To change the incidences of a selected set of beams,
use the following procedure.
Select one or more members in the view window.
Utilties ribbon tab, select the
tool in the Geometry Tools group.
Redefine Incidence dialog opens.
Select an incidence definition to use:
Switch incidences of
the incidence order of the seleted beams so that the start node is close to the
origin than end node
the incidence order of the seleted beams so that the start node is farther from
the origin than end node