What is silver polygons?

Question

Utilisateur anonyme · Accepted Answer

It was a strange question because there is no such thing as silver polygons. Silver are only a results od digitizing errors which can be corrected by setting your snapping tolerance. For example, for two polygons sharing the same boundary, on can set the snap tolerance to either to snapp to a vertex or edge, but preferably snap to a vertex solve the problem accuratley.

Bali · Answer

Yes that was a actually a good question. Its actually a sliver not silver polygon and it a small, narrow, polygon feature that appears along the borders of polygons following the overlay of two or more geographic datasets. Sliver polygons may indicate topology problems with the source polygon features, or they may be a legitimate result of the overlay.

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