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[feature] Adapted k-neighbour concave hull plugin as QGIS 3 algorithm
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Co-authored-by: Detlev Neumann <>
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rudivs and detlevn committed Aug 15, 2018
1 parent 6fcc162 commit 52ccc43
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Showing 4 changed files with 716 additions and 2 deletions.
164 changes: 164 additions & 0 deletions images/themes/default/algorithms/mAlgorithmKNearestConcaveHull.svg
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4 changes: 2 additions & 2 deletions python/plugins/processing/algs/qgis/
Expand Up @@ -69,13 +69,13 @@ def initAlgorithm(self, config=None):
self.addParameter(QgsProcessingParameterBoolean(self.NO_MULTIGEOMETRY,'Split multipart geometry into singleparts geometries'), defaultValue=False))

self.addParameter(QgsProcessingParameterFeatureSink(self.OUTPUT,'Concave hull'), type=QgsProcessing.TypeVectorPolygon))
self.addParameter(QgsProcessingParameterFeatureSink(self.OUTPUT,'Output layer'), type=QgsProcessing.TypeVectorPolygon))

def name(self):
return 'concavehull'

def displayName(self):
return'Concave hull')
return'Concave hull (using alpha shapes algorithm)')

def processAlgorithm(self, parameters, context, feedback):
layer = self.parameterAsSource(parameters, ConcaveHull.INPUT, context)
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