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55 lines
2.1 KiB
Python
55 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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r_blend_rgb.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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import os
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from processing.algs.grass7.Grass7Utils import Grass7Utils
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def processInputs(alg, parameters, context, feedback):
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if 'first' and 'second' in alg.exportedLayers:
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return
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# Use v.in.ogr
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for name in ['first', 'second']:
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alg.loadRasterLayerFromParameter(name, parameters, context, False, None)
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alg.postInputs(context)
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def processCommand(alg, parameters, context, feedback):
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# We need to remove all outputs
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alg.processCommand(parameters, context, feedback, True)
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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 each color raster
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colors = ['red', 'green', 'blue']
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for color in colors:
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fileName = os.path.normpath(
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alg.parameterAsOutputLayer(parameters, 'output_{}'.format(color), context))
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outFormat = Grass7Utils.getRasterFormatFromFilename(fileName)
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alg.exportRasterLayer('blended.{}'.format(color[0]),
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fileName, True, outFormat, createOpt, metaOpt)
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