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Need a library / app to travel in the distance I can talk to

We need to calculate the driving distances for the records in the SQL Server database, so I need to find some library or program that will allow me to do this without an Internet connection (if it has its own database, fine, if not, I know where to get the data). I'm not too worried about the types of calculations right now, we are probably going to go with Djikstra, but we just need something offline. In addition, I will deal with several countries, although mainly with the United States.

So far I have not found anything that could work reliably, the closest MapPoint (per Marc Gravell), so I want to ask what stand-alone solutions are available to connect, call or work next to my code (Delphi and .NET) for calculating driving range? Thanks.

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Well, after hibernating, I found a solution using Google to search for "vehicle routing software." So far, I have found three options that look as if they can work, and will explore them. These are PCMiler from ALK Technologies, Telogis Developer Tools, and DNA Evolutions JOpt.NET. There are many more companies to check out developer tools on this search phrase. I think my main problem was that I used "Driving Time" and "Route Distance" as my searches yesterday.

Edit: what I'm looking for, Telogis seems to have the most comprehensive feature set.

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Options:

  • For a reasonable number of places, you can get (buy, calculate, etc.) a displacement matrix between all locations - it will turn out to be large with an increase in the number, although
  • If you have a lat / long for each, you can make a large arc quite easily; but, as a rule, it becomes erratic near lakes, oceans, etc.
  • You can use a standalone one such as the MapPoint desktop, possibly keeping a queue of unknown routes and handling those outside of db
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Please check http://www.routeware.dk for RW Net. Developed using Delphi and can use TIGER for stand-alone computing. Very fast for large-scale matrix calculations.

btw: The best forum for such questions is https://gis.stackexchange.com/

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Source: https://habr.com/ru/post/1346989/

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