GVU Technical Report Number:
GIT-GVU-96-13
Title:
Organizational Hierarchies for Real-Time, 4D Visualizations
Authors:
Jacques Haus
Gregory Newton
William Ribarsky
Nick Faust
Larry Hodges
Gregory Turner
Abstract:
This paper describes a 4D object hierarchy that is appropriate for the
immense amount of time-dependent, 3D data associated with large scale
simulations or information spaces. An organizational hierarchy approach
is developed that can also handle elements not contained in the
organization. Using this flexible approach, even complex scenarios with
constantly moving, changing objects can be displayed and explored in
real-time with minimal clutter. The user may also move objects around by
direct manipulation, define paths, create or delete hierarchical
elements, and make other interactions. To strengthen the capacity for
distributed simulations and for using sensor information from multiple
sources, DIS capability has been integrated with this approach for
dynamic updates of position, direction and speed, and hierarchical
structure. The paper will discuss how the techniques used here can be
applied to widely different organizational structures.
Keywords:
GIS, 3-D visualization, symbology, virtual reality, unit visualization,
real-time
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