NPSNET: JANUS-3D Providing three-dimensional displays for a traditional combat model
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Authors
Walter, Jon Curtis
Warren, Patrick Theron
Subjects
Advisors
Zyda, Michael J.
Pratt, David R.
Date of Issue
1992-09
Date
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
This work involves integrating the Army's existing combat modeling tool, JANUS,
with the real-time three-dimensional graphics display offered by NPSNET. The
development of a portable software package that can create a three-dimensional virtual
world from any existing JANUS terrain database is explained. In addition, a scripting tool
capable of rendering JANUS scenarios previously executed in the traditional twodimensional
model is discussed. This replay capability allows the gamer/analyst the ability
to watch the three-dimensional battle unfold from any position on the battlefield. Lastly,
the implementation of a real-time, networked link from the two-dimensional JANUS model
to NPSNET is detailed. This link involves an Ethernet connection from a Sun workstation,
which houses the two-dimensional model, to a Silicon Graphics workstation used for
rendering the real-time three-dimensional simulation. The methodology used and
techniques developed are fully portable to any workstation with X-windows capability and
any graphics workstation equipped with the GL libraries. CPT Walter concentrated his efforts in the areas of translations of JANUS(A) files to
NPSNET file format and the networking of both JANUS(X) and NPSNET. CPT Warren's
primary focus was on generating three-dimensional terrain and the writing of JANUS(A)
scripts that NPSNET can read. Both CPT Walter and CPT Warren worked together to
create the tree and city canopies and other cultural features.
Type
Thesis
Description
Series/Report No
Department
Computer Science
Organization
Identifiers
NPS Report Number
Sponsors
Funder
Format
93 p.;28 cm.
Citation
Distribution Statement
Approved for public release; distribution is unlimited.