Nodes
Nodes are the connection points in the structure.

Input
Nodes can be entered in two ways:
- Graphically - Click in the drawing area to place a node
- Numerically - Enter the x and z coordinates via the table
Properties
- Node number - Unique number for each node
- X-coordinate - Position in x-direction
- Z-coordinate - Position in z-direction
- Local coordinate system - Optional rotated coordinate system
Editing
- Double-click on a node to change its properties
- Drag a node to move it