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[DW+03]  Real-Time Expressive Rendering of City Models

Doellner:2003:RTE (In proceedings)
Author(s)Döllner J. and Walther M.
Title« Real-Time Expressive Rendering of City Models »
InProceedings of Seventh International Conference on Information Visualization
Page(s)245--252
Year2003
OrganizationIEEE Computer Society
AddressLos Alamitos
URLhttp://dx.doi.org/10.1109/IV.2003.1217986

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.

BibTeX code
@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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