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3D-byggnadsmodeller utifrån takkonstruktioner: Lagring, hantering och bearbetning
Karlstad University, Faculty of Social and Life Sciences, Department of Geography and Tourism.
2013 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

A growing number of cities and municipalities in Sweden begin to work with city models in 3D. For the most part the models are used for visualizations of ongoing planning processes, but also for the analysis of noise, shadow studies and environmental disaster simulations.

Gothenburg continues to develop the use of 3D maps in municipal operations and is demanding a way to create building elements (walls), which generates in 3D buildings, from roof constructions that are mapped from the primary map. A method has been investigated in the present study. The results are then presented as a 3D model of buildings, along with a terrain map that will facilitate the localization of the area. The created 3D buildings are then compared with roof-data from the primary map to see how well they harmonize with each other. Then also the handling and storage of three-dimensional data with the information model CityGML is investigated. A specification of the requirements and characteristics that the customer, the City Planning in Gothenburg, looks are essential for building modeling in 3D has also been established.

The final result shows of 4% increase in the plane of 3D buildings compared to primary map. The increase would be slightly greater if the comparison is made on the volume instead. The results also revealed that the increase in plan is something that has occurred during the creation of the roof constructions, which was something that I couldn’t have affected during the work. The results also show that the CityGML is an appropriate information model for storage and handling of 3D. Gothenburg still have insufficient knowledge of CityGML, which is also one of the reasons why the information model hasn’t been implemented in the municipality work with 3D models.

Place, publisher, year, edition, pages
2013. , 54 p.
Keyword [sv]
GIS, 3D, CityGML, 3D-byggnadsmodell
National Category
Engineering and Technology
URN: urn:nbn:se:kau:diva-28152Local ID: NG:1OAI: diva2:631835
Subject / course
Geographic Information Systems, Bachelor of Science
Educational program
Geographic Information Systems Engineering, 180 hp
2013-06-04, 3B424, Karlstad, 07:58 (Swedish)
Available from: 2013-07-04 Created: 2013-06-24 Last updated: 2013-07-04Bibliographically approved

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