Base Functions Form

Use the Base Functions form to specify the parameters for displaying plot functions of base shear and moment.

Choose the base functions to be displayed by checking the appropriate check boxes.

- Base Shear: The total force reaction on all the supports in the global direction, X, Y, Z.
- Base Moment: The total moment (overturning or torsional) on the supports of the structure about the global axis, X, Y, Z.

Click the OK button to complete the definition of the base plot function and return to the Plot Function form.
Define another function, or click the OK button to return to the Plot Function Trace Display Definition form. Refer to the Plot Functions topic for the additional steps required to display the base plot function.

Access the Base Functions form as follows:

Define a Time History function and a Time History Load case and run an analysis.
Click the Display menu > Show Plot Functions command to display the Plot Function Trace Display Definition form.
Click the Define Plot Functions button to display the Plot Functions form.
Select the Add Base Functions option from the Choose Function Type to Add drop-down list and click the Add Plot Function button, or highlight a previously defined base function definition and click the Modify/Show Plot button to display the Base Functions form.