DHPC Technical Report DHPC-043
Interactive Viewing of 3D Terrain Models using VRML
Alvin Leung and Paul Coddington
Archived: 2 April 1998
Published in
Web Technologies and Applications,
Proc. of the Asia Pacific Web Conference (APWeb'98),
Beijing, September 1998, eds. Y. Yang et al.,
(International Academic Publishers, 1998).
Abstract
Many applications, including 3D Geographic Information Systems (GIS)
and flight simulation, rely on 3D terrain models.
A system that supports these applications should ideally provide real-time
interactive rendering of section of a large set of terrain data that may
be accessed remotely using a client/server system.
We present a Web-based system for interactive
3D terrain rendering using Virtual Reality Modeling Language (VRML),
a Web standard for presenting 3D virtual worlds.
We describe an implementation of a 3D terrain model in VRML 1.0,
and a design for improving the implementation using the new features
available in VRML 2.0. We discuss the advantages and disadvantages of
VRML for constructing, accessing and visualizing 3D terrain models.
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