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2017-03-16 12:30:26 +02:00
##Centroids=name
##Geometry=group
##INPUT_LAYER=vector
##OUTPUT_LAYER=output vector
from qgis.core import QgsWkbTypes, QgsGeometry
from processing.tools.vector import VectorWriter
from processing.tools import dataobjects
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layer = dataobjects.getLayerFromString(INPUT_LAYER)
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fields = layer.fields()
writer = VectorWriter(OUTPUT_LAYER, 'utf-8', fields, QgsWkbTypes.Point, layer.crs())
features = processing.features(layer)
count = len(features)
if count == 0:
raise GeoAlgorithmExecutionException('Input layer contains no features.')
total = 100.0 / len(features)
for count, f in enumerate(features):
outputFeature = f
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if f.hasGeometry():
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outputGeometry = f.geometry().centroid()
outputFeature.setGeometry(outputGeometry)
writer.addFeature(outputFeature)
feedback.setProgress(int(count * total))