Curvature driven sampling of displacement maps

Authors:
Johannes Hirche;Alexander Ehlert
Affiliations:
WSI/GRIS University of Tübingen, Germany;WSI/GRIS University of Tübingen, Germany
Venue:
ACM SIGGRAPH 2002 conference abstracts and applications
Year:
2002

Citing 2
Cited 2

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Feature-Preserving Displacement Mapping With Graphics Processing Unit (GPU) Tessellation

Computer Graphics Forum

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Abstract

Displacement Mapping [Cook 1984] is commonly used in commercial rendering software for adding surface detail. In contrast to Bump Mapping not only the normal is perturbed, the surface is modified as well. A given point P on a surface is displaced to a new point P' in the direction of the surface normal of the point P, N scaled with the value stored in the Displacement Map: