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38 lines
1.6 KiB
Python
38 lines
1.6 KiB
Python
"""
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***************************************************************************
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v_transform.py
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----------
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Date : February 2024
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Copyright : (C) 2024 by Andrea Giudiceandrea
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Email : andreaerdna at libero dot it
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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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* any later version. *
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* *
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***************************************************************************
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"""
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__author__ = "Andrea Giudiceandrea"
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__date__ = "February 2024"
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__copyright__ = "(C) 2024, Andrea Giudiceandrea"
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from qgis.PyQt.QtCore import QCoreApplication
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def checkParameterValuesBeforeExecuting(alg, parameters, context):
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"""Verify if we have the right parameters"""
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# -w, -x and -y parameters are mutually exclusive
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w = alg.parameterAsBoolean(parameters, "-w", context)
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x = alg.parameterAsBoolean(parameters, "-x", context)
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y = alg.parameterAsBoolean(parameters, "-y", context)
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if sum([w, x, y]) > 1:
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return False, QCoreApplication.translate(
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"GrassAlgorithmExt",
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"The 'Swap coordinates' parameters -w, -x and -y are mutually exclusive. You need to set either none or only one of them!",
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)
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return True, None
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