[OSGeo Africa] CRS in use in South Africa
inah.modiba at gmail.com
Wed Jan 24 03:00:35 PST 2018
The coordinates on the sg diagrams and general plans helps us alot
especially in cases where the CSG spatial data recived from CSG offices are
incomplete or somwtimes incorrect.We use those coordinates to update and
validate the cadastral data.
There are times where you find that the whole township is missing from CSG
spatial data and you require to work on that township urgently therefore
waiting for CSG officials tonot update it for u not being an option.We use
those coordinates to plot that whole township ourselves either using auto
cad or ArcGIS.
I would request that there be education in helping GIS personnels in
converting those coordinates into decimal degress rather removing them.
Ms Lebogang Modiba
On 24 Jan 2018 12:50, "Peter Newmarch" <newmarch at land-surveyors.com> wrote:
> Dear all,
> I am interested in peoples thoughts on the Coordinates on diagrams and
> general plans. For surveyors its simply duplicated work and plays no part
> in the registration of the diagram or general plan. From what I can see it
> was needed in an era of time to assist in plotting things by hand on paper.
> Land Surveyors don’t use coordinates in reconstructing properties and
> replacing beacons so they really serve no purpose on the diagram or general
> plan. The information is still in the survey records as a separate
> coordinate list so the SG can plot the property appropriately.
> What are peoples thoughts about removing them and relying only on the SGO
> spatial data for such ?
> *Peter Newmarch*
> Africa mailing list
> Africa at lists.osgeo.org
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