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View-dependent simplification of arbitrary polygonal environments

Luebke, David, Erikson, Carl·1997·Proceedings of the 24th annual conference on Computer graphics and interactive techniques - SIGGRAPH '97

Abstract

Hierarchical dynamic simplification (HDS) is a new approach to the problem of simplifying arbitrary polygonal environments. HDS operates dynamically, retessellating the scene continuously as the user's viewing position shifts, and adaptively processing the entire database without first decomposing the environment into individual objects. The resulting system allows real-time display of very complex polygonal CAD models consisting of thousands of parts and hundreds of thousands of polygons. HDS supports various preprocessing algorithms and various run-time criteria, providing a general framework for dynamic view-dependent simplification. Briefly, HDS works by clustering vertices together in a hierarchical fashion. The simplification process continuously queries this hierarchy to generate a scene containing only those polygons that are important from the current viewpoint. When the volume of space associated with a vertex cluster occupies less than a user-specified amount of the screen, all vertices within that cluster are collapsed together and degenerate polygons filtered out. HDS maintains an active list of visible polygons for rendering. Since frame-to-frame movements typically involve small changes in viewpoint, and therefore modify the active list by only a few polygons, the method takes advantage of temporal coherence for greater speed.

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Metadata

Authors
Luebke, D., & Erikson, C.
Venue
Proceedings of the 24th annual conference on Computer graphics and interactive techniques - SIGGRAPH '97
Publisher
ACM Press
Published
1997
Pages
199-208
OpenAlex
W2043242530
Cited by
508
References
11
FWCI
19.03
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: View-dependent simplification of arbitrary polygonal environments. https://app.cochat.ai/papers/10.1145/258734.258847
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Luebke, D., & Erikson, C. (1997). View-dependent simplification of arbitrary polygonal environments. Proceedings of the 24th annual conference on Computer graphics and interactive techniques - SIGGRAPH '97. https://doi.org/10.1145/258734.258847

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