[postgis-users] PgRouting in PostGIS

[Stephen Woodbridge]

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