At this stage, we have a complete implementation of the DISTAL system that works as advertised: a user can choose a country, enter a search radius in miles, click on a starting point, and see a high-resolution map showing all the place names within the desired search radius. We have solved the distance problem, and have all the data needed to search for place names anywhere in the world.
Of course, we aren't finished yet. There are several areas where our DISTAL application doesn't work as it should, including the following:
Let's take a look at each of these issues, and see how we could improve our design and implementation of the DISTAL system.
If you explore the DISTAL application, ...