turf/org.maplibre.spatialk.turf.featureconversion/combine

combine

fun GeometryCollection<SingleGeometry>.combine(): GeometryCollection<MultiGeometry>(source)

Combines a GeometryCollection of Point, LineString, or Polygon features into MultiPoint, MultiLineString, or MultiPolygon features.

Rebuilds new multi-geometries from coordinates. The result does not keep bbox or GeometryCollection.foreignMembers.