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95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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rasterize_over.py
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---------------------
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Date : September 2013
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Copyright : (C) 2013 by Alexander Bruy
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Email : alexander dot bruy at gmail dot com
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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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from builtins import str
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__author__ = 'Alexander Bruy'
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__date__ = 'September 2013'
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__copyright__ = '(C) 2013, Alexander Bruy'
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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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import os
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from qgis.core import QgsProcessingUtils
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from qgis.PyQt.QtGui import QIcon
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from processing.core.parameters import ParameterVector
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from processing.core.parameters import ParameterRaster
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from processing.core.parameters import ParameterTableField
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.algs.gdal.GdalUtils import GdalUtils
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from processing.tools import dataobjects
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from processing.tools.vector import ogrConnectionString, ogrLayerName
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pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
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class rasterize_over(GdalAlgorithm):
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INPUT = 'INPUT'
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INPUT_RASTER = 'INPUT_RASTER'
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FIELD = 'FIELD'
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def icon(self):
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return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'rasterize.png'))
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def __init__(self):
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super().__init__()
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self.addParameter(ParameterVector(self.INPUT, self.tr('Input layer')))
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self.addParameter(ParameterTableField(self.FIELD,
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self.tr('Attribute field'), self.INPUT))
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self.addParameter(ParameterRaster(self.INPUT_RASTER,
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self.tr('Existing raster layer'), False))
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def name(self):
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return 'rasterize_over'
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def displayName(self):
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return self.tr('Rasterize (write over existing raster)')
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def group(self):
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return self.tr('Vector conversion')
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def getConsoleCommands(self, parameters):
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context = dataobjects.createContext()
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inLayer = QgsProcessingUtils.mapLayerFromString(self.getParameterValue(self.INPUT), context)
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inRasterLayer = QgsProcessingUtils.mapLayerFromString(self.getParameterValue(self.INPUT_RASTER), context)
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ogrLayer = ogrConnectionString(inLayer)[1:-1]
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ogrRasterLayer = ogrConnectionString(inRasterLayer)[1:-1]
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arguments = []
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arguments.append('-a')
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arguments.append(str(self.getParameterValue(self.FIELD)))
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arguments.append('-l')
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arguments.append(ogrLayerName(inLayer))
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arguments.append(ogrLayer)
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arguments.append(ogrRasterLayer)
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return ['gdal_rasterize', GdalUtils.escapeAndJoin(arguments)]
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def commandName(self):
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return "gdal_rasterize"
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