mirror of
https://github.com/qgis/QGIS.git
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c6d921729e
* issues identified by pyflakes (star and unused imports)
* pyqtwrapper: add QtSvg
* some exceptions e.message => unicode(e)
* some translations tr("..." % foo) => tr("...") % foo
* TODO:
python/console/console_sci.py:547 QsciScintillaCompat?
python/plugins/db_manager/dlg_query_builder.py:304 pop_up_error?
91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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r_null.py
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---------------------
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Date : February 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__ = 'February 2016'
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__copyright__ = '(C) 2016, Médéric Ribreux'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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def checkParameterValuesBeforeExecuting(alg):
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""" Verify if we have the right parameters """
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if alg.getParameterValue(u'setnull') or alg.getParameterValue(u'null'):
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return None
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return alg.tr("You need to set at least 'setnull' or 'null' parameters for this algorithm!")
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def processInputs(alg):
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"""Prepare the GRASS import commands"""
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inputRaster = alg.getParameterValue(u'map')
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if inputRaster in alg.exportedLayers.keys():
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return
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else:
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alg.setSessionProjectionFromLayer(inputRaster, alg.commands)
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destFilename = alg.getTempFilename()
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alg.exportedLayers[inputRaster] = destFilename
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command = 'r.in.gdal input={} output={} band=1 --overwrite -o'.format(inputRaster, destFilename)
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alg.commands.append(command)
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alg.setSessionProjectionFromProject(alg.commands)
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region = unicode(alg.getParameterValue(alg.GRASS_REGION_EXTENT_PARAMETER))
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regionCoords = region.split(',')
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command = 'g.region'
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command += ' -a'
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command += ' n=' + unicode(regionCoords[3])
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command += ' s=' + unicode(regionCoords[2])
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command += ' e=' + unicode(regionCoords[1])
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command += ' w=' + unicode(regionCoords[0])
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cellsize = alg.getParameterValue(alg.GRASS_REGION_CELLSIZE_PARAMETER)
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if cellsize:
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command += ' res=' + unicode(cellsize)
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else:
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command += ' res=' + unicode(alg.getDefaultCellsize())
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alignToResolution = alg.getParameterValue(alg.GRASS_REGION_ALIGN_TO_RESOLUTION)
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if alignToResolution:
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command += ' -a'
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alg.commands.append(command)
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def processCommand(alg):
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# We temporary remove the output 'sequence'
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output = alg.getOutputFromName(u'output')
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alg.removeOutputFromName(u'output')
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# Launch the algorithm
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alg.processCommand()
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# We re-add the previous output
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alg.addOutput(output)
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def processOutputs(alg):
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output = alg.getOutputValue(u'output')
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command = u"r.out.gdal -c createopt=\"TFW=YES,COMPRESS=LZW\" input={} output=\"{}\" --overwrite".format(
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alg.exportedLayers[alg.getParameterValue(u'map')],
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output
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)
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alg.commands.append(command)
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alg.outputCommands.append(command)
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