Illumination in diverse codimensions

  • Authors:
  • David C. Banks

  • Affiliations:
  • Institute for Computer Applications in Science and Engineering

  • Venue:
  • SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
  • Year:
  • 1994

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Abstract

This paper considers an idealized subclass of surface reflectivities; namely a simple superposition of ideal diffuse and ideal specular, restricted to point light sources. The paper derives a model of diffuse and specular illumination in arbitrarily large dimensions, based on a few characteristics of material and light in 3-space. It describes how to adjust for the anomaly of excess brightness in large codimensions. If a surface is grooved or furry, it can be illuminated with a hybrid model that incorporates both the ID geometry (the grooves or fur) and the 2D geometry (the surface).