@inproceedings{Doellner:2003:RTE,
opteditor = {},
author = {J{\"u}rgen D{\"o}llner and Maike Walther},
optkey = {},
optseries = {},
url = {http://dx.doi.org/10.1109/IV.2003.1217986},
optpublisher = {},
localfile = {papers/Doellner.2003.RTE.pdf},
address = {Los Alamitos},
organization = {IEEE Computer Society},
doi = {http://doi.ieeecomputersociety.org/10.1109/IV.2003.1217986},
optmonth = {},
optdoi = {},
optwww = {},
optcrossref = {},
booktitle = {Proceedings of Seventh International Conference on Information
Visualization},
optstatus = {},
optvolume = {},
optnumber = {},
title = {{R}eal-{T}ime {E}xpressive {R}endering of {C}ity {M}odels},
abstract = {City models have become central elements for visually
communicating spatial information related to urban areas and have
manifold applications. Our real-time non-photorealistic rendering
technique aims at abstract, comprehensible, and vivid drawings of
assemblies of polygonal 3D urban objects. It takes into account
related principles in cartography, cognition, and
non-photorealism. Technically, the geometry of a building is
rendered using expressive line drawings to enhance the edges,
two-tone or three-tone shading to draw the faces, and simulated
shadows. The edge enhancement offers several degrees of freedom,
such as interactively changing the style, width, tilt, color,
transparency, and length of the strokes. Traditional drawings of
cities and panoramas inspired the tone shading that achieves a
pleasing visual color effect. The rendering technique can be
applied not only to city models but to polygonal shapes in
general.},
year = {2003},
pages = {245--252},
}
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