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65 lines
2.5 KiB
Python
65 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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SaveSelectedFeatures.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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from processing.core.GeoAlgorithm import GeoAlgorithm
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from processing.core.parameters import ParameterVector
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from processing.core.outputs import OutputVector
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from processing.tools import dataobjects, vector
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class SaveSelectedFeatures(GeoAlgorithm):
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OUTPUT_LAYER = 'OUTPUT_LAYER'
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INPUT_LAYER = 'INPUT_LAYER'
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def defineCharacteristics(self):
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self.name, self.i18n_name = self.trAlgorithm('Save selected features')
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self.group, self.i18n_group = self.trAlgorithm('Vector general tools')
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self.addParameter(ParameterVector(self.INPUT_LAYER,
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self.tr('Input layer'), [ParameterVector.VECTOR_TYPE_ANY], False))
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self.addOutput(OutputVector(self.OUTPUT_LAYER,
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self.tr('Selection')))
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def processAlgorithm(self, progress):
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inputFilename = self.getParameterValue(self.INPUT_LAYER)
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output = self.getOutputFromName(self.OUTPUT_LAYER)
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vectorLayer = dataobjects.getObjectFromUri(inputFilename)
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provider = vectorLayer.dataProvider()
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writer = output.getVectorWriter(provider.fields(),
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provider.geometryType(), vectorLayer.crs())
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features = vector.features(vectorLayer)
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total = len(features)
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for (i, feat) in enumerate(features):
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writer.addFeature(feat)
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progress.setPercentage(100 * i / float(total))
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del writer
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