This option is used to Reset (reinstate) all Triangles which have been nulled.
Continue down the page to see the Resetting all Nulled Triangles options.
To Reset All Nulled Triangles, Use: Tins => Null => Reset
![TIN Null Reset 1](https://12dwiki.com.au/wp-content/uploads/2018/10/TIN-Null-Reset-1.jpg)
Firstly select the Tin to reset the triangles from the drop down list, in this example we have selected ‘survey’.
Hit the <Reset> Button to reinstate all the nulled triangles.
![TIN Null Reset 2](https://12dwiki.com.au/wp-content/uploads/2018/10/TIN-Null-Reset-2.jpg)
All the nulled triangles have been reset and available to use again.
![TIN Null Reset 3](https://12dwiki.com.au/wp-content/uploads/2018/10/TIN-Null-Reset-3.jpg)