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- """
- ***************************************************************************
- r_blend_rgb.py
- --------------
- Date : February 2016
- Copyright : (C) 2016 by Médéric Ribreux
- Email : medspx at medspx dot fr
- ***************************************************************************
- * *
- * 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__ = 'Médéric Ribreux'
- __date__ = 'February 2016'
- __copyright__ = '(C) 2016, Médéric Ribreux'
- import os
- from grassprovider.Grass7Utils import Grass7Utils
- def processInputs(alg, parameters, context, feedback):
- if 'first' and 'second' in alg.exportedLayers:
- return
- # Use v.in.ogr
- for name in ['first', 'second']:
- alg.loadRasterLayerFromParameter(name, parameters, context, False, None)
- alg.postInputs(context)
- def processCommand(alg, parameters, context, feedback):
- # We need to remove all outputs
- alg.processCommand(parameters, context, feedback, True)
- def processOutputs(alg, parameters, context, feedback):
- createOpt = alg.parameterAsString(parameters, alg.GRASS_RASTER_FORMAT_OPT, context)
- metaOpt = alg.parameterAsString(parameters, alg.GRASS_RASTER_FORMAT_META, context)
- # Export each color raster
- colors = ['red', 'green', 'blue']
- for color in colors:
- fileName = os.path.normpath(
- alg.parameterAsOutputLayer(parameters, 'output_{}'.format(color), context))
- outFormat = Grass7Utils.getRasterFormatFromFilename(fileName)
- alg.exportRasterLayer('blended.{}'.format(color[0]),
- fileName, True, outFormat, createOpt, metaOpt)
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