[postgis-users] Σχετ: postgis

[Stephen Mather]

That said, there is value to implementing dependency-free routing algorithms in the core of PostGIS, at least simpler stuff anyway.  I have dijkstra on my todo for PostGIS, but haven't gotten started on it yet.

Best,
Steve



On May 17, 2013, at 11:00 AM, Stephen Woodbridge <woodbri at swoodbridge.com> wrote:

> 
> 
> This is already implemented in pgRouting, look in branch sew-devel-2_0 which is our 2.0 development branch.
> 
> https://github.com/pgRouting/pgrouting/tree/sew-devel-2_0
> 
> -Steve
> 
> On 5/17/2013 10:31 AM, Adam Eskreis wrote:
>> You can implement any functions you want using stored procedures with
>> plpsql.  Alternatively, you can write functions in C and bind them to
>> postgis.
>> 
>> plpgsql guide: http://www.postgresql.org/docs/9.1/static/plpgsql.html
>> c functions guide: http://www.postgresql.org/docs/9.1/static/xfunc-c.html
>> 
>> best of luck.
>> 
>> -Adam
>> 
>> 
>> On Fri, May 17, 2013 at 5:07 AM, Tina Musa <timuso at yahoo.gr
>> <mailto:timuso at yahoo.gr>> wrote:
>> 
>>    hello,
>> 
>>    i am a student and i need help with postgis.
>>    i want to implement a algorithm (*Yen's algorithm* computes
>>    /K/-shortestpaths).
>>    if can somebody help me ???
>> 
>>      thank you in avdance
>> 
>> 
>> 
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