Dissolve
Merges adjacent or overlapping parts to remove internal borders, often producing a cleaner outline.
Category: Operations
Definition (expanded)
Dissolve is often used to turn many parcel polygons into a single outline. It is similar to union but usually described as removing internal boundaries within a set or within a MultiPolygon.
Related terms
UnionAn operation that merges overlapping or adjacent polygons into one combined geometry.MultiPolygonA geometry containing multiple polygons (parts), each with its own exterior ring and optional holes.Sliver polygonA very thin polygon artifact produced by overlay operations, snapping, or mismatched boundaries.