00985964

Component

https://doi.org/10.3141/1899-23

http://scholar.google.com...ouli&publication_year=2004

A project that uses a real-time web-based visualization approach for environmental modeling by integrating a geographic information system (GIS) with virtual reality modeling language and Java was explored. A new technique, the server push approach, is developed to push only up-to-date data from the remote server to the client and consequently reduce network traffic across the Internet. A fat client model is adopted to host the GIS environmental data model on the Internet. Online data hosting boosts interactivity, swift and transparent communication, user access, and cost-efficiency. These data can be analyzed online by using a GIS and the numerical functions embedded in Web3D-based Java applets. The spatially distributed GIS-based model used to generate data on catchment hydrology and runoff (the topography-based hydrological model; TOPMODEL) accepts incoming information and facilitates real-time simulation.

This paper appears in Transportation Research Record No. 1899, Driver and Vehicle Simulation, Human Performance, and Information Systems for Highways; Railroad Safety; and Visualization in Transportation.

00985941

English

p. 181-187

2004

Transportation Research Record

0309094917

Figures (6) ; References (7)

Drainage basins; Environmental design; Geographic information systems; Hydrology; Internet; Real time information; Runoff; Simulation; Virtual reality; Visualization

Design; Environment; Highways; Hydraulics and Hydrology; I20: Design and Planning of Transport Infrastructure

TRIS, TRB, ATRI

Feb 16 2005 12:00AM

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