Tutorial M10 004 GIS Inputs QGIS GPKG

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Introduction

QGIS is used to create, import and view input data.

Method

Create a 2d_sa polygon downstream of the dam wall:

1. Click on the ‘Import Empty File’ symbol from the TUFLOW Plugin toolbar.
2. Select '2d_sa' from the Empty Type list.
3. In the Run ID box write 'M10_dambreak_004'.
4. Tick the 'Regions' Geometry Type and hit 'OK'. The 2d_sa file appears in the Layers panel.
   
5. Right click on the 2d_sa_M10_dambreak_004_R and toggle on Editing.
6. Select 'Add Polygon Feature'.
7. Digitise a polygon downstream of the dam wall within the creek channel.
   
8. An attributes dialog displays, enter the following attributes:

   • Name: dambreak

9. Click 'OK' and turn off editing to save the edits.
   
   
   
   

Conclusion

• A polygon was digitised for input dambreak hydrograph.

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