Sorry..wrong button< The "KEY" to the programs I wrote, was the accuracy of the information I put into it. The down side was, streets are not "in line" We started a programming procedure built upon "a dream" of putting a color wheel on top of the the phsical image of the map. At this time of(1984/5/6)computer, all of this was unexplored territory. But if you can imagian two levels of information reffering to each other at the same time, you should be able to have a computer extremely accuratesly "route" any curves. It's a bit more complex than that, and I'm sure by now someones done it...just gotts find that guy. The program I used (and still do) is call 4th Dimension by Acius...It's a dream. I'm not a programmer, but it works magic for me. Gregory Fishe
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