Readme.txt                              3/1/96
==========
  License and Copyright
  ==========================
  This program is copyrighted by Virginia Tech. It is distributed under
  the terms of the GNU GENERAL PUBLIC LICENSE, Version 1 --- contained
  in the file "copying.doc" --- as modified by the file "license.doc".
  Both files are distributed with this software.

  Copyright (C) 1991, 1992, 1993, 1994

  Files in this directory:
   migmodel_DECstation131.tar.Z    MigModel v1.3.1 distribution file.
   readme.txt      (this file) Description, installation instructions, and
                   hardware/software requirements of MigModel.

   * Be sure you switch to 'binary' mode before transferring these files to
  your system.  Simply type 'binary' at the ftp prompt.

  MigModel
  ========
  MigModel is a program that provides a student with the means to develop
  and explore models relating to migration.  The student selects factors
  that he or she thinks were significant to migration between counties of
  the United States during a decade.  The student can then compare his or
  her model with the actual migration that occurred during that period.

  Installation 
  =========
  This program is distributed as a 'tarred' and 'compress'ed archive 
  file.

     1) Locate the distribution files.
     2)  Uncompress the file migmodel_DECstation131.tar.Z:
                 type:     uncompress migmodel_DECstation131.tar   <return>
     3) Untar the file migmodel_DECstation131.tar
                 type:     tar -xvf migmodel_DECstation131.tar
   
   The programs files will be extracted under the subdirectory named
    intlpop that will be created under your current working directory.
 
  Running the Program
  =====================
      1) Change to the  directory to which it was installed
      2) Type:
	  migmodel &

  Requirements to Run MigModel 
  ======================================
    Hardware Requirements
    ---------------------
    - DECstation
    - Mouse
    - 4 MB Hard drive space.

    Software Requirements
    ---------------------
    - Ultrix version 4.x
    - X Windows

  Where to get help
  =================
  If you need help or for more information on Project GeoSim, contact:
        Dr. Cliff Shaffer
        Department of Computer Science
        Virginia Tech
        Blacksburg, VA 24061
        (703) 231-4354
        geosim@cs.vt.edu


  How to acquire GeoSim software
  ==============================
  GeoSim software, documentation, and sample classroom exercises are
  available free via anonymous FTP or Gopher from:

     geosim.cs.vt.edu

  Or via World Wide Web (Mosiac) with the following URL:

     http://geosim.cs.vt.edu

  You can contact us by email at:
     geosim@cs.vt.edu

  If you would like to be on our email list and receive news about
  updates and new programs, just send us an email message at the
  above address.

  If you do not have Internet access, write us to receive a price
  list for software on floppy diskette at:
      Project GeoSim
      Department of Computer Science
      Virginia Tech
      Blacksburg, VA 24061