For schematic scenarios, Source provides a background map image with overlaid nodes, resulting in an enhanced view of the current active scenario.
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The Map tab (Figure 1) shows nodes in a geographical setting, which can be set up using View » Maps or via the Scenario toolbar. The panel on the right allows you to manage nodes and map views. It contains the following:
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- Hovering on top of a node will bring up a tooltip containing location details;
- To pan, right click and drag across the map;
- The panel below the map provides details at the location of the mouse pointer; and
- An approximate processing times for loading the map is also shown below the map. This value is affected by the level of zoom on the map. As the zoom level is changed, a green bar appears at the bottom, indicating that the map is in the process of being loaded.
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You can set geolocation coordinates and elevations for nodes and reaches using the Location Control window (using View » Location Control). While it is not essential, it is convenient to set elevations with respect to Australian Height Datum (AHD). You can enter negative numbers for components that are below sea level, such as the lower lakes of the Murray. The elevation of a component is the zero point for that component. For example, the zero point for a storage is the lowest point in the storage.