You can access the window to define and edit the river network with into the menu River Network > Edit river network or with the river network button on main Pamhyr2 window.
On river network window you can:
- add and delete nodes
- add or delete reaches between nodes
- rename nodes and reaches
By default, you are in moving mode, this mode able to move on the network with left-click or mode network node.
If you click on the add button , you enter in addition mode. This mode, able to add nodes and reaches with a simple left-click on the grey zone at the centre of window.
Finally, if you click the delete button
, you entre in deletion mode. You can delete nodes and reaches with a left-click.
Click again on the current mode button, to return to moving mode.
The first table at window bottom present the list of reaches, these reaches are automatically named like "[source node] -> [destination nodes]". The second table present the list of nodes, there are also automatically named like "Node [ID]". But you can define your own name for nodes and reaches.
It's also possible to add or delete nodes and reaches with right-click on an item. In addition, you can disable reaches with right-click, in this case these reaches are displayed as grey and must be ignored at solver running.
Finally, if in moving mode you left-click on a reach, you selected this reach as the current reach. This reach is now displayed with a light blue (in the previous example, the reach "Node 2 -> Downstream 1" is the current reach).