mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-25 00:58:06 -05:00
53 lines
2.1 KiB
Python
53 lines
2.1 KiB
Python
"""
|
|
***************************************************************************
|
|
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.grass_utils import GrassUtils
|
|
|
|
|
|
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 = GrassUtils.getRasterFormatFromFilename(fileName)
|
|
alg.exportRasterLayer('blended.{}'.format(color[0]),
|
|
fileName, True, outFormat, createOpt, metaOpt)
|