Graph Layout Toolkit


Tom Sawyer Software's Graph Layout Toolkit is a family of portable libraries that deliver an immediate face-lift to graphics applications with their sophisticated layout algorithms. The Graph Layout Toolkit libraries' logical representation of objects and connections allow end users to more easily see the underlying relationships within complicated data. The libraries also work in real time, rarely requiring more than a few seconds to produce quality output even for large graphs with several hundred nodes.

Four extensible C++ class libraries that include ANSI C API's make up the Graph Layout Toolkit family: the Circular, Hierarchical, Orthogonal and Symmetric Layout Libraries. All libraries share a common foundation.

Supported Environments

The Graph Layout Toolkit libraries operate with most major operating systems, compilers, and GUI Tool Kits. Support is also provided for the ANSI C compiler designed to work with these C++ compilers listed below:

  • OS/2 Warp: IBM Visual Age for C++, Symantec C++, Borland C++
  • IBM RS/6000: IBM C++
  • Sun SPARCstation:
  • SunOS 4.1.x: Sun C++, GNU C++, CenterLine C++
  • Solaris 2.x: Sun C++, GNU C++, CenterLine C++
  • HP 9000: HP C++, GNU C++
  • SGI Iris: SGI C++
  • NeXT: NeXT C++
  • DEC OSF/1: DEC C++
  • MS Windows (3.x, '95, NT):
  • Borland C++, IBM Visual Age C++, MS Visual Age C++, Symantec C++, Watcom C++
  • Macintosh (68K System 6.x, System 7.x):
  • Symantec C++, Apple MPW C++, Metrowerks C/C++, Symantec Think C
  • For More Information Contact:

    Tom Sawyer Software
    804 Hearst Avenue
    Berkeley, CA 94710-1911
    Phone: 1-510-848-0853
    FAX: 1-510-848-0854
    E-mail: info@TomSawyer.com
    Web: http://www.TomSawyer.com


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