[postgis-users] routing using PostGIS

[Eduardo Patto Kanegae]

You mean that PostGIS 1.0 will have this functions implemented in its C libpostgis.so ?

thanks

Eduardo Patto Kanegae
http://www.webmapit.com.br
ICQ: 303747254

Treinamento em UMN MapServer - http://www.webmapit.com.br/ptbr/?menuoption=mapserver
Fórum MapServer Brasil - http://mapserver.cttmar.univali.br/forum

***Fim da Mensagem / End of Message ***



On Fri, 26 Nov 2004 11:25:51 +0100, strk at refractions.net escreveu:

> De: strk at refractions.net
> Data: Fri, 26 Nov 2004 11:25:51 +0100
> Para: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Assunto: Re: [postgis-users] routing using PostGIS
> 
> On Fri, Nov 26, 2004 at 08:22:17AM -0200, Eduardo Patto Kanegae wrote:
> > Hi folks,
> > 
> > I'm interesting on implementing Dijkstra algorithm into PostGIS/PostGreSQL using PL/PGSQL
> > 
> > Does anybody has experience with this algorithm ? I mean, does it have possible constraints that could avoid PL/PGSQL implementation?
> > 
> > cheers
> 
> It'll be hell implementing it in PL/PGSQL.
> You don't have easy vertex access, you'd have to extract that info
> parsing WKT (or in the best case HEXWKB - with postgis-1.0).
> I suggest you do it in C using the new api found in CVS. 
> --strk;
> 
> 
> > 
> > Eduardo Patto Kanegae
> > http://www.webmapit.com.br
> > ICQ: 303747254
> > 
> > Treinamento em UMN MapServer - http://www.webmapit.com.br/ptbr/?menuoption=mapserver
> > Fórum MapServer Brasil - http://mapserver.cttmar.univali.br/forum
> > 
> > ***Fim da Mensagem / End of Message ***
> > 
> > 
> > 
> > 
> > 
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