Well, almost all-in-one. The function currently requires some prep work on the input points before being able to generate the isochrones (alphashapes). The function takes as its arguments the point input table you want the isochrones for and the time in seconds. CREATE OR REPLACE FUNCTION public.make_isochronesX(v_
The previous post looked at implementing the basic pgRouting workshop OpenLayers3 examples in EPSG:27700. This post adds reverse costs to the mix to take advantage of the road routing information (RRI) supplied with Ordnance Survey's ITN dataset. The changes to the two functions I created are minor - I
This document and repository explains how to load Ordnance Survey ITN GML into a PostGIS database with Loader and then build a network suitable for use with pgRouting. The network will have one way streets, no entry and no turn restrictions, mandatory turns and grade separations for over- and underpasses.