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59 lines
2.3 KiB
Python
59 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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r_statistics.py
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---------------
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Date : September 2017
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Copyright : (C) 2017 by Médéric Ribreux
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Email : medspx at medspx dot fr
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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__ = 'Médéric Ribreux'
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__date__ = 'September 2017'
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__copyright__ = '(C) 2017, Médéric Ribreux'
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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 qgis.core import QgsProcessingParameterString
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from processing.algs.grass7.Grass7Utils import Grass7Utils
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def processCommand(alg, parameters, context, feedback):
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# We had a new "output" parameter
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out = 'output{}'.format(alg.uniqueSuffix)
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p = QgsProcessingParameterString('~output', None, out, False, False)
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alg.addParameter(p)
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# We need to remove all outputs
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alg.processCommand(parameters, context, feedback, True)
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# Then we add a new command for treating results
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calcExpression = 'correctedoutput{}=@{}'.format(
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alg.uniqueSuffix, out)
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command = 'r.mapcalc expression="{}"'.format(calcExpression)
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alg.commands.append(command)
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def processOutputs(alg, parameters, context, feedback):
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createOpt = alg.parameterAsString(parameters, alg.GRASS_RASTER_FORMAT_OPT, context)
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metaOpt = alg.parameterAsString(parameters, alg.GRASS_RASTER_FORMAT_META, context)
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# Export the results from correctedoutput
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grassName = 'correctedoutput{}'.format(alg.uniqueSuffix)
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fileName = alg.parameterAsOutputLayer(
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parameters, 'routput', context)
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outFormat = Grass7Utils.getRasterFormatFromFilename(fileName)
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alg.exportRasterLayer(grassName, fileName, True,
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outFormat, createOpt, metaOpt)
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