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# -*- coding: utf-8 -*-
"""
***************************************************************************
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. *
* *
***************************************************************************
"""
__author__ = 'Giovanni Manghi'
__date__ = 'January 2015'
__copyright__ = '(C) 2015, Giovanni Manghi'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
from processing.core.parameters import ParameterString
from processing.core.parameters import ParameterRaster
from processing.core.parameters import ParameterSelection
from processing.core.outputs import OutputRaster
from processing.tools.system import isWindows
from processing.algs.gdal.GdalUtils import GdalUtils
class gdalcalc(GdalAlgorithm):
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']
def defineCharacteristics(self):
self.name, self.i18n_name = self.trAlgorithm('Raster calculator')
self.group, self.i18n_group = self.trAlgorithm('[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'), '', optional=True))
self.addParameter(ParameterSelection(self.RTYPE,
self.tr('Output raster type'), self.TYPE, 5))
self.addParameter(ParameterString(self.EXTRA,
self.tr('Additional creation parameters'), '', optional=True))
self.addOutput(OutputRaster(self.OUTPUT, self.tr('Calculated')))
def getConsoleCommands(self):
out = self.getOutputValue(self.OUTPUT)
extra = self.getParameterValue(self.EXTRA)
if extra is not None:
extra = unicode(extra)
formula = self.getParameterValue(self.FORMULA)
noData = self.getParameterValue(self.NO_DATA)
if noData is not None:
noData = unicode(noData)
arguments = []
arguments.append('--calc "{}"'.format(formula))
arguments.append('--format')
arguments.append(GdalUtils.getFormatShortNameFromFilename(out))
arguments.append('--type')
arguments.append(self.TYPE[self.getParameterValue(self.RTYPE)])
if noData and len(noData) > 0:
arguments.append('--NoDataValue')
arguments.append(noData)
if extra and len(extra) > 0:
arguments.append(extra)
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)
if isWindows():
return ['gdal_calc', GdalUtils.escapeAndJoin(arguments)]
else:
return ['gdal_calc.py', GdalUtils.escapeAndJoin(arguments)]
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