[OSGeo Africa] Newsletter / Marketing: Topographical data for Grave/Graves and Cemetery

[Walter Smit]

Dear Peter

I am assuming that you are referring to the images of the topo maps? CDNGI also have the topographical data in vector format – downloadable in geodatabase format. Which can be read in QGIS. In the geodatabase you need to look for a layer called “CULT_PUBLIC_EXP_Areal” which contains (amongst many other types) cemetery polygons.

From there it should be simple enough to calculate the centre points (or label points) of the polygons in X and Y. I cant tell you how to do it in QGIS, unfortunately I don’t use it very often.

Kind regards
W


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From: Africa <africa-bounces at lists.osgeo.org> On Behalf Of Peter Silbernagl
Sent: 17 August 2020 18:55
To: africa at lists.osgeo.org
Cc: Chlodwik Rossouw <chlodwik at latitude-resource.co.za>; Jenny Powis <jennpowis at gmail.com>
Subject: Newsletter / Marketing: [OSGeo Africa] Topographical data for Grave/Graves and Cemetery

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Dear all,

I would like to find the locations of all grave(s)/cemeteries in South Africa. These are usually shown as Grave or Graves or Cemetery on topographical maps.
The information would be used to direct members of the Genealogical Society of SA for them to photograph the gravestones, as a resource for researchers in genealogy and as a contribution towards the preservation of some cultural heritage. See https://graves-at-eggsa.org/main.php?g2_itemId=43

The maps which contain this data can be downloaded from http://www.cdngiportal.co.za/cdngiportal/

I have downloaded the information for the Western Cape and am using the open source GIS software QGIS, https://qgis.org/en/site/ , but have found that my GIS skills are sorely lacking.

Ideally, a list of co-ordinates for each Grave or Graves or Cemetery per degree square or per province would be first prize.
How can I use the software to create such lists or tables? Your guidance in simple steps would be much appreciated.

Many thanks,
Peter Silbernagl

Erf 45
c/o Dunn & Streicher Streets
Infanta
6740
South Africa

Mobile +27 82 448 0324

Postal address
PO Box 889
Swellendam
6740


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