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pep8 --ignore=E111,E128,E201,E202,E203,E211,E221,E222,E225,E226,E227,E231,E241,E261,E265,E272,E302,E303,E501,E701 \
--exclude="ui_*.py,debian/*,python/ext-libs/*" \
.
110 lines
3.9 KiB
Python
110 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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Gridify.py
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---------------------
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Date : May 2010
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Copyright : (C) 2010 by Michael Minn
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Email : pyqgis at michaelminn 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__ = 'Michael Minn'
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__date__ = 'May 2010'
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__copyright__ = '(C) 2010, Michael Minn'
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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.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
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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 Merge(GeoAlgorithm):
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LAYER1 = 'LAYER1'
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LAYER2 = 'LAYER2'
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OUTPUT = 'OUTPUT'
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def defineCharacteristics(self):
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self.name = 'Merge vector layers'
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self.group = 'Vector general tools'
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self.addParameter(ParameterVector(self.LAYER1,
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self.tr('Input layer 1'), [ParameterVector.VECTOR_TYPE_ANY]))
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self.addParameter(ParameterVector(self.LAYER2,
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self.tr('Input layer 2'), [ParameterVector.VECTOR_TYPE_ANY]))
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self.addOutput(OutputVector(self.OUTPUT, self.tr('Output')))
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def processAlgorithm(self, progress):
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layer1 = dataobjects.getObjectFromUri(
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self.getParameterValue(self.LAYER1))
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layer2 = dataobjects.getObjectFromUri(
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self.getParameterValue(self.LAYER2))
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if layer1.wkbType() != layer2.wkbType():
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raise GeoAlgorithmExecutionException(
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self.tr('Merged layers must have be same type of geometry'))
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count = 0
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fields = []
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layers = [layer1, layer2]
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for layer in layers:
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count += layer.featureCount()
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for sfield in layer.pendingFields():
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found = None
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for dfield in fields:
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if dfield.name() == sfield.name() and \
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dfield.type() == sfield.type():
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found = dfield
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break
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if not found:
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fields.append(sfield)
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writer = self.getOutputFromName(self.OUTPUT).getVectorWriter(
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fields, layer1.wkbType(), layer1.crs())
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total = 100.0 / float(count)
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count = 0
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for layer in layers:
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idx = {}
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for dfield in fields:
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i = 0
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for sfield in layer.pendingFields():
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if sfield.name() == dfield.name() and \
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sfield.type() == dfield.type():
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idx[dfield] = i
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break
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i += 1
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features = vector.features(layer)
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for f in features:
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sAttributes = f.attributes()
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dAttributes = []
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for dfield in fields:
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if dfield in idx:
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dAttributes.append(sAttributes[idx[dfield]])
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else:
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dAttributes.append(dfield.type())
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f.setAttributes(dAttributes)
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writer.addFeature(f)
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count += 1
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progress.setPercentage(int(count * total))
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del writer
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