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36e276f993
Groups nearby points into a single rendered marker symbol. QgsPointDisplacementRenderer has been split into a new pure virtual QgsPointDistanceRenderer base class which handles the detection of clusters and grouping of points. The new cluster renderer reuses this base class to avoid code duplication. Additionally, some improvements have been made to the displacement renderer, specifically: - points are now assigned to the group which is "nearest" them, rather then just assigning them first group within the search distance. In some cases this was assigning features to a more distant cluster, resulting in less predictable cluster patterns - individual points are now correctly shown in their own selection state Lots of code cleanup + documentation too. Sponsored by: - Andreas Neumann - Qtibia Engineering (Tudor Barascu) - Karl-Magnus Jönsson - Geonesia (Nicolas Ponzo) - Plus numerous additional anonymous backers whose generous contributions are also highly valued!