QGIS/python/plugins/grassprovider/ext/i_pansharpen.py
2024-11-29 15:38:02 +01:00

47 lines
2.1 KiB
Python

"""
***************************************************************************
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.grass_utils import GrassUtils
def processCommand(alg, parameters, context, feedback):
# Temporary remove outputs and add a virtual output parameter
outputName = f"output_{os.path.basename(getTempFilename(context=context))}"
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, f"{channel}output", context)
grassName = f"{outputName}_{channel}"
outFormat = GrassUtils.getRasterFormatFromFilename(fileName)
alg.exportRasterLayer(grassName, fileName, True, outFormat, createOpt, metaOpt)