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pgRouting: A Crash Course

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Published on Jun 3, 2016

by LEO HSU

pgRouting is an extension that builds on PostGIS for performing network routing such as road navigation, hiking, and other things.

In this talk we'll give a crash course of what you can do with pgRouting with a special focus on pgRouting 2.1, and time permitting, highlights of upcoming pgRouting 2.2.

Coverage will detail:

1) Making general data routable and applying costs to data
2) Using dijkstra to determine optimal paths from one start location to one destination
or for choice travel options - one source to many destinations

3) Finding multiple paths solutions given a start and end point
Given a starting point and desired end point, what are the N least costly solutions to the problem using K-Shortest Path (KSP).
Gotchas you should watch for when using this. (K-Shortest Path (KSP) )

4) Viewing your solutions in QGIS

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