The DEM processing will use the tools in the DEM Processing section in the Micro-Drainage tab. For more information, please refer to User’s Manual – DEM Processing

A. Fill Sinks

Navigate to the Micro-Drainage tab. Click the Fill Sinks button in the DEM Processing section. In the pop-up Fill Sinks window, in the DEM Layer field choose the imported DEM “w001001”. In the Output Folder field, choose the location where you want save your file, for example, “…\model\practice\FilledDEM”. Click OK.

After the processing, a new layer called “FilledDem” will be added to the map layer table under the Imported group.

B. Build Walls

Click the Build Walls button in the DEM Processing section in the Micro-Drainage tab.

In the Build Walls window, set the tool as below. The Output Folder is “…\model\practice\WalledDEM”. Click OK.

C. Flow Path

Open the Flow Path tool from the DEM Processing section in the Micro-Drainage tab. Set the tool parameters as below. The Output Folder is “…\model\practice\FlowPath”. Click OK.

A new layer group will be added to the map layer table.

D. Sag Layer Generation

Open the Sag Layer tool from the DEM Processing section in the Micro-Drainage tab. Set the tool parameters as below. The Output Folder is “…\model\practice\Sag”. Click OK.

Turn off raster layers and keep “SagIntersect” and “flowpath” layers and move the layer group “FlowPath” above the “imported” layer group. The map will display like this:

E. Assign Layers

Open the Assign Layers tool from the DEM Processing section in the Micro-Drainage tab. Assign the layers as below.