GTRAF: The Netsim Graphics System

by Barbara Andrews, KLD Associates Inc, Huntington, Station, NY, USA,
Edward Lieberman, KLD Associates Inc, Huntington, Station, NY, USA,
Alberto Santiago, KLD Associates Inc, Huntington, Station, NY, USA,

Document Type: Proceeding Paper

Part of: Microcomputer Applications in Transportation II


This paper describes the development of an interactive computer graphics (ICG) system, named GTRAF, which will provide users with a new and highly efficient methodology for analyzing results generated by the NETSIM microscopic traffic simulation program. This tool may be executed on microcomputers (i. e. , PC's) with graphics capabilities or on any larger computer which supports Fortran and graphics. Portability of the software is assured through the adherence to ANSI Fortran and the Graphics Kernel System (GKS) standard. Following a discussion outlining the need for, and utility of, ICG systems for the traffic engineering profession, this paper outlines the concepts and objectives guiding the design of GTRAF and describes its logical structure.

Subject Headings: Computer software | Graphic methods | Traffic analysis | Traffic surveys | Traffic models | Traffic engineering | Simulation models | Computer analysis

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