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Topological operations transparent for users

The topological operators defined in the spatial schemata of ISO and OGC for vector geometries can also be applied to raster geometries. This principle ability is investigated here for its semantic implications. From a user’s perspective, topological operators should be applicable to features in any representation and any resolution with a predictable behavior. The conditions and requirements for transparency are presented and discussed. At the end it becomes clear that topological interoperability is given across representational borders.