Real-Time Rendering of Globally Illuminated Soft Glossy Scenes With Directional Light Maps

Information

  • Publication Type: Technical Report
  • Workgroup(s)/Project(s): not specified
  • Date: March 2002
  • Number: TR-186-2-02-05
  • Keywords: light map, hardware acceleration, interactive walkthrough, glossy surface, global illumination, real-time rendering

Abstract

Directional light maps allow to display globally illuminated static scenes with soft glossy surfaces at interactive frame-rates. They store the spatially and directionally varying incoming light at a surface in form of textures for a global set of incoming light directions. The directional light maps can be generated in a photon tracing preprocessing step. During a walkthrough they are used to render the globally illuminated surfaces with graphics hardware.

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BibTeX

@techreport{Hey-2001-Imp,
  title =      "Real-Time Rendering of Globally Illuminated Soft Glossy
               Scenes With Directional Light Maps",
  author =     "Heinrich Hey and Werner Purgathofer",
  year =       "2002",
  abstract =   "Directional light maps allow to display globally illuminated
               static scenes with soft glossy surfaces at interactive
               frame-rates. They store the spatially and directionally
               varying incoming light at a surface in form of textures for
               a global set of incoming light directions. The directional
               light maps can be generated in a photon tracing
               preprocessing step. During a walkthrough they are used to
               render the globally illuminated surfaces with graphics
               hardware.",
  month =      mar,
  number =     "TR-186-2-02-05",
  address =    "Favoritenstrasse 9-11/E193-02, A-1040 Vienna, Austria",
  institution = "Institute of Computer Graphics and Algorithms, Vienna
               University of Technology ",
  note =       "human contact: technical-report@cg.tuwien.ac.at",
  keywords =   "light map, hardware acceleration, interactive walkthrough,
               glossy surface, global illumination, real-time rendering",
  URL =        "/research/publications/2002/Hey-2001-Imp/",
}