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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, photorealism is suitable for detailed presentations, and non-photorealism or abstract 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, andVirtual 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 abstract 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.zeige mehrzeige weniger

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Metadaten
Verfasserangaben:Amir Semmo, Matthias TrappORCiDGND, Jan Eric Kyprianidis, Jürgen Roland Friedrich DöllnerORCiDGND
DOI:https://doi.org/10.1111/j.1467-8659.2012.03081.x
ISSN:0167-7055
Titel des übergeordneten Werks (Englisch):Computer graphics forum : journal of the European Association for Computer Graphics
Verlag:Wiley-Blackwell
Verlagsort:Hoboken
Publikationstyp:Wissenschaftlicher Artikel
Sprache:Englisch
Jahr der Erstveröffentlichung:2012
Erscheinungsjahr:2012
Datum der Freischaltung:26.03.2017
Band:31
Ausgabe:3
Seitenanzahl:10
Erste Seite:885
Letzte Seite:894
Organisationseinheiten:An-Institute / Hasso-Plattner-Institut für Digital Engineering gGmbH
Peer Review:Referiert
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