To edit theoretical points, double-click the number of the desired point in the # column.
# column
This displays the Edit Theo Data dialog box. Use this dialog box to edit the X, Y, Z, I, J, K values. The dialog box’s title bar displays the ID of the point you are editing.
Edit Theo Data dialog boxes depicting Next, Previous, and Flip Vector buttons
Click the Next or Previous buttons to cycle between the theoretical points.
Click the Flip Vector button to flip the vector for the selected point.