Tutorial: Calculate the Topographic Wetness Index from a DTM

6. Visualise TWI in the 3D view

We can further inspect the results in the 3D view.

1. In the main menu choose: View | New 3D Map View.

2. Configure the scene by clicking

3. Set the Terrain Type to DEM (Raster Layer) and choose dtm_voidfilled layer for Elevation. Use a Vertical scale of 3 to exaggerate the terrain.

4. Click OK and inspect the result.