Geoinformation Science at the University of Potsdam

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1 Geoinformation Science at the University of Potsdam Prof. Dr. Jürgen J DöllnerD Prof. Dr. Hartmut Asche

2 Overview University of Potsdam Department with Focus on Geoscience Hasso-Plattner-Institut -Computer Graphics & Visualization- Department of Geography -Geoinformatics- Research Group 3D Geoinformation 3D Computer Graphics 3D Visualization Geovisualization Service-Based Architectures Web Services Cartography GIS 3D Geodata Modeling Geodata Integration 3D Atlases and Maps Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 2

3 Research Topics 3D Geoinformation - Ontology, concepts,, and implementations of 3D city models - 3D geodata processing and modeling - 3D geodata transformation, enhancement,, and integration - 3D geovisualization rendering techniques and cartographic concepts - 3D geovisualization interaction techniques - 3D geodata distribution and dissemination Geoinformation Systems - Service-oriented system architectures - 3D geodata infrastructure components - 3D geodata web services Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 3

4 Research Topics 3D Rendering of Geovirtual Environments - Algorithms that allow users to explore and navigate within complex 3D city models in real-time - Unlimited amount of geometry data - Unlimited amount of texture data - Photorealistic presentation - Nonphotorealistic presentation Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 4

5 Research Topics 3D Rendering of Geovirtual Environments - Example: Spatial Texture Atlases Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 5

6 Research Topics 3D Rendering of Geovirtual Environments - Example: Advanced real-time illumination techniques Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 6

7 Research Topics 3D Rendering of Geovirtual Environments - Example: Advanced real-time illumination techniques Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 7

8 Research Topics 3D Rendering of Geovirtual Environments - Example: Advanced real-time illumination techniques Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 8

9 Research Topics 3D Rendering of Geovirtual Environments - Example: Advanced real-time illumination techniques Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 9

10 Research Topics 3D Rendering of Geovirtual Environments - Example: Advanced real-time visibility analysis techniques Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 10

11 Research Topics 3D Rendering of Geovirtual Environments - Example: Advanced real-time visibility analysis techniques Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 11

12 Research Topics 3D Rendering of Geovirtual Environments - Example: Advanced real-time visibility analysis techniques Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 12

13 Research Topics 3D Rendering of Geovirtual Environments - Example: Non-photorealistic 3D rendering techniques for illustrative maps Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 13

14 Research Topics 3D Rendering of Geovirtual Environments - Example -photorealistic 3D rendering techniques Example:: Non Non-photorealistic for illustrative maps Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 14

15 Research Topics 3D Modeling of Geovirtual Environments - Algorithms that enable automated/semi-automated generation of complex 3D city models - mapping/converting 2D GIS data to 3D city models - transforming 3D data to 3D city models SmartTerrain System, joint project Uni Potsdam (Prof. Döllner) & TU Berlin (Prof. Kleinschmit) Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 15

16 Research Topics 3D Geodata Processing and Integration - Algorithms that enable automated/semi-automated integration of geodata - Example: Frequency atlas Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 16

17 Projects Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 17

18 Projects Contribution to OWS-4: 3D-Viewer Client for CAD/GIS/BIM Data - Building a web-service based 3D viewer client that supports the ad-hoc creation of geovirtual environments - Support of diverse 2D & 3D data formats/services, including WMS and WFS (e.g.,., for CityGML) Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 18

19 Projects Real-Time CityGML Viewer and Editor - Real-time viewing, exploration,, and editing of complex CityGML models - Based on LandXplorer 3D geovisualization technology Joint project of HPI and 3D Geo Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 19

20 Projects Official 3D City Model of Berlin - Senate Departments of Economy and Urban Development together with the Business Location Center of Berlin, Berlin Partner GmbH - Building an integrated, managed, official, reliable 3D city model Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 20

21 Projects Official 3D City Model of Berlin - Snapshots Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 21

22 Projects Official 3D City Model of Berlin - Snapshots Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 22

23 Projects Official 3D City Model of Berlin - Snapshots Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 23

24 Projects Official 3D City Model of Berlin - Snapshots Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 24

25 Projects Official 3D City Model of Berlin - Principal System Components Digital Aerial Photos Digital Terrain Models Geo-referenced Thematic Data 3D Geodata Digital Architecure Models Cadastral Data 3D Authoring System 3D-Datenbank Geodata Web Services WMS, WFS, W3DS CityGML Converter 3D Geo-Database System 3D Presentation System CAD and 3D Editor & Tools Real-Time 3D City Model ALK Converter Temporary Models Virtual 3D City Model Geotainment & Digital Rights Management Berlin 3D City Model System Geodata Infrastructures Applications in Administration Geo-Based Entertainment Products Applications in Industry Gaming Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 25

26 Last Slide - Prof. Dr. Jürgen Döllner potsdam.de/3d doellner@hpi.uni-potsdam.de potsdam.de - Research Group 3D Geoinformation (funded by Federal Ministry of Education and Research, ) 2011) - CityGML Tools and Research Projects potsdam.de/~doellner/projekte - 3D Geo GmbH, a spin-off Company from the Hasso-Plattner-Institut Jürgen Döllner, Hartmut Asche: Geoscience at University of Potsdam 26