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72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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SelectByLocation.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf 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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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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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 PyQt4.QtCore import *
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from PyQt4.QtXml import *
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from qgis.core import *
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from processing.core.GeoAlgorithm import GeoAlgorithm
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from processing.parameters.ParameterFile import ParameterFile
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from processing.parameters.ParameterRaster import ParameterRaster
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from processing.outputs.OutputRaster import OutputRaster
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from processing.tools import dataobjects
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from qgis.utils import iface
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class SetRasterStyle(GeoAlgorithm):
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INPUT = 'INPUT'
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STYLE = 'STYLE'
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OUTPUT = 'OUTPUT'
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def defineCharacteristics(self):
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self.name = 'Set style for raster layer'
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self.group = 'Raster general tools'
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self.addParameter(ParameterRaster(self.INPUT, 'Raster layer'))
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self.addParameter(ParameterFile(self.STYLE,
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'Style file', False, False, 'qml'))
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self.addOutput(OutputRaster(self.OUTPUT, 'Styled layer', True))
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def processAlgorithm(self, progress):
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filename = self.getParameterValue(self.INPUT)
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layer = dataobjects.getObjectFromUri(filename)
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style = self.getParameterValue(self.STYLE)
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if layer is None:
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dataobjects.load(filename, os.path.basename(filename), style=style)
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self.getOutputFromName(self.OUTPUT).open = False
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else:
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with open(style) as f:
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xml = "".join(f.readlines())
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d = QDomDocument()
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d.setContent(xml)
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n = d.firstChild()
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layer.readSymbology(n, '')
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self.setOutputValue(self.OUTPUT, filename)
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iface.mapCanvas().refresh()
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iface.legendInterface().refreshLayerSymbology(layer)
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