Add r.topmodel algorithm

Author: Médéric RIBREUX

python/plugins/processing/algs/grass7/description/r.topmodel.topidxstats.txt

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+r.topmodel
+r.topmodel.topidxstats - Builds a TOPMODEL topographic index statistics file.
+Raster (r.*)
+ParameterRaster|topidx|Name of input topographic index raster map|False
+ParameterNumber|ntopidxclasses|Number of topographic index classes|0|None|30|True
+Hardcoded|-p
+OutputFile|outtopidxstats|TOPMODEL topographic index statistics file

python/plugins/processing/algs/grass7/description/r.topmodel.txt

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+r.topmodel
+Simulates TOPMODEL which is a physically based hydrologic model.
+Raster (r.*)
+ParameterFile|parameters|Name of TOPMODEL parameters file|False|False
+ParameterFile|topidxstats|Name of topographic index statistics file|False|False
+ParameterFile|input|Name of rainfall and potential evapotranspiration data file|False|False
+ParameterString|timestep|Time step. Generate output for this time step|None|False|True
+ParameterString|topidxclass|Topographic index class. Generate output for this topographic index class|None|False|True
+OutputFile|output|TOPMODEL output

python/plugins/processing/algs/grass7/ext/r_topmodel.py

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+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    r_topmodel.py
+    -------------
+    Date                 : February 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__ = 'February 2016'
+__copyright__ = '(C) 2016, Médéric Ribreux'
+
+# This will get replaced with a git SHA1 when you do a git archive
+
+__revision__ = '$Format:%H$'
+
+
+def processCommand(alg):
+    # We temporary remove the output
+    out = alg.getOutputFromName('out')
+    topidx = alg.getParameterValue('topidx')
+    command = "r.topmodel parameters=\"{}\" topidxstats=\"{}\" input=\"{}\" output=\"{}\" {} {}--overwrite".format(
+        alg.getParameterValue('parameters'),
+        alg.getParameterValue('topidxstats'),
+        alg.getParameterValue('input'),
+        alg.getOutputValue('output'),
+        'timestep={}'.format(alg.getParameterValue('timestep')) if alg.getParameterValue('timestep') else '',
+        'topidxclass={}'.format(alg.getParameterValue('topidxclass')) if alg.getParameterValue('topidxclass') else ''
+    )
+    alg.commands.append(command)
+

python/plugins/processing/algs/grass7/ext/r_topmodel_topidxstats.py

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+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    r_topmodel_topidxstats.py
+    -------------------------
+    Date                 : February 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__ = 'February 2016'
+__copyright__ = '(C) 2016, Médéric Ribreux'
+
+# This will get replaced with a git SHA1 when you do a git archive
+
+__revision__ = '$Format:%H$'
+
+
+def processCommand(alg):
+    # We temporary remove the output
+    out = alg.getOutputFromName('outtopidxstats')
+    topidx = alg.getParameterValue('topidx')
+    command = "r.topmodel -p topidx={} ntopidxclasses={} outtopidxstats={} --overwrite".format(
+        alg.exportedLayers[topidx],
+        alg.getParameterValue('ntopidxclasses'),
+        out.value
+    )
+    alg.commands.append(command)
+