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Authors: Matthias Trapp ; Amir Semmo and Jürgen Döllner

Affiliation: University of Potsdam, Germany

Keyword(s): Transportation Networks, 3D Visualization, Image-based Rendering, Distance Fields, Shading, Map Design.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Graphical Interfaces ; Image-Based Rendering ; Interactive Environments ; Non-Photorealistic Rendering, Painting-Like Rendering, Drawing ; Real-Time Graphics ; Real-Time Rendering ; Rendering ; Rendering Algorithms ; Rendering Hardware

Abstract: Transportation networks, such as streets, railroads or metro systems, constitute primary elements in cartography for reckoning and navigation. In recent years, they have become an increasingly important part of 3D virtual environments for the interactive analysis and communication of complex hierarchical information, for example in routing, logistics optimization, and disaster management. A variety of rendering techniques have been proposed that deal with integrating transportation networks within these environments, but have so far neglected the many challenges of an interactive design process to adapt their spatial and thematic granularity (i.e., level-of-detail and level-of-abstraction) according to a user’s context. This paper presents an efficient real-time rendering technique for the view-dependent rendering of geometrically complex transportation networks within 3D virtual environments. Our technique is based on distance fields using deferred texturing that shifts the design p rocess to the shading stage for real-time stylization. We demonstrate and discuss our approach by means of street networks using cartographic design principles for context-aware stylization, including view-dependent scaling for clutter reduction, contour-lining to provide figure-ground, handling of street crossings via shading-based blending, and task-dependent colorization. Finally, we present potential usage scenarios and applications together with a performance evaluation of our implementation. (More)

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Paper citation in several formats:
Trapp, M.; Semmo, A. and Döllner, J. (2015). Interactive Rendering and Stylization of Transportation Networks using Distance Fields. In Proceedings of the 10th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2015) - GRAPP; ISBN 978-989-758-087-1; ISSN 2184-4321, SciTePress, pages 207-219. DOI: 10.5220/0005310502070219

@conference{grapp15,
author={Matthias Trapp. and Amir Semmo. and Jürgen Döllner.},
title={Interactive Rendering and Stylization of Transportation Networks using Distance Fields},
booktitle={Proceedings of the 10th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2015) - GRAPP},
year={2015},
pages={207-219},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005310502070219},
isbn={978-989-758-087-1},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 10th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2015) - GRAPP
TI - Interactive Rendering and Stylization of Transportation Networks using Distance Fields
SN - 978-989-758-087-1
IS - 2184-4321
AU - Trapp, M.
AU - Semmo, A.
AU - Döllner, J.
PY - 2015
SP - 207
EP - 219
DO - 10.5220/0005310502070219
PB - SciTePress