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Add i.pansharpen algorithm

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Médéric Ribreux Médéric RIBREUX
Médéric Ribreux authored and Médéric RIBREUX committed May 29, 2016
1 parent 5182748 commit c9f56125b90181eea2fa025cd8d612867d6e6187
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Image fusion algorithms to sharpen multispectral with high-res panchromatic channels
Imagery (i.*)
ParameterRaster|red|Name of red channel|False
ParameterRaster|green|Name of green channel|False
ParameterRaster|blue|Name of blue channel|False
ParameterRaster|pan|Name of raster map to be used for high resolution panchromatic channel|False
*ParameterBoolean|-l|Rebalance blue channel for LANDSAT|False
*ParameterBoolean|-s|Process bands serially (default: run in parallel)|False
OutputRaster|redoutput|Enhanced Red
OutputRaster|greenoutput|Enhanced Green
OutputRaster|blueoutput|Enhanced Blue

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# -*- coding: utf-8 -*-

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'

# This will get replaced with a git SHA1 when you do a git archive

__revision__ = '$Format:%H$'

from i import exportInputRasters
from processing.core.parameters import ParameterRaster, getParameterFromString

def processCommand(alg):

# Temporary remove outputs:
outputs = [alg.getOutputFromName('{}output'.format(f)) for f in ['red', 'green', 'blue']]
for out in outputs:

# create a false output
base = getParameterFromString('ParameterString|output|Name for output basename raster map(s)|None|False|False')
base.value = alg.getTempFilename()

# Re-add outputs
for output in outputs:

def processOutputs(alg):
base = alg.getParameterValue('output')
for channel in ['red', 'green', 'blue']:
command = 'r.out.gdal -c -t -f --overwrite createopt="TFW=YES,COMPRESS=LZW" input={} output=\"{}\"'.format(
'{}_{}'.format(base, channel),

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