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41 lines
1.7 KiB
Python
41 lines
1.7 KiB
Python
"""
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***************************************************************************
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i_evapo_mh.py
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-------------
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Date : February 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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from qgis.PyQt.QtCore import QCoreApplication
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def checkParameterValuesBeforeExecuting(alg, parameters, context):
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if alg.parameterAsBoolean(parameters, "-h", context) and alg.parameterAsLayer(
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parameters, "precipitation", context
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):
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return False, QCoreApplication.translate(
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"GrassAlgorithmExt",
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"You can't use original Hargreaves flag and precipitation parameter together!",
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)
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if not alg.parameterAsBoolean(
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parameters, "-h", context
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) and not alg.parameterAsLayer(parameters, "precipitation", context):
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return False, QCoreApplication.translate(
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"GrassAlgorithmExt",
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"If you don't use original Hargreaves flag, you must set the precipitation raster parameter!",
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)
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return True, None
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