mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-30 00:07:09 -04:00
2628c480c5
Prevent changes to files that weren't changed between releases. This eases review of the changes between releases significantly.
52 lines
2.2 KiB
Python
52 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
r_horizon.py
|
|
------------
|
|
Date : September 2017
|
|
Copyright : (C) 2017 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__ = 'September 2017'
|
|
__copyright__ = '(C) 2017, Médéric Ribreux'
|
|
|
|
import os
|
|
|
|
|
|
def checkParameterValuesBeforeExecuting(alg, parameters, context):
|
|
""" Verify if we have the right parameters """
|
|
start = alg.parameterAsDouble(parameters, 'start', context)
|
|
end = alg.parameterAsDouble(parameters, 'end', context)
|
|
step = alg.parameterAsDouble(parameters, 'step', context)
|
|
|
|
if start >= end:
|
|
return False, alg.tr("The start position must be inferior to the end position!")
|
|
if step == 0.0:
|
|
return False, alg.tr("The step must be greater than zero!")
|
|
return True, None
|
|
|
|
|
|
def processOutputs(alg, parameters, context, feedback):
|
|
# There will be as many outputs as the difference between start and end divided by steps
|
|
start = alg.parameterAsDouble(parameters, 'start', context)
|
|
end = alg.parameterAsDouble(parameters, 'end', context)
|
|
step = alg.parameterAsDouble(parameters, 'step', context)
|
|
num = start
|
|
directory = alg.parameterAsString(parameters, 'output', context)
|
|
while num < end:
|
|
grassName = '{}_{}'.format('output{}'.format(alg.uniqueSuffix), int(num))
|
|
fileName = '{}.tif'.format(os.path.join(directory, '{0:0>3}'.format(int(num))))
|
|
alg.exportRasterLayer(grassName, fileName)
|
|
num += step
|