[postgis-users] routing using PostGIS

[strk at refractions.net]

On Fri, Nov 26, 2004 at 10:12:21AM -0200, Eduardo Patto Kanegae wrote:
> You mean that PostGIS 1.0 will have this functions implemented in its C libpostgis.so ?

No. I mean PostGIS 1.0 will have an easier API to access geometry
vertexes and construct new geometries.
--strk;

> 
> 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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