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Add v.extrude algorithm

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Médéric RIBREUX
Médéric RIBREUX committed Mar 12, 2016
1 parent 2f579d2 commit 014355aa7e3f403dd2c3ad4ce1e19d97abdadb97
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v.extrude
Extrudes flat vector object to 3D with defined height.
Vector (v.*)
ParameterVector|input|Name of input 2D vector map|-1|False
ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|None|True|True
ParameterNumber|zshift|Shifting value for z coordinates|0.0|None|0.0|True
ParameterString|height|Fixed height for 3D vector objects (float)|None|False|True
ParameterTableField|height_column|Name of attribute column with object heights|input|0|True
ParameterRaster|elevation|Elevation raster for height extraction|True
ParameterSelection|method|Sampling interpolation method|nearest;bilinear;bicubic|0
ParameterNumber|scale|Scale factor sampled raster values|0.0|None|1.0|True
ParameterString|null_value|Height for sampled raster NULL values|None|False|True
*ParameterBoolean|-t|Trace elevation|False
OutputVector|output|3D Vector
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# -*- coding: utf-8 -*-

"""
***************************************************************************
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'

# This will get replaced with a git SHA1 when you do a git archive

__revision__ = '$Format:%H$'


def checkParameterValuesBeforeExecuting(alg):
""" Verify if we have the right parameters """
height = alg.getParameterValue('height')
height_column = alg.getParameterValue('height_column')
if (height and height_column) or (not height and not height_column):
return alg.tr("You need to set either a fixed height value or the height column!")

return None

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