[OSGeo Africa] Travel Time Calculation

Sandy M Mufamadi sandymufamadi at yahoo.com
Mon Jan 14 22:50:43 PST 2013

Hi Uazu
If you have ArcInfo make use of the Network Analyst extension, the steps are straightforward but you have to first of all create a  network dataset from ArcCatalog using your line feature accomplished by using the Network Dataset Wizard, you can also check out different demos from www.esri.com/software/arcgis/extensions/networkanalyst/demos 
All the best, not sure how you do it with the other GIS software you mentioned, do share if you get it.

-----Original Message-----
From: Ramashia, Kenneth
Sent: 2013/01/15 07:49
To: Africa local chapter discussions
Subject: Re: [OSGeo Africa] Travel Time Calculation

Try to use Network Analyst extension tool.
Kind Regards
Kenneth Ramashia
GIS Specialist
Technical Services/TSES
 Wonderkop, Marikana
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From: africa-bounces at lists.osgeo.org [mailto:africa-bounces at lists.osgeo.org] On Behalf Of Uazukuani
 Sent: 14 January 2013 04:21 PM
 To: Africa local chapter discussions
 Subject: [OSGeo Africa] Travel Time Calculation
Dear All
I have a problem that I hope someone on this mailing list could assist with. 

I want to calculate travel time from (each) VILLAGE to the nearest URBAN CENTER along the road network.
The output format could be text or GIS with at least 3 columns: 1. Village, 2. Nearest Urban Centre and 3. Travel Time.
I have 3 data sets: 1. Villages (Point), 2. Urban centers (Point) & 3. Roads (Polyline/line) for the whole country (Namibia).
I would appreciate if someone refers me to tutorials on this. 
I have access to PostGIS, QGIS and GvSIG, ArcInfo, GeoMedia Pro 6.x, MS SQL Server 2008 (Spatial) but am willing to try something else.
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