Re-Engineering Based on Construction Drawings - From Ground Floor Plan to Product Model

Berkhahn, Volker; Kinkeldey, Christoph; Schleinkofer, Matthias

For the management or reorganisation of existing buildings, data concerning dimensions and construction are necessary. Often these data are given exclusively by paper-based drawings and no digital data such as a computer based product model or even a CAD-model are available. In order to perform mass calculation, damage mapping or a recalculation of the structure these drawings of the building under consideration have to be analysed manually by the engineer. This is a very time-consuming job. In order to close this gap between drawings of an existing building and a digital product model an approach is presented in this paper to digitise a drawing, to build up geometric and topologic models and to recognise construction parts of the building. Finally all recognised parts are transformed into a three-dimensional geometric model which provides all necessary geometric information for the product model. During this import process the semantics of a ground floor plan has to be converted into a 3D-model.

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Berkhahn, Volker / Kinkeldey, Christoph / Schleinkofer, Matthias: Re-Engineering Based on Construction Drawings - From Ground Floor Plan to Product Model. 2004.

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