Contents
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About Nodes
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| The following nodes are not available in Source (public version): Off-allocation and Transfer Ownership. |
Nodes represent places where actions or measurements occur in a river system, where water can be added, extracted, stored, recorded, or change ownership in a model. A node can be used to represent things that actually happen over a large physical area but that, for modelling purposes, occur at a single point. In sub-catchments, they provide a position in the catchment network where water management information can be placed. In Source, nodes are depicted using the icons shown in Figure 1.
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| Note: This section describes how nodes can be configured in Source. For the scientific background behind their operation, refer to the Source Scientific Reference Guide. |
Figure 1. Source node icons
Using nodes in Source
This section outlines how to work with nodes in Source. Some actions can be duplicated for links.
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Nodes can be joined to each other according to the matrix in Figure 2. Links , links between nodes will vary depending on the nodes being connected. For example, a wetland conveyance link will occur when a storage node is linked to a wetland connector.
Figure 2. Node connection matrix
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Renaming nodes and links
Changing the name of a node or link only alters it in the scenario that you changed it in. A change in one scenario does not propagate to others; they are not linked in any way. You can change the name of a node or link using one of the following methods:
- To make the Project Explorer visible, choose View » Project Explorer or click its equivalent on the toolbar. In the Project Hierarchy, click the node or link to select it, pause, and click a second time. The name will be prepared for editing (Figure 3). Type the new name and press return; or
- Right-click the node or link in the schematic and choose Rename. The name will be prepared for editing. Type the new name in the field, then press Enter.
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2. Renaming a node or link
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Note: Source does not support duplicate names for nodes or links and will warn you if there is one. You must ensure that the names you choose are unique to the scenario. |
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The Find panel allows you to search for specific nodes and links within open scenarios. Press Ctrl+F to open the Find panel (Figure 4) and enter any part of the element's name as a search term. The result set indicates the scenario containing the node/link along with its type. This is useful when you are working with very large scenarios.
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3. Find panel
Copying and pasting
You can copy and paste a desired selection of nodes and/or links within or between scenarios in the same project. Select the desired nodes and/or links, right click and choose Copy. To paste the selection, right click on the Schematic Editor and choose Paste. Note that all attributes of a node are copied (provided any associated links are selected as well - for example, confluence and water user nodes). Also, refer to Copying network elements for more information.
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Deleting nodes can be achieved simply by selecting the node and pressing the delete key, or by right-clicking it and choosing Delete from the contextual menu. Deleting a link removes only the link. Deleting a node removes both the node and any links that were attached to the node.
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Figure 5 shows how to follow this procedure for an inflow node.
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4. Inflow node, adding/editing a note
Working with nodes
Individual nodes can be rotated, once they are present in the Schematic editor. First, select the node. Then, click on the green dot and rotate the node to your desired position.