Real-time bump map synthesis

  • Authors:
  • Jan Kautz;Wolfgang Heidrich;Hans-Peter Seidel

  • Affiliations:
  • Max-Planck-Institut für Informatik, Stuhlsatzenhausweg 85, 66123 Saarbrücken, Germany;University of British Columbia, Dept. of Computer Science, 3645 - 2424 Main Mall, Vancouver, BC, V6T 1Z4, Canada;Max-Planck-Institut für Informatik, Stuhlsatzenhausweg 85, 66123 Saarbrücken, Germany

  • Venue:
  • Proceedings of the ACM SIGGRAPH/EUROGRAPHICS workshop on Graphics hardware
  • Year:
  • 2001

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Abstract

In this paper we present a method that automatically synthesizes bump maps at arbitrary levels of detail in real-time. The only input data we require is a normal density function; the bump map is generated according to that function. It is also used to shade the generated bump map.The technique allows to infinitely zoom into the surface, because more (consistent) detail can be created on the fly. The shading of such a surface is consistent when displayed at different distances to the viewer (assuming that the surface structure is self-similar).The bump map generation and the shading algorithm can also be used separately.