ||
extra = str(self.getParameterValue(self.EXTRA)) | ||
#debug = self.getParameterValue(self.DEBUG) | ||
formula = self.getParameterValue(self.FORMULA) | ||
noData = str(self.getParameterValue(self.NO_DATA)) | ||
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arguments = [] | ||
arguments.append('--calc') | ||
arguments.append('"' + formula + '"') | ||
arguments.append('--format') | ||
arguments.append(GdalUtils.getFormatShortNameFromFilename(out)) | ||
arguments.append('--type') | ||
arguments.append(self.TYPE[self.getParameterValue(self.RTYPE)]) | ||
if len(noData) > 0: | ||
arguments.append('--NoDataValue') | ||
arguments.append(noData) | ||
if len(extra) > 0: | ||
arguments.append(extra) | ||
#if debug: | ||
# arguments.append('--debug') | ||
arguments.append('-A') | ||
arguments.append(self.getParameterValue(self.INPUT_A)) | ||
if self.getParameterValue(self.BAND_A): | ||
arguments.append('--A_band ' + self.getParameterValue(self.BAND_A)) | ||
if self.getParameterValue(self.INPUT_B): | ||
arguments.append('-B') | ||
arguments.append(self.getParameterValue(self.INPUT_B)) | ||
if self.getParameterValue(self.BAND_B): | ||
arguments.append('--B_band ' + self.getParameterValue(self.BAND_B)) | ||
if self.getParameterValue(self.INPUT_C): | ||
arguments.append('-C') | ||
arguments.append(self.getParameterValue(self.INPUT_C)) | ||
if self.getParameterValue(self.BAND_C): | ||
arguments.append('--C_band ' + self.getParameterValue(self.BAND_C)) | ||
if self.getParameterValue(self.INPUT_D): | ||
arguments.append('-D') | ||
arguments.append(self.getParameterValue(self.INPUT_D)) | ||
if self.getParameterValue(self.BAND_D): | ||
arguments.append('--D_band ' + self.getParameterValue(self.BAND_D)) | ||
if self.getParameterValue(self.INPUT_E): | ||
arguments.append('-E') | ||
arguments.append(self.getParameterValue(self.INPUT_E)) | ||
if self.getParameterValue(self.BAND_E): | ||
arguments.append('--E_band ' + self.getParameterValue(self.BAND_E)) | ||
if self.getParameterValue(self.INPUT_F): | ||
arguments.append('-F') | ||
arguments.append(self.getParameterValue(self.INPUT_F)) | ||
if self.getParameterValue(self.BAND_F): | ||
arguments.append('--F_band ' + self.getParameterValue(self.BAND_F)) | ||
arguments.append('--outfile') | ||
arguments.append(out) | ||
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if isWindows(): | ||
GdalUtils.runGdal(['gdal_calc', GdalUtils.escapeAndJoin(arguments)], progress) | ||
else: | ||
GdalUtils.runGdal(['gdal_calc.py', GdalUtils.escapeAndJoin(arguments)], progress) |