[OSGeo Africa] CRS in use in South Africa

[Zoltan]

Hi Heidi,
Yes, I also "stumbled across it" during some google researches yesterday.
It's a good read, and thanks for making the extra effort to tell me 
about it.
Kind r
egards,
Zoltan

On 2017/12/14 15:13, Heidi Van Deventer wrote:
> Coincidently I stumbled upon this article after you sent this 
> communication earlier this week:
>
> Waywell T 2009 The effect of various map projections on surface area. 
> PositionIT July: 49 - 55
>
> https://www.ee.co.za/wp-content/uploads/legacy/PositionIT%202009/VisT-The-effect-of-various.pdf
>
> Kind regards,
> Heidi
> >>> Zoltan <zoltans at geograph.co.za> 12/12/2017 16:35 >>>
> > Hi Heidi,
>
> Thanks for the confirmation.
> Regards,
> Zoltan
> On 2017/12/12 15:57, Heidi Van Deventer wrote:
>> Hi Zoltan
>>
>> we use the Albers Equal Area conical projection for South Africa with 
>> the central meridian at 25°E, parallels 24°S and 33° S, spheroid and 
>> datum = WGS84 for calculating the extent of ecosystems at a national 
>> scale in the National Biodiversity Assessment for 2018.
>>
>> Kind regards,
>> Heidi
>> >>> Zoltan <zoltans at geograph.co.za> 12/12/2017 14:39 >>>
>> > 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
>> -- 
>> =============================================
>> 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
>> =============================================
>>
>>
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>
> -- 
>
> =============================================
> 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
> =============================================
>
>
> _______________________________________________
> 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.

Mobile: +27-83-6004028
Fax:    +27-86-6115323     www.geograph.co.za
=============================================

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