---
title: I need assistance to Geo-reference SG documents
description: You can plot points on a surveyor-general diagram associated with a property displayed on the map. Here's how.
---
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# I need assistance to Geo-reference SG documents
## You can plot points on a surveyor-general diagram associated with a property displayed on the map. Here's how.
[More about Surveyor General diagrams](https://help.1map.co.za/knowledge/survey-diagrams?hsLang=en)
1. Select a property by searching or clicking on or near a property on the map.
2. Open all SG Diagram information of the selected property from the pop-up window, by clicking on the SG diagram tab (second from the left). All SG Diagrams related to the selected property will be displayed in the window. A preview window will show preview images of the available diagrams.
3. Select the diagram that you want to view from the preview window.
4. The selected diagram will be enlarged to full screen and includes showing document number and diagram type.
5. To Geo-reference the diagram, click on the Toggle Georeference View (insert icon), 
the Toggle Geo-reference Edit button appears below, click it. 
6. Zoom into the diagram and select the first point, ensure it is a corner or distinct marker so that it can be found on the map too.
7. Move to the map and match the exact point on the diagram to the map, click.
8. Repeat these steps 3-4 times ensuring that the points are spread well across the diagram.
9. To finish the geo-reference click on the Toggle Georeference Edit button again.
10. Returning to the SG Diagrams window you will notice that the Geo-reference Status above the diagram now reads in Queued in Yellow.
11. Upon completion, it will read ‘Geo-reference Status: Available’ in green.
12. To view the geo-referenced diagram, ensure the base layers are turned to none and then select the Toggle Geo-reference View button.
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