Tagged Questions
2
votes
1answer
144 views
Create an optimized point layer derived from a road layer so that the driving distance between each point is x
Consider a classic state-wide or country-wide roadway network. I want to create a point layer, where each point is on the roadway network. This point layer will have each point separated by its ...
2
votes
2answers
191 views
Reinventing the wheel: Public Transit System
I'm building a public transit service in South Africa, and I initially started the project on PHP and MySQL. I've managed to get far with the simple stack, with:
Routing algorithm in PHP
Data ...
2
votes
2answers
97 views
Are there open standards for storing multi-modal routing graphs?
I'm looking for any open standards (or maybe best practices) for storing multi-modal routing graphs, eg. info for pedestrian, bike, public transport and car routing, etc.
Every data provider seems to ...
6
votes
1answer
191 views
Looking for best practices for determining turn penalties
Shortest path routing will often return routes with a lot of turns (zigzag shape).
If you want to get routes with fewer turns, you can use turn penalties to make turning more "expensive".
What are ...
1
vote
1answer
110 views
Finding intermediate points and speed over a segment
I have a dataset which is in the form of ( Time , Car ID, Speed at that moment, Lat,Long) and I need to do some machine learning on the data to answer the following questions :
Best route from ...
18
votes
8answers
3k views
Alternatives to pgRouting
I was wondering if there are any alternatives to pgRouting tools.
Thinking about it for a bit, I think the only alternative is to use R or RPY to do the analysis.
Basically I'm trying to solve ...