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Add i.landsat.acc algorithm
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i.landsat.acca
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Performs Landsat TM/ETM+ Automatic Cloud Cover Assessment (ACCA).
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Imagery (i.*)
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ParameterMultipleInput|rasters|Landsat input rasters|3|False
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ParameterNumber|b56composite|B56composite (step 6)|0|None|225|True
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ParameterNumber|b45ratio|B45ratio: Desert detection (step 10)|0|None|1|True
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ParameterNumber|histogram|Number of classes in the cloud temperature histogram|0|None|100|True
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*ParameterBoolean|-5|Data is Landsat-5 TM|False
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*ParameterBoolean|-f|Apply post-processing filter to remove small holes|False
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*ParameterBoolean|-x|Always use cloud signature (step 14)|False
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*ParameterBoolean|-2|Bypass second-pass processing, and merge warm (not ambiguous) and cold clouds|False
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*ParameterBoolean|-s|Include a category for cloud shadows|False
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OutputRaster|output|ACCA Raster
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@ -51,7 +51,7 @@ def multipleOutputDir(alg, field, basename=None):
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alg.outputCommands.extend(commands)
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def orderedInput(alg, inputParameter, targetParameterDef):
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def orderedInput(alg, inputParameter, targetParameterDef, numSeq=None):
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"""Inport multiple rasters in the order"""
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rasters = alg.getParameterValue(inputParameter).split(';')
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# TODO: make targetParameter
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@ -59,12 +59,16 @@ def orderedInput(alg, inputParameter, targetParameterDef):
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rootFilename = '{}_'.format(alg.getTempFilename())
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inputParameter.value = rootFilename
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alg.addParameter(inputParameter)
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# Handle specific range
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if numSeq is None:
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numSeq = range(1, len(rasters) + 1)
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for idx in range(len(rasters)):
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layer = rasters[idx]
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if layer in alg.exportedLayers.keys():
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continue
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else:
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destFilename = '{}{}'.format(rootFilename, idx + 1)
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destFilename = '{}{}'.format(rootFilename, numSeq[idx])
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alg.setSessionProjectionFromLayer(layer, alg.commands)
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alg.exportedLayers[layer] = destFilename
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command = 'r.external input={} band=1 output={} --overwrite -o'.format(layer, destFilename)
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49
python/plugins/processing/algs/grass7/ext/i_landsat_acca.py
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49
python/plugins/processing/algs/grass7/ext/i_landsat_acca.py
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# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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i_landsat_acca.py
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-----------------
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Date : March 2016
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Copyright : (C) 2016 by Médéric Ribreux
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Email : medspx at medspx dot fr
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Médéric Ribreux'
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__date__ = 'March 2016'
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__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 verifyRasterNum, orderedInput
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def checkParameterValuesBeforeExecuting(alg):
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return verifyRasterNum(alg, 'rasters', 5, 5)
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def processInputs(alg):
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orderedInput(alg, 'rasters',
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"ParameterString|input|Base name of input raster bands|None|False|False",
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[2, 3, 4, 5, 61])
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def processCommand(alg):
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# Remove rasters parameter
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rasters = alg.getParameterFromName('rasters')
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alg.parameters.remove(rasters)
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alg.processCommand()
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# re-add rasters
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alg.addParameter(rasters)
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@ -35,7 +35,8 @@ def checkParameterValuesBeforeExecuting(alg):
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def processInputs(alg):
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orderedInput(alg, 'rasters',
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"ParameterString|input|Base name of input raster bands|None|False|False")
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"ParameterString|input|Base name of input raster bands|None|False|False",
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[1, 2, 3, 4, 5, 61, 62, 7, 8])
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def processCommand(alg):
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@ -52,7 +53,6 @@ def processCommand(alg):
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param.value = '{}_'.format(alg.getTempFilename())
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alg.addParameter(param)
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# Regroup rasters
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alg.processCommand()
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# re-add output
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