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vtk-m/docs/changelog/connected-components.md

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Add connected component worklets and filters

We have added the ImageConnectivity and CellSetConnectivity worklets and the corresponding filters to identify connected components in DataSet. The ImageConnectivity identify connected components in CellSetStructured, based on same field value of neighboring cells and the CellSetConnective identify connected components based on cell connectivity. Currently Moore neighborhood (i.e. 8 neighboring pixels for 2D and 27 neighboring pixels for 3D) is used for ImageConnectivity. For CellSetConnectivity, neighborhood is defined as cells sharing a common edge.