[mapserver-users] network analysis in mapserver

[Puneet Kishor]

Stephen,

> I have a live demo running on my site at
>     http://iMapTools.com/demos
> click the "Get A Route" link
> 


verrrrrrry nice.


> This demo is using the US National Highway Planning Network 
> shapefiles for the directed graph, but a directed graph could be 
> built for other networks from shapefiles or other data sources.
> 

so, is this opensource, or do we just salivate over it?

;-)


pk/











> -Stephen Woodbridge
> 
> On 12 Jul 2002 at 9:43, Seamus Thomas Carroll wrote:
> 
> > Hi,
> > 
> > I have post GIS installed but I am not currently using it.  
> I have a road 
> > network for British Columbia and some other provinces and 
> two sets of 
> > point data.  I need to be able to find the shortest path 
> along from point 
> > A (postal code) to point B (hospital data) using an 
> impedance taken from 
> > the dbf.  For example, the length in metres for an arc or 
> the amount of 
> > time to travel an arc.  I need the total impedance and a shape file 
> > representing the path as a result.  Would any of these 
> tools solve this 
> > problem for me?
> > 
> > Seamus 
> > 
> > 
> > On Fri, 12 Jul 2002, Robert W. Burgholzer wrote:
> > 
> > > Seamus,
> > > Are you using postGIS by chance? I am working on a set of 
> tools that
> > > might not be network analysis, but we may have some 
> overlap that we
> > > could share.
> > > 
> > > I too am seeking independence from esri, and postgres 
> extendability (all
> > > functions can be written in C, or several other 
> languages) seems to me
> > > to be a potential for high quality, open source GIS 
> tools. Already there
> > > are several geo-processing routines out there acting in
> > > postgres/postgis. What type of analysis functions are you 
> looking for?
> > > 
> > > Rob
> > > 
> > > 
> > 
> > 
> 
>