Publication:
Mounting human entities to control and interact with networked ship entities in a virtual environment

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Authors
Stewart, Bryan Christopher
Subjects
NPSNET
DIS
Real time
3D
Visual simulation
Network
Distributed
Performer
Interactive
Virtual world
PVS
Potentially visible sets
Terrain database
Voice recognition
Mounting humans entities
Advisors
Zyda, Michael J.
Falby, John S.
Date of Issue
1996-03
Date
March 1996
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
This thesis research addresses the problem of mounting human entities to other non-human entities in the virtual environment. Previous human entities were exercised as individual entities in the virtual environment. Yet there are many applications (i.e. shipboard damage control, amphibious landings, helicopter vertical assaults) where human entities need to mount other vehicles within the virtual environment. The approach taken was to re-engineer the Naval Postgraduate School's Shiphandling Training Simulator (SHIPSIM) and Damage Control Virtual Environment Trainer (DC VET) onto a common virtual environment system (NPSNET). Using a modified potentially visible set algorithm, a ship hydrodynamics model, and a simple data PDU network packet, NPSNET human entities were given the capability to mount ship vehicles. Additionally, a control panel and voice recognition were added to allow the human entities to control and maneuver the ship vehicles in the virtual environment. As a result of this thesis, NPSNET human entities can mount ship vehicles, move about the ship, and interact with the ship's internal objects (i.e doors, valves, etc.) all while the ship moves within the virtual environment. This technology opens a new paradigm for simulation designers, where users of virtual environment systems can participate as human entities and interact (i.e. mount, control, and maneuver) with other inanimate vehicles as we do in the real world.
Type
Thesis
Description
Series/Report No
Department
Department of Computer Science
Other Units
Naval Postgraduate School
Identifiers
NPS Report Number
Sponsors
Funder
Format
77 p.
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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