[pgrouting-users] Isochronous

Stephen Woodbridge woodbri at swoodbridge.com
Tue Mar 18 10:40:49 PDT 2014

On 3/18/2014 1:32 PM, Valeria Muñoz wrote:
> HI
> I need to develop a system to generate isochrones according to minutes,
> you can make this with postgis and how?

You should be able to use the pgr_DrivingDistance() function where you 
use edge cost as time rather than distance.

cost_time_min = edge_length_miles / average_miles_per_hour * 60


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