Conservation of attribute data during geometric upgrading of 3D models
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Existing models of Norwegian offshore platforms are generally incomplete and lack the accuracy needed to eliminate clashes between the existing parts on the platform and new systems, before construction. Laser scanning is today used to a growing extent to make models with the necessary accuracy and thus resolve clashes prior to construction. However these models only show the surface of the plant and do not have the non-visible attributes or intelligent information contained in the existing models of the platform. I will in this thesis present how the intelligent information from an existing as-built model can be assigned to a scan model, and thus replace the old and inaccurate as-built model used today during the design of new systems.