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73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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SetRasterStyle.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 qgis.PyQt.QtXml import QDomDocument
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from qgis.core import (QgsProcessingParameterRasterLayer,
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QgsProcessingParameterFile,
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QgsProcessingOutputRasterLayer)
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from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
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class SetRasterStyle(QgisAlgorithm):
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INPUT = 'INPUT'
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STYLE = 'STYLE'
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OUTPUT = 'OUTPUT'
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def group(self):
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return self.tr('Raster tools')
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def __init__(self):
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super().__init__()
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def initAlgorithm(self, config=None):
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self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT,
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self.tr('Raster layer')))
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self.addParameter(QgsProcessingParameterFile(self.STYLE,
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self.tr('Style file'), extension='qml'))
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self.addOutput(QgsProcessingOutputRasterLayer(self.INPUT, self.tr('Styled')))
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def name(self):
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return 'setstyleforrasterlayer'
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def displayName(self):
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return self.tr('Set style for raster layer')
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def processAlgorithm(self, parameters, context, feedback):
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layer = self.parameterAsRasterLayer(parameters, self.INPUT, context)
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style = self.parameterAsFile(parameters, self.STYLE, context)
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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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layer.importNamedStyle(d)
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layer.triggerRepaint()
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return {self.INPUT: layer}
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