[OSGeo Africa] Travel Time Calculation

Aslam Parker APARKER at ruraldevelopment.gov.za
Mon Jan 14 22:00:18 PST 2013

Hi Ramashia
I have high resolution imagery of the Marikana Massacre site and surrounds if you are interested (6.5cm). It was flown with a UAV by Trimble.


Aslam Parker | Director: Geo-spatial Information and Professional Support
|Chief Directorate: National Geo-spatial Information www.ngi.gov.za| Cape Town|
Tel +27 21 658 4302| Fax +27 86 211 7919| Mobile 082 331 8501| aparker at ruraldevelopment.gov.za 

P Please consider the environment before printing this email and/or any related attachments>>> "Ramashia, Kenneth" <Kenneth.Ramashia at lonmin.com> 2013/01/15 07:43 AM >>>

Try to use Network Analyst extension tool.
Kind Regards
Kenneth Ramashia
GIS Specialist
Technical Services/TSES
Wonderkop, Marikana
T +27 14 571 3434  | F +27 86 582 1257 | M +27 83 279 9719/ W www.lonmin.com
"Progress is impossible without change, and those who cannot change their minds cannot change anything"
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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