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66 lines
2.4 KiB
Python
66 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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r_mapcalc.py
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------------
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Date : February 2016
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Copyright : (C) 2016 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__ = 'February 2016'
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__copyright__ = '(C) 2016, 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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import os
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def checkParameterValuesBeforeExecuting(alg, parameters, context):
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""" Verify if we have the right parameters """
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if (alg.parameterAsString(parameters, 'expression', context)
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and alg.parameterAsString(parameters, 'file', context)):
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return alg.tr("You need to set either inline expression or a rules file!")
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return None
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def processInputs(alg, parameters, context):
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# We will use the same raster names than in QGIS to name the rasters in GRASS
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rasters = alg.parameterAsLayerList(parameters, 'maps', context)
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for idx, raster in enumerate(rasters):
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rasterName = os.path.splitext(
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os.path.basename(raster.source()))[0]
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alg.inputLayers.append(raster)
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alg.setSessionProjectionFromLayer(raster)
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command = 'r.in.gdal input="{0}" output="{1}" --overwrite -o'.format(
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os.path.normpath(raster.source()),
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rasterName)
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alg.commands.append(command)
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alg.removeParameter('maps')
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alg.postInputs()
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def processCommand(alg, parameters, context):
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alg.processCommand(parameters, context, True)
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def processOutputs(alg, parameters, context):
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# We need to export every raster from the GRASSDB
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alg.exportRasterLayersIntoDirectory('output_dir',
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parameters, context,
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wholeDB=True)
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