TMODEL2 contains the ability to display, use, and plot up to 3 graphic layers at a time. The graphic layers are in addition to the display of TMODEL2 link and node files. The use of layers has become a very powerful tool for not only displaying your model information but also for developing your model.
A geographically correct layer file makes a digitizer obsolete. The layer file can contain all of the geographic features right on screen that you need to develop your model. Features can include streets (by classification), water, rail, landmarks, and other boundaries. Links and nodes can be inserted directly over this information within the Network Graphic Editor. All of this can be displayed on screen and plotted.
To help you with your efforts, TModel Corporation has pre-processed files derived from the U.S. Census Bureau TIGER94 files. Each group of county layer files contains an individual layer file for:
| County Boundaries | Interstates and Freeways |
| Tract Boundaries | Arterial Roads |
| Block Group Boundaries | Collector Roads |
| MCD/CCD (Township) Boundaries | Other Roads |
| Place (City) Boundaries | Railroads and Airports |
| Water (Oceans, lakes, streams, etc.) | Landmark Boundaries (sometimes parks, airports, large lakes, etc.) |
Each layer file uses its own color to help you distinguish the features. There are a total of 12 individual layer files that you can combine and use as you wish. In fact, we have combined the most common groupings into four files that we typically use. This gives you a total of 16 layer files per county.
These files are available now. To start using this terrific tool, follow the order link above, print and fill out the form, and mail it or fax it to us, or call us at 1-800-T2MODEL today.
24505 Dockton Rd. SW
P.O. Box 1805 Vashon, WA 98070-1850
(800) T2MODEL or (206) 463-3768;
Fax (800) T2MODLR or (206) 463-5055
tmodel@tmodel.com
or http://www.tmodel.com
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TGAP, NCAP and TMODEL2 are trademarks of TMODEL Corporation. Prices are subject to change without notice.