Hi, Of course you can. You can put any float value as a cost. And if a cost of an edge is high enough comparing to other costs, algorithm will prefer not to pass through that edge.
Anton. On 9/24/08, Nandorov <[EMAIL PROTECTED]> wrote: > > can i block some segments? for example cad gives the posibility to put a max > resistance value, let's say it's 100. So if the resistance of your segment > is 100 that segment is blocked and you cannot go thorught this way. if this > possible with pgrouting? > > thanks! > > > > Stephen Woodbridge wrote: > > > > Nandorov wrote: > >> hi, > >> i've tried pgrouting algorithms and works pretty well. However, i dont > >> know > >> exactly the way they applied "the resistance" of a way (represented by a > >> multilinestring). has someone worked with pgrouting before? and know if > >> i > >> can modify their algorithms to adapt them to my requirements? > >> > >> thanks > > > > "the resistance" is applied as a "cost" to traverse the segment. All > > cost must be positive. You can use length of the segment as cost for > > shortest distance. or you can compute and assign a cost value based on > > other attributes. > > > > -Steve > > _______________________________________________ > > postgis-users mailing list > > [email protected] > > http://postgis.refractions.net/mailman/listinfo/postgis-users > > > > > > > -- > View this message in context: > http://www.nabble.com/PgRouting-in-PostGIS-tp19638201p19638473.html > > Sent from the PostGIS - User mailing list archive at Nabble.com. > > _______________________________________________ > > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users > _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
