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[processing] added algs to set style of layer
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# -*- coding: utf-8 -*- | ||
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""" | ||
*************************************************************************** | ||
SelectByLocation.py | ||
--------------------- | ||
Date : August 2012 | ||
Copyright : (C) 2012 by Victor Olaya | ||
Email : volayaf at gmail dot com | ||
*************************************************************************** | ||
* * | ||
* This program is free software; you can redistribute it and/or modify * | ||
* it under the terms of the GNU General Public License as published by * | ||
* the Free Software Foundation; either version 2 of the License, or * | ||
* (at your option) any later version. * | ||
* * | ||
*************************************************************************** | ||
""" | ||
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__author__ = 'Victor Olaya' | ||
__date__ = 'August 2012' | ||
__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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from PyQt4.QtCore import * | ||
from PyQt4.QtXml import * | ||
from qgis.core import * | ||
from processing.core.GeoAlgorithm import GeoAlgorithm | ||
from processing.parameters.ParameterFile import ParameterFile | ||
from processing.parameters.ParameterRaster import ParameterRaster | ||
from processing.outputs.OutputRaster import OutputRaster | ||
from processing.tools import dataobjects | ||
from qgis.utils import iface | ||
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class SetRasterStyle(GeoAlgorithm): | ||
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INPUT = 'INPUT' | ||
STYLE = 'STYLE' | ||
OUTPUT = 'OUTPUT' | ||
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def defineCharacteristics(self): | ||
self.allowOnlyOpenedLayers = True | ||
self.name = 'Set style for raster layer' | ||
self.group = 'Raster general tools' | ||
self.addParameter(ParameterRaster(self.INPUT, 'Vector layer')) | ||
self.addParameter(ParameterFile(self.STYLE, | ||
'Style file', False, False, 'qml')) | ||
self.addOutput(OutputRaster(self.OUTPUT, 'Styled layer', True)) | ||
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def processAlgorithm(self, progress): | ||
filename = self.getParameterValue(self.INPUT) | ||
layer = dataobjects.getObjectFromUri(filename) | ||
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style = self.getParameterValue(self.STYLE) | ||
with open(style) as f: | ||
xml = "".join(f.readlines()) | ||
d = QDomDocument(); | ||
d.setContent(xml); | ||
n = d.firstChild(); | ||
layer.readSymbology(n, '') | ||
self.setOutputValue(self.OUTPUT, filename) | ||
iface.mapCanvas().refresh() | ||
iface.legendInterface().refreshLayerSymbology(layer) |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,63 @@ | ||
# -*- coding: utf-8 -*- | ||
|
||
""" | ||
*************************************************************************** | ||
SelectByLocation.py | ||
--------------------- | ||
Date : August 2012 | ||
Copyright : (C) 2012 by Victor Olaya | ||
Email : volayaf at gmail dot com | ||
*************************************************************************** | ||
* * | ||
* This program is free software; you can redistribute it and/or modify * | ||
* it under the terms of the GNU General Public License as published by * | ||
* the Free Software Foundation; either version 2 of the License, or * | ||
* (at your option) any later version. * | ||
* * | ||
*************************************************************************** | ||
""" | ||
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||
__author__ = 'Victor Olaya' | ||
__date__ = 'August 2012' | ||
__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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from PyQt4.QtCore import * | ||
from qgis.core import * | ||
from processing.core.GeoAlgorithm import GeoAlgorithm | ||
from processing.parameters.ParameterVector import ParameterVector | ||
from processing.outputs.OutputVector import OutputVector | ||
from processing.parameters.ParameterFile import ParameterFile | ||
from processing.tools import dataobjects | ||
from qgis.utils import iface | ||
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class SetVectorStyle(GeoAlgorithm): | ||
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INPUT = 'INPUT' | ||
STYLE = 'STYLE' | ||
OUTPUT = 'OUTPUT' | ||
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def defineCharacteristics(self): | ||
self.allowOnlyOpenedLayers = True | ||
self.name = 'Set style for vector layer' | ||
self.group = 'Vector general tools' | ||
self.addParameter(ParameterVector(self.INPUT, 'Vector layer', | ||
[ParameterVector.VECTOR_TYPE_ANY])) | ||
self.addParameter(ParameterFile(self.STYLE, | ||
'Style file', False, False, 'qml')) | ||
self.addOutput(OutputVector(self.OUTPUT, 'Styled layer', True)) | ||
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def processAlgorithm(self, progress): | ||
filename = self.getParameterValue(self.INPUT) | ||
layer = dataobjects.getObjectFromUri(filename) | ||
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style = self.getParameterValue(self.STYLE) | ||
layer.loadNamedStyle(style) | ||
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self.setOutputValue(self.OUTPUT, filename) | ||
iface.mapCanvas().refresh() | ||
iface.legendInterface().refreshLayerSymbology(layer) |