Discover BPS is a clever application that helps Boston parents find eligible schools for their children.
Once the user enters a Boston address into Discover BPS and the child's current grade a list of eligible schools is displayed. The schools can also be viewed on a Google Map. The map view allows the parents to see which of the eligible schools are within a 'walk-zone' of the child's home.
Discover BPS uses the open-source pgRouting with OpenStreetMap to derive the "walkshed" polygons which are then used to calculate which schools are within street walking distances. The walkable schools are then displayed on the map with green colored map markers.
Via: Google Geo Developers Blog
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