[OSGeo Africa] Erven in Cape Town
Gavin Fleming
gavin at kartoza.com
Tue Oct 28 02:27:15 PDT 2014
Hi Adi
Here's how to interpret the 21 digit code:
http://csg.dla.gov.za/21charac.htm
In an up-to-date database representing a single time and status, the 21
digit code must be unique per parcel. If consolidations, subdivisions,
etc. have not been updated or if your dataset represents a long time
period and not just the current state or has multiple legal statuses,
you might well get duplicates. e.g. if you get the national parcel
database from the SG office you'll find thousands of duplicates.
There's only one national cadastre so City of Cape Town will follow the
same rules and structure as any other region.
Gavin
On 28/10/2014 11:16, Kristin Botes wrote:
>
> As already mentioned, the erven are unique per allotment. The first 8
> digits of the SG Key is the allotment code.
>
> You can also request the Allotment / Farm layer from the City to get
> the names of the allotments.
>
> The land parcels layer should also have a Legal Status field which may
> cause a bit of overlap of parcels:
>
> Legal Status lookup:
> 1 - Final Approved
> 2 - Cancelled
> 3 - Lapsed
> 4 - SG Approved
> 5 - Registered
> 6 - History
> 7 - Withdrawn
> 8 - Excised
> 9 - Confirmed
>
> Kind regards,
> Kristin
>
> On 28 Oct 2014 10:51 AM, "E. Ndava" <erick.ndava at gmail.com
> <mailto:erick.ndava at gmail.com>> wrote:
>
> To add to it. Erven are numbered per what are called Allotments.
> (Pseudo-Suburbs). If the dataset you have lacks the SG codes
> mentioned by others. You may want to get the Allotments (spatial)
> layer as well. Erven numbers are unique in an Allotment.
>
> On 28 October 2014 10:47, S Coetzer <geotech.sarel at gmail.com
> <mailto:geotech.sarel at gmail.com>> wrote:
>
> Did you use key 21 aswell?
>
> On 28 Oct 2014 10:44, "Adi Eyal" <adi at burgercom.co.za
> <mailto:adi at burgercom.co.za>> wrote:
>
> Here is an extract from the erven file for erf no 30498
>
> https://www.dropbox.com/s/f8qyz0p55ed117g/erven.csv?dl=0
>
> How would I differentiate between them? They tend to be in
> different suburbs.
>
> Adi
>
> On 28 October 2014 10:37, S Coetzer
> <geotech.sarel at gmail.com <mailto:geotech.sarel at gmail.com>>
> wrote:
> > Hi
> >
> > Filter on parcel type
> >
> > Erf, fsrm portion, parent farm, public places....
> >
> > On 28 Oct 2014 10:33, "Adi Eyal" <adi at burgercom.co.za
> <mailto:adi at burgercom.co.za>> wrote:
> >>
> >> Hi All
> >>
> >> Hopefully someone on this list has experience with how
> the City of
> >> Cape Town erven are arranged. I received a shapefile
> containing all
> >> erven in the City of Cape Town from City Maps. It seems
> that in Cape
> >> Town, erf numbers can be repeated and it is not clear
> how to
> >> differentiate between them.
> >>
> >> I know that this is a very vague question, let me know
> if there is any
> >> more information that you need to understand what I am
> talking about.
> >>
> >> Many thanks
> >> Adi
> >>
> >> --
> >> Adi Eyal
> >> Data Specialist
> >> phone: +27 78 014 2469 <tel:%2B27%2078%20014%202469>
> >> skype: adieyalcas
> >> linkedin: http://za.linkedin.com/pub/dir/Adi/Eyal
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>
> --
> Adi Eyal
> Data Specialist
> phone: +27 78 014 2469 <tel:%2B27%2078%20014%202469>
> skype: adieyalcas
> linkedin: http://za.linkedin.com/pub/dir/Adi/Eyal
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>
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--
------------------------------------------------------------------------------------------
Gavin Fleming
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