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"""
***************************************************************************
v_extrude.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"
from qgis.PyQt.QtCore import QCoreApplication
def checkParameterValuesBeforeExecuting(alg, parameters, context):
"""Verify if we have the right parameters"""
height = alg.parameterAsDouble(parameters, "height", context)
height_column = alg.parameterAsString(parameters, "height_column", context)
if (height and height_column) or (not height and not height_column):
return False, QCoreApplication.translate(
"GrassAlgorithmExt",
"You need to set either a fixed height value or the height column!",
)
return True, None
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