[OSGeo Africa] Municipal boundary demarcation

Aslam Parker Aslam.Parker at drdlr.gov.za
Tue Jul 19 23:37:49 PDT 2016

Dear Colleagues

The Municipal Demarcation Board http://www.demarcation.org.za/  is the only authoritative source of Demarcation data in South Africa

The Board’s mandate derives from:
The Constitution Of The Republic Of South Africa, 1996 (Act No 108 Of 1996).
The Board is mandated in terms of section 155(3)(b) to determine municipal Boundaries independently.
Local Government: Municipal Demarcation Act, 1998 (Act No 27 Of 1998)

The latest boundary data (shapefiles) can be downloaded from http://www.demarcation.org.za/index.php/downloads/boundary-data

We are also encouraged to carefully scrutinise the Section 21 of the Local Government: Municipal Demarcation Act 27 of 1998 the Municipal Demarcation Board which graphically shows re-determined the municipal boundaries.  In most cases the boundary changes seems small and insignificant, but can have significant socio-political, as well as planning implications. http://www.demarcation.org.za/site/?page_id=14588
A Good example :
“  In terms of Section 21 of the Local Government: Municipal Demarcation Act 27 of 1998 the Municipal Demarcation Board has re-determined the municipal boundaries of Mnquma Local Municipality (EC122) and Mbhashe Local M unicipality (EC121) , by excluding the Administrative areas of Mhlahlana, Nkonkwana,KwaMente, and KwaNkanga from the municipal area of Mnquma Local Municipality (EC122), and by including them into the municipal area of Mbhashe Local M unicipality (EC121).” The example map can be accessed  at http://www.demarcation.org.za/index.php/municipal-boundaries/section-21-maps-and-notices/ec-sec21-dems/1104-dem4037-bpfc-sec21/file

Aslam Parker | Director: Geo-spatial Information and Professional Support |Chief Directorate: National Geo-spatial Information | Department of Rural Development and Land Reform | www.ngi.gov.za<http://www.ngi.gov.za/>| Cape Town|
Tel +27 21 658 4302| Fax +27 21 689 1351| Mobile 082 331 8501| aslam.parker at drdlr.gov.za<mailto:aslam.parker at drdlr.gov.za>

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From: Africa [mailto:africa-bounces at lists.osgeo.org] On Behalf Of Lydia du Toit
Sent: 20 July 2016 07:44 AM
To: Africa local chapter discussions
Subject: Re: [OSGeo Africa] Municipal boundary demarcation

Hi Chris,
Contact the Demarcation Board, or download from their website.
They have the 2011 and 2016 boundaries available.


Lydia Du Toit (Pr GISc)
Mobile: 0832713158
Email: Lydiadt at mweb.co.za<mailto:Lydiadt at mweb.co.za> or
From: Chris Kirchhoff<mailto:chris at kirchhoffsurveyors.co.za>
Sent: Wednesday, July 20, 2016 5:41 AM
To: 'Africa local chapter discussions'<mailto:africa at lists.osgeo.org>
Subject: [OSGeo Africa] Municipal boundary demarcation

Is there a formal/ legal source of municipal boundary positions especially for boundary between Johannesburg and Tshwane municipalities

Chris Kirchhoff
Professional Land Surveyor
Tel : 082-773 4868
chris at kirchhoffsurveyors.co.za<mailto:chris at kirchhoffsurveyors.co.za>

We believe good spatial information leads to superior planning, diminished project risks, improved feasibility assessments and efficient resource utilisation.

From: Africa [mailto:africa-bounces at lists.osgeo.org] On Behalf Of Gavin Fleming
Sent: 19 July 2016 11:13 AM
To: africa at lists.osgeo.org<mailto:africa at lists.osgeo.org>
Subject: Re: [OSGeo Africa] QGIS splitting lines at intersections

On 19/07/2016 11:05, Zoltan wrote:
Hi Gavin,
I did see the one using "another layer", but that is problematic as when one is digitising (say) a town road network you would want to honour the straightness of the roads and then intersect them afterwards.
If you're doing it while digitising I would rather set up snapping perfectly then node intersections while digitising. As simple as stopping a line and starting a new one instead of just clicking a vertex at an intersection.
Hence "popping out" to other facilities just messes up your work-flow.

Will look at the scripting options  - for now this is just a training exercise in teaching digitising principals.

Thanks & keep well,

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Gavin Fleming - Joint MD - PrGISc [PGP1234]
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