“The Topographic Landscape Model
(TLM) contains Topographic Core Data in a cognitive and
understandable order. They represent the natural and civilised reality in the sense of an inventory
which provides an inference to reality.“ [Voser 2001]
Topography - Reality - Cognition
Behind a topographical landscape model, there is a data model describing the geometric
thematic semantics of the topographic (3D)-data.