Nodes are points in space which specify the location of features such as members, plates, loads, and supports.
Nodes are added using x, y, z coordinates. Users can be enter nodes via a form or a datasheet. They are represented as a blue dot on the main graph, and have a node number assigned to the upper right of the node.
Nodes cannot be free; they must be connected to at least one member or plate for the code to solve successfully.
To use nodes to specify the location of these features simply: