GVU Technical Report Number:
GIT-GVU-96-29
Title:
The 3D Revolution: CAD Access for All!
Authors:
Jarek Rossignac
Abstract:
The manufacturing industry has invested vast amounts of resources in the
deployment and use of solid modeling technology. Although expensive to
generate and potentially very valuable in many product related activities,
3D models have rarely been exploited to support product management,
documentation, collaborative review, and promotion, because they were only
accessible to trained designers equipped with expensive graphics
workstations. Intranet access, popular 3D exchange formats, and affordable
3D graphics chips permit to download and view 3D models using a personal
computer. Although these basic capabilities are revolutionizing the
entertainment and marketing industry and have reduced the cost of a design
station, they are of little help to non-designers in the manufacturing
industry. The author articulates a vision where 3D data is available and
exploited at all phases of a product life cycle. The paper investigates the
shortcomings of the current technology, identifies the fundamental research
issues, and reviews recent advances in 3D data compression, in the
automatic generation of levels-of-detail for interactive rendering, and in
the innovative exploitation of 3D input devices for an intuitive and
effective navigation.
Keywords:
Computer-aided design, graphics, geometric compression, 3D compression,
geometric simplification, 3D navigation, 3D input device
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