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84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
"""
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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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import os
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from qgis.PyQt.QtXml import QDomDocument
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from qgis.core import (
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QgsProcessingAlgorithm,
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QgsProcessingParameterRasterLayer,
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QgsProcessingParameterFile,
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QgsProcessingOutputRasterLayer,
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)
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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 groupId(self):
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return "rastertools"
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def __init__(self):
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super().__init__()
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def flags(self):
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return (
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super().flags()
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| QgsProcessingAlgorithm.Flag.FlagNoThreading
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| QgsProcessingAlgorithm.Flag.FlagDeprecated
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| QgsProcessingAlgorithm.Flag.FlagNotAvailableInStandaloneTool
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)
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def initAlgorithm(self, config=None):
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self.addParameter(
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QgsProcessingParameterRasterLayer(self.INPUT, self.tr("Raster layer"))
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)
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self.addParameter(
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QgsProcessingParameterFile(
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self.STYLE, self.tr("Style file"), extension="qml"
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)
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)
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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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