[pgrouting-users] Network Reach Function

Ian itangert at gmail.com
Mon Oct 14 10:44:57 PDT 2013

Steve - hi,

I would like to study retail in cities based on pedestrian trade areas.

I was thinking that the finalized function will have the following 
parameters: lon, lat, distance, edge table name, edge table cost field 
name.  I think that will make it generic enough for anybody to use? Can 
you think of anything else it would need?

I'll post back once I've made the updates


On 10/13/13 20:54 PM, Stephen Woodbridge wrote:
> On 10/12/2013 7:21 PM, Ian wrote:
>> Hello,
>> I started working on a network reach function for pgRouting 2.0.
>> It is on github at
>> https://github.com/iant1212/networkReach
>> Next I'm going to work on making it more general in terms of the table
>> and column names, and add the ability to start from any point along any
>> edge.
>> I'd appreciate any advice or input about it if anyone is interested in
>> it, thanks,
>> ian
> Hi Ian,
> Thanks for sharing this. This looks like a nice wrapper to the 
> pgr_drivingDistance() function in that it trims the final edges.
> What is your use case for this function?
> When you are done you might want to add a link to you repository to:
> https://github.com/pgRouting/pgrouting/wiki/Writing-functions
> Thanks,
>   -Steve
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