[OSGeo Africa] CRS in use in South Africa
zoltans at geograph.co.za
Tue Dec 12 06:08:44 PST 2017
Sorry Dave - I missed acknowledging you on my previous response.
Yes,... I had forgotten about the Goldfields one (having worked with it
in the eighties!) - but I'm not going to toss that one into the pile.
I'm aiming at producing a guideline for recognising common RSA CRSes by
the numeric values of the coords, and if necessary (like the 2-Deg Lo
bands) some knowledge of the approx location of the AOI.
Thanks for your input.
On 2017/12/12 15:11, david wrote:
> Some of the mines still use the various Goldfields systems but few and
> far between, maybe more important to go from a local coordinate
> system(sides and angles) to a commonly used coordinate system such as
> the LO system as many of the properties in SA were surveyed on a local
> system with no coordinates.
> *From:*Africa [mailto:africa-bounces at lists.osgeo.org] *On Behalf Of
> *Sent:* Tuesday, 12 December, 2017 2:40 PM
> *To:* Africa local chapter discussions <africa at lists.osgeo.org>
> *Subject:* [OSGeo Africa] CRS in use in South Africa
> Hi Africa-listers,
> I want to set an informal assignment for my candidates, to help them
> recognise common CRSes used in South Africa (South, not Southern).
> Off the top of my head I can think of:
> * Non projected Lat Long
> * Lo system (North and/or South facing) projected from either Clarke
> 1880 [if very old] or WGS84
> * UTM33-36S
> Are there any others_in common_ use?
> If so, by whom?
> Thanks and keep well,
> Zoltan Szecsei GPrGISc 0031
> Geograph (Pty) Ltd.
> GIS and Photogrammetric Services
> P.O. Box 7, Muizenberg 7950, South Africa.
> Mobile: +27-83-6004028
> Fax: +27-86-6115323www.geograph.co.za <http://www.geograph.co.za>
> Africa mailing list
> Africa at lists.osgeo.org
> You can UNSUBSCRIBE at https://lists.osgeo.org/mailman/listinfo/africa
Zoltan Szecsei GPrGISc 0031
Geograph (Pty) Ltd.
GIS and Photogrammetric Services
P.O. Box 7, Muizenberg 7950, South Africa.
Fax: +27-86-6115323 www.geograph.co.za
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Africa