Structure:(Unit:m)
Truss Type:
Type One Type Two
Span L:       
Height H:   
Slope:         
Number of Half-Span Segments:  

Materials:(Unit:KN,m)
Element ID: --
Area:          
Elastic:       

Support:
Node ID:
Support type: hinge Rolling

Loads:
Node ID: --
Type: horizontal vertical
Magnitude: