Visibility preprocessing for interactive walkthroughs

  title={Visibility preprocessing for interactive walkthroughs},
  author={S. Teller and C. S{\'e}quin},
  journal={Proceedings of the 18th annual conference on Computer graphics and interactive techniques},
  • S. Teller, C. Séquin
  • Published 1991
  • Mathematics, Computer Science
  • Proceedings of the 18th annual conference on Computer graphics and interactive techniques
  • The number of polygons comprising interesting architectural models is many more than can be rendered at interactive frame rates. However, due to occlusion by opaque surfaces (e.g., walls), only a small fraction of a typical model is visible from most viewpoints.We describe a method of visibility preprocessing that is efficient and effective for axis-aligned or axial architectural models. A model is subdivided into rectangular cells whose boundaries coincide with major opaque surfaces. Non… CONTINUE READING
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