TOWARDS AN INTEGRATION OF GIS AND BIM DATA: WHAT ARE THE GEOMETRIC AND TOPOLOGICAL ISSUES?

Arroyo Ohori, K.; Biljecki, F.; Diakité, A.; Krijnen, T.; Ledoux, H.; Stoter, J.

Geographic information and building information modelling both model buildings and infrastructure, but the way in which they are modelled is usually complimentary and BIM-GIS integration is widely considered as a way forward for both domains. For one, more detailed BIM data can feed more general GIS data and GIS data can provide the context that is necessary to BIM data. While previous studies have focused on the theoretical aspects of such an integration at a schema level, in this paper we focus on explaining the geometric and topological issues we have found while trying to develop software to realise such an integration in practice and at a data level. In our preliminary results, which are presented here, we have found that many issues for such an integration remain: handling the geometric and topological problems in BIM models, dealing with bad georeferencing and figuring out the best way to convert data between IFC and CityGML are all open issues.

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Arroyo Ohori, K. / Biljecki, F. / Diakité, A. / et al: TOWARDS AN INTEGRATION OF GIS AND BIM DATA: WHAT ARE THE GEOMETRIC AND TOPOLOGICAL ISSUES?. 2017. Copernicus Publications.

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