STAAD.Pro Help

GS. To use Z as the vertical axis

To re-orient the global axis so that Z is vertical, use the following procedure.

You must close any open STAAD.Pro models in order change program configuration.
Note: Both options follow the "right hand rule."

Global axis orientation options in STAAD.Pro

Important: Not all STAAD.Pro features are compatible with Z UP orientation. Refer to SET { Y | Z } UP for additional details.
  1. On the Start page, select Configure. The Application Configuration dialog opens.
  2. On the General tab, select Z up in the Global Axis group.
  3. Click OK.
New models will use the Z up orientation of the global axis.
Tip: You can repeat this procedure except to select Y up to return to set Y as vertical.

Any input files which have the SET Z UP command will automatically use this orientation.