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Add i.gensig algorithm

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Médéric RIBREUX
Médéric RIBREUX committed Apr 24, 2016
1 parent b533000 commit a231bbd9c2f0add97b08e29f8bef07149b0c47ba
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i.gensig
Generates statistics for i.maxlik from raster map.
Imagery (i.*)
ParameterRaster|trainingmap|Ground truth training map|False
ParameterMultipleInput|input|Input rasters|3|False
OutputFile|signaturefile|Signature File

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

"""
***************************************************************************
i_gensig.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'

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

__revision__ = '$Format:%H$'

from i import regroupRasters, file2Output, moveFile
from os import path
from ..Grass7Utils import Grass7Utils


def processCommand(alg):
# Transform output files in string parameter
signatureFile = alg.getOutputFromName('signaturefile')
origSigFile = signatureFile.value
shortSigFile = path.basename(origSigFile)
alg.setOutputValue('signaturefile', shortSigFile)

signatureFile = file2Output(alg, 'signaturefile')

# Regroup rasters
group, subgroup = regroupRasters(alg, 'input', 'group', 'subgroup')

# Re-add signature files
alg.addOutput(signatureFile)

# Find Grass directory
interSig = path.join(Grass7Utils.grassMapsetFolder(), 'PERMANENT', 'group', group, 'subgroup', subgroup, 'sig', shortSigFile)
moveFile(alg, interSig, origSigFile)
alg.setOutputValue('signaturefile', origSigFile)

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