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Comment: Edit through the REST API

Functional units (FUs) refer to areas of particular hydrological response. In Source, Functional Unit classes are initially defined in the Geographic Wizard (Specify functional units). This page explains how to manipulate FU areas outside the Geographic Wizard.

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Note: Using filters in the Functional Unit Area Configuraiton dialog is similar to using them in the Feature Table (see Working with filters in the Feature Table). However, there is also a subcatchment filter to help you find subcatchments either by name or by using the subcatchment map, see Subcatchment filter.

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RasterAssignment
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Using a raster

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Figure 2. Assigning FU areas using a land use raster

Figure 3. Assigning FU areas using a land use raster, assign mapping

Modify Functional Units

Functional Unit names now can be modified even though they have been assigned in the Geographic Wizard. The functions for FU modification include add, delete, and rename using the Edit » Functional Units » List menu item, which will display the UI of Name Functional Units (Figure 4).

Figure 4. Modify FUs

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Add FUs

The user can put the new FU name in Name Textbox (1 in Figure 4), then click on Add button (2 in Figure 4), the new FU will be added to the list of FUs (3 in Figure 4). Click OK button to save the modification.

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The user can click on the unwanted FU name from Functional Units list (3 in Figure 4), then selected FU Name will be displayed in the textbox (4 in Figure 4). Clicking on Delete button (5 in Figure 4) will remove /delete the unwanted FU name from FUs list. Click OK button to save the modification.

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NoteAfter a Functional Unit (FU) was deleted from FU list, that FU was automatically removed from Rainfall and Runoff model, and Constitute model. However, the deleted FU cannot be automatically removed from Scenario Input Sets where it is used. The user needs to manually modify the Scenario Input Sets for the deleted FU.

Rename FUs

The user can click on the FU name, which needs to be renamed, from Functional Units list (3 in Figure 4) first, then selected FU name will be displayed in the textbox (4 in Figure 4) under Functional Units list. The user can then rename this FU in the textbox and the Delete button (5 in Figure 4) will be changed to Rename button. Clicking on Rename button will rename the selected FU (3 in Figure 4) by modified FU name in the textbox (4 in Figure 4). Click OK button to save the modification.

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