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56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
"""
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***************************************************************************
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v_rectify.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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import os
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from grassprovider.grass_utils import GrassUtils
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from processing.tools.system import getTempFilename
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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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if alg.parameterAsString(
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parameters, "inline_points", context
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) and alg.parameterAsString(parameters, "points", context):
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return False, QCoreApplication.translate(
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"GrassAlgorithmExt",
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"You need to set either an input control point file or inline control points!",
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)
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return True, None
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def processCommand(alg, parameters, context, feedback):
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# handle inline points
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inlinePoints = alg.parameterAsString(parameters, "inline_points", context)
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if inlinePoints:
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# Creates a temporary txt file
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pointsName = getTempFilename(context=context)
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# Inject rules into temporary txt file
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with open(pointsName, "w") as tempPoints:
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tempPoints.write(inlinePoints)
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alg.removeParameter("inline_points")
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parameters["points"] = pointsName
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alg.processCommand(parameters, context, feedback)
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