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Expand1. Create two link boundary condition arcs.
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- Create two feature arcs representing inflow and outflow locations of the link. Often these connect otherwise disconnected portions of a mesh.
Expand1. Create feature arcs, nodes and vertices.
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- In the Map module, create feature objects in the active coverage.
- Use the Create Feature Arc
tool to create arcs in the map coverage.
- Begin creating a new arc by clicking in the Graphics Window at either arc end. If clicking on an existing feature node, vertex or arc, the new arc will snap to that object.
- Double-click or press the Enter key to terminate the arc.
- Use the Create Feature Node
tool to create additional nodes alone or to split arcs.
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Expand2. Modify arcs.
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- Feature arcs often need to be edited after initial creation.
Expand3. Split arcs.
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- An existing arc can be split by:
Expand3. Add a new connecting arc.
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- Use the Create Feature Arc
tool to start or end a new arc on an existing arc to split the existing arc into two arcs.
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Expand2. Assign link boundary conditions.
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- Using the Select Feature Arc
tool, select both link arcs.
- Right-click and select the Assign Linear BC... command.
- In the SRH-2D Linear BC dialog, assign the link boundary conditions specifying the inflow and outflow arcs along with the inflow type and link lag method.
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