QGIS/python/plugins/grassprovider/ext/i_pansharpen.py
2021-06-21 07:17:36 +03:00

48 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
i_pansharpen.py
---------------
Date : March 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__ = 'March 2016'
__copyright__ = '(C) 2016, Médéric Ribreux'
import os
from qgis.core import QgsProcessingParameterString
from processing.tools.system import getTempFilename
from grassprovider.Grass7Utils import Grass7Utils
def processCommand(alg, parameters, context, feedback):
# Temporary remove outputs and add a virtual output parameter
outputName = 'output_{}'.format(os.path.basename(getTempFilename()))
param = QgsProcessingParameterString('output', 'virtual output',
outputName, False, False)
alg.addParameter(param)
alg.processCommand(parameters, context, feedback, True)
def processOutputs(alg, parameters, context, feedback):
outputName = alg.parameterAsString(parameters, 'output', context)
createOpt = alg.parameterAsString(parameters, alg.GRASS_RASTER_FORMAT_OPT, context)
metaOpt = alg.parameterAsString(parameters, alg.GRASS_RASTER_FORMAT_META, context)
for channel in ['red', 'green', 'blue']:
fileName = alg.parameterAsOutputLayer(parameters, '{}output'.format(channel), context)
grassName = '{}_{}'.format(outputName, channel)
outFormat = Grass7Utils.getRasterFormatFromFilename(fileName)
alg.exportRasterLayer(grassName, fileName, True, outFormat, createOpt, metaOpt)