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- ************************************************************
- * *
- * W O R L D C I T Y *
- * D I S T A N C E C O M P U T E R *
- * *
- * WCD Version 1.1 *
- * *
- * (C)opyright 1987 *
- * All Rights Reserved *
- * *
- *==========================================================*
- * *
- * GeoGraphics Software *
- * 126 Mountain View Road *
- * Glastonbury, CT 06033 *
- * *
- *----------------------------------------------------------*
- * *
- * WCD is user-supported software provided to *
- * you at no charge on a trial basis. If you use this *
- * software and find it of value please register your *
- * copy for $15.00 and support the shareware concept. *
- * Registered users will be provided with information *
- * about program updates. Please make checks payable *
- * to G. K. Marek at the above address. *
- * *
- * You are encouraged to share this software with *
- * others provided that it is distributed complete *
- * with documentation and in unmodified form and *
- * that no fee or other consideration is charged or *
- * accepted. All commercial, business and government *
- * users must register each copy in use. *
- * *
- * We hope you enjoy using WCD. Your comments and *
- * suggestions to improve this product are always welcome. *
- * *
- * *
- * *
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- PROGRAM DESCRIPTION
-
- WCD, The World City Distance Computer, is designed to provide distance
- and travel time information between about 300 different world cities,
- including most major US cities. The program is windowed and menu
- driven, and basically self-explanatory.
-
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- HARDWARE REQUIREMENTS
-
- This program is designed for IBM Personal Computers and close
- compatibles. It will execute on the IBM-PC, PC-XT, and PC-jr. DOS
- Version 2.1 or later is required. Since the program relies extensively
- on color, a color monitor is recommended. The program will run,
- however, unmodified, on the Compaq. WCD requires about 45K of memory
- and does not require BASIC to operate.
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- PROGRAM INFORMATION
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- The program is started by issuing WCD at the DOS prompt.
-
- Menu instructions appear on the left and a window of city information
- appears on the right. Each city is identified by a three letter code
- which represents that city's airport code. Some cities have several
- airports. If the desired city code is known it can simply be entered at
- the keyboard. If the code is not known, the window on the right can be
- used to relate the codes to the respective cities. Use the scroll keys
- to search this window for the three letter code of the city desired.
- Pressing [Enter] will select the city highlighted in the window.
-
- The distances computed are based upon the "great circle distance"
- between the two cities, which can be thought of as the route described
- by a string pulled taut between the two cities on a globe. This
- represents the shortest distance between the two cities.
-
- The distances between cities are geographically correct; but, since
- prevailing winds are not taken into account, the flying distances
- between them (that is, equivalent distance "against" and "with" the
- wind) is not given. Thus the indicated flight time is based upon the
- grate circle distance and is the same in both directions.
-
- Your comments and suggestions for improvements are welcomed.
-
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