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Note: Details of the Feature Table provided below are relevant to a Schematic scenario. For a Geographic scenario, choose Edit » Rainfall Runoff Models... and refer to Rainfall runoff models.

The Feature Table is a very powerful tool in Source. Its main purpose is to allow review and management of model parameters during scenario development, including:

  • Viewing a summary of scenario components in a selected project. This includes nodes, links, functions, ownership, resource assessment;
  • Edit pre-configured parameters of individual components, such as numerical values and data inputs (expressions, functions and time series);

Once a schematic scenario has been created, the Feature Table can be accessed by choosing Edit » Feature Table.... 

Figure 1. Components of the Feature Table

 

Components

The Feature Table comprises of a total of two/three columns:

  • The left-most column lists all elements in the current scenario - this includes all nodes, links, input data (such as functions), including features that have been enabled (such as ownership and resource assessment);
  • For a selected element in the first column, the second column provides an overview of its configured parameters; and
  • The third column appears when the toggle icon is turned on; it shows individual parameter values.

Attributes of the Feature Table

  • A tool tip appears when you hover over a column header, showing the parameter's full name;
  • The ability to filter on a particular column - this is very useful when a scenario has a large number of nodes such as multiple water user demand model types. Refer to the sections below for details;
  • The ability to enable/disable checkboxes of individual nodes in their associated feature editors.
  • If you specify invalid values for specific cells, they will not be saved when you click OK. For example, the Maximum Extraction Rate of a Supply Point node cannot be a negative number;
  • If available (and relevant), you can change units in a column. Hover on the Units button in the column header and choose the required units from the drop-down menu;
  • You can import and export .csv files in the Feature Table. Refer to the respective sections below for details;
  • The ability to copy and paste columns and rows. Use the Shift key in conjunction with the arrow keys to choose multiple rows and/or columns. Alternatively, you can click and drag the mouse to choose multiple cells. Press Ctrl+C to copy the cells, then (Ctrl+V and Shift) to paste in the required cells. You can also copy text from the Summary column. For the equivalent operation in catchments, click Apply Value(s) To All Rows (as shown in the Rainfall Runoff Model Configuration dialog); and
  • Some columns provide a read-only view of the node/link - these are parameters that cannot be changed in the Feature Table. Clicking on Feature Editor… will open the associated node’s feature editor alone.
Note: For Storage nodes, the table does not show details of any outlets that have been configured. For the Water User node, you can view the type of demand modelling configured. However, details of the modelling are not shown.
Figure 2. Feature Table, example

Working with filters in the Feature Table

You can have multiple filters active at once. To open the filter dialog:

  • Hover your mouse pointer on the column header until a drop-down arrow appears; and
  • Click on the arrow to open the dialog.

Once a filter is active, an icon appears in the column header indicating that a filter is active for that column. The example in Figure 3 shows what type of filters are active - in this case, the Name and Volume columns.

Note: Click Reset Filter to disable any active filters.
Figure 3. Feature Table, filtering on multiple columns

 

Filtering on numerical values 

To filter on columns that have numerical values, open the filter dialog (as described above) and specify its parameters (shown in Figure 4):

  • Specify the first filter using the Symbols drop-down menu and enter a numerical value;
  • If you wish to change the units, click on the column units button and specify the required units;
  • Enable the checkbox if you wish to define the second filter; and
  • Click Filter to enable the filter. The result will appear in the Feature Table.
Figure 4. Feature Table, filtering on numerical values

Filtering on names

You can filter based on the Element Type name:

  • Open the filter window (Figure 5);
  • Enter the required string in the text field; and
  • Click Filter.
Figure 5.  Feature Table, filtering on names

Importing

  • Columns and rows may be in a different order prior to importing. Note that column and row headers should match exactly to ensure the correct operation;
  • You can import more columns than is visible in the Feature Table. This is applicable when filtering has been turned on; and
  • Read-only columns are not imported.

Exporting

  • Only visible rows and columns in the parameter overview are exported. So, if filtering is turned on, the filtered rows and columns will be exported;
  • The column title of the exported file is a combination of the top-level header and the column header of the Feature Table (refer to Figure 1); and
  • The Feature Editor column is not exported.
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