[postgis-users] pgrouting 0.7 and a*

[Ville Antti Ensio Leinonen]

http://www.postlbs.org/postlbs-cms/en/download
linux and windows versions

And working i mean shortest_astar_path_as_geometry() and
shortest_astar_path() wants those x1,x2,y1,y2 but i dont where and how i 
create them.



---------------------------------
  --	Ville Leinonen		 --
   -- TTE2SNY1/TTE2SN4Z		  --
  --	OTE ry hallituksen jäsen --
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On Sun, 5 Nov 2006, Pedro Doria Meunier wrote:

> PGRouting???
>
> I'm *very* interested in this!!! where can I get the module?
>
> Regards,
> Pedro
>
> On Sun, 2006-11-05 at 19:16 +0200, Ville Antti Ensio Leinonen wrote:
>> Hi. Im working with routing. I allready have tryed with pgdijsktra module
>> and that worked somewhat right, now i found pgrouting 0.9.7 module. I got
>> dijkstra to works sameway as in pgdijsktra, but i cant find any howto or
>> tutorial to get A* work.
>>
>> for dijkstra i have
>> l table with data
>> l.edges has id,source,targer,cost,reverse_cost
>> l.vertices has id,the_geom
>> works fine after little modification to _internal_id() function, and
>> actually looks like pgrouting works better that pgdijkstra when using
>> dijsktra.
>>
>> Now what i need to do to get A* work, i assume that i need x1,x2,y1,y2
>> columns to l.edges table? but what data and how i populate those values?
>> maybe something to do with long/lat?
>>
>> shortest_astar_path_as_geometry('l', source_id, target_id, delta);
>> And what is delta, README.INSTALL file dosen't talk to me.
>>
>> Thanks You for help
>>
>>
>>
>> ---------------------------------
>>   --	Ville Leinonen		 --
>> ----------------------------------
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