Research and experience from real projects are showing that unified guidelines and standards should be defined for the successful use of BIM. One possible definition for the geometric and semantic information depth of digital models for building construction was provided by the BIMForum Level of Development (LOD) Specification. The geometric input is defined as Level of Geometry (LOG) and the semantic input is defined as attributes in this thesis. During this study a concept for description of geometric and semantic input of ship lock components is developed.
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