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Add i.pansharpen algorithm
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Médéric Ribreux
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Médéric RIBREUX
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May 29, 2016
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python/plugins/processing/algs/grass7/description/i.pansharpen.txt
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i.pansharpen | ||
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 | ||
ParameterSelection|method|Method|brovey;ihs;pca|1 | ||
*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 -*- | ||
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""" | ||
*************************************************************************** | ||
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. * | ||
* * | ||
*************************************************************************** | ||
""" | ||
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__author__ = 'Médéric Ribreux' | ||
__date__ = 'March 2016' | ||
__copyright__ = '(C) 2016, Médéric Ribreux' | ||
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# This will get replaced with a git SHA1 when you do a git archive | ||
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__revision__ = '$Format:%H$' | ||
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from i import exportInputRasters | ||
from processing.core.parameters import ParameterRaster, getParameterFromString | ||
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def processCommand(alg): | ||
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# Temporary remove outputs: | ||
outputs = [alg.getOutputFromName('{}output'.format(f)) for f in ['red', 'green', 'blue']] | ||
for out in outputs: | ||
alg.removeOutputFromName(out.name) | ||
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# create a false output | ||
base = getParameterFromString('ParameterString|output|Name for output basename raster map(s)|None|False|False') | ||
base.value = alg.getTempFilename() | ||
alg.addParameter(base) | ||
alg.processCommand() | ||
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# Re-add outputs | ||
for output in outputs: | ||
alg.addOutput(output) | ||
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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), | ||
alg.getOutputValue('{}output'.format(channel)) | ||
) | ||
alg.commands.append(command) | ||
alg.outputCommands.append(command) |