Prof. Dr. Jürgen Döllner

Dr. Benjamin Hagedorn


Room:  H-2.25
Tel.: +49 (0)331 5509-3912
Fax: +49 (0)331 5509-172
Email: benjamin.hagedorn(at)hpi.uni-potsdam.de

Past Projects


High-Level Web Service for 3D Building Information Visualization and Analysis

Hagedorn, Benjamin; Döllner, Jürgen in 15th International Symposium on Advances in Geographic Information Systems (ACM GIS) Seite 1--8 . Seattle, WA , ACM Press , 2007 .

This paper presents an approach to visualize and analyze 3D building information models within virtual 3D city models. Building information models (BIMs) formalize and represent detailed information related to the lifecycle of buildings, e.g., information about composition, facilities, equipment, usage, maintenance, and workflows such as rescue scenarios. Complementary, virtual 3D city models represent objects and phenomena of urban areas, typically at a lower level of information detail, virtual 3D city models as a general framework and platform for spatial data allow us to seamlessly combine GIS and BIM data. In our approach, BIM data and 3D geodata, both provided by possibly distributed, heterogeneous web services, are efficiently integrated by the underlying real-time 3D geovisualization system. To facilitate insights into complex spatial scenarios, two configurable BIM-specific visualization techniques have been developed, which map BIM data onto 3D building graphics variables respectively geometrically distort 3D building representations. The visualization functionality can itself be accessed as a specialized web 3D perspective view service. We demonstrate our approach by a fire and rescue scenario for a part of a 3D campus model.
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Lecture Assistance

  • 2011/12: Master Seminar "Realtime Rendering Techniques"
  • 2011: Bachelor Project "Mobile 3D Apps"
  • 2011: Master Lecture "Geovisualization"
  • 2010: Bachelor Project "SOA-based 3D Geovisualization for Mobile Applications"
  • 2010: Master Seminar on Information and Geo Visualization, Master Seminar on Software Engineering for Visualization Systems
  • 2009/10: Master Seminar Visualization, Master Seminar on Service-oriented Computing
  • 2009: Bachelor Project "Smartboard-based User-Interface for 3D City Models"
  • 2008: Master Seminar "Visualization: Concepts and Methods"
  • 2007/08: Master Seminar "Visualization"
  • 2007: Master Lecture "Visualization", Master Seminar "Visualization"
  • 2006/07: Master Seminar "Visualization"
  • 2006: Bachelor Lecture "User Interfaces"
  • 2005/06: Bachelor Lecture "Fundamentals of Computer Graphics", Master Seminar "Visualization"

Supervised Master/Diploma Thesis

  • Visualization of Building Information Models - Concept and Implementation of 3D Visualization Techniques.
  • Navigation and Object Interaction in Virtual 3D City Models based on Sketches and Gestures
  • Acquisition, Processing, Provision, and Visualization of Indoor Tracking Data
  • Concepts and Techniques for Collaborative Virtual 3D City Models
  • Design and Implementation of a Virtual 3D City Model of Historic Potsdam