I have about 50,000 linestrings in PostGIS. They represent routes along roads. But I want them to be (roughly) pavements (aka sidewalks) instead. So I need to move all the lines 3 metres to the left ...
OSM2po is converting data from OSM to postgresql. But how is it handled with places or squares? Not every places, square has pedestrian way routes on it. But for routing I need nodes and pedestrians ...
I would like to optimize the service areas / catchment areas for an emergency service. Therefore, I have several measurement points on the streetmap, where people have stopped the travel time from ...
i'm a student and i'm working on a project. the aim is given two sets of coordinates(origin & destination) route through the map to determine the optimum path using public transportation and of ...