Scope Angle calculates the instantaneous angle between two vectors that are defined by three points. For example, the user can use the angle scope to find the included angle between any two links without using the request function. The default unit for an angle scope is degree.
Figure 1 Angle Scope icon of the Scope group in the Analysis tab
Figure 2 Angle of Scope
The angle shown in Figure 1 is defined by following equation.
Where, displacements can be computed as follows.
Step to create a Scope Angle
1. Open the Scope Angle dialog box.
Figure 3 Scope Angle dialog box
2. Specify Name.
3. Define Start Marker, Center Marker and End Marker by using M.
4. Check Display.
5. Click OK.