Interactive Visualization of Generalized Virtual 3D City Models using Level-of-Abstraction Transitions

Virtual 3D city models play an important role in the communication of complex geospatial information in a growing number of applications, such as urban planning, navigation, tourist information, and disaster management. In general, homogeneous graphic styles are used for visualization. For instance,...

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Veröffentlicht in:Computer graphics forum Jg. 31; H. 3pt1; S. 885 - 894
Hauptverfasser: Semmo, Amir, Trapp, Matthias, Kyprianidis, Jan Eric, Döllner, Jürgen
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Oxford, UK Blackwell Publishing Ltd 01.06.2012
Schlagworte:
3-D technology
Analysis
Computer graphics
Dynamical systems
I.3.3 [Computer Graphics]: Picture/Image Generation-Viewing algorithms
I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism
Image processing systems
Interactive
Mathematical models
Navigation
Studies
Tasks
Three dimensional
Three dimensional models
Visualization
ISSN:0167-7055, 1467-8659
Online-Zugang:Volltext
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Zusammenfassung:Virtual 3D city models play an important role in the communication of complex geospatial information in a growing number of applications, such as urban planning, navigation, tourist information, and disaster management. In general, homogeneous graphic styles are used for visualization. For instance, photorealism is suitable for detailed presentations, and non‐photorealism or stylization is used to facilitate guidance of a viewer's gaze to prioritized information. However, to adapt visualization to different contexts and contents and to support saliency‐guided visualization based on user interaction or dynamically changing thematic information, a combination of different graphic styles is necessary. Design and implementation of such combined graphic styles pose a number of challenges, specifically from the perspective of real‐time 3D visualization. In this paper, the authors present a concept and an implementation of a system that enables different presentation styles, their seamless integration within a single view, and parametrized transitions between them, which are defined according to tasks, camera view, and image resolution. The paper outlines potential usage scenarios and application fields together with a performance evaluation of the implementation.
Bibliographie:ark:/67375/WNG-TGR77V1N-8
istex:DC885EC3CDBC38D13C352757A18DE7BF5265F06A
ArticleID:CGF3081
http://www.hpi3d.de
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ISSN:0167-7055
1467-8659
DOI:10.1111/j.1467-8659.2012.03081.x