sign convection of truss forces

[CKDDIZ]

hello.

truss calculation, forces results with opposite sign. I dont know if I m doing smth wrong, or do I have to change the convection sign of the forces, How to do that?

Thanks

[Rafal.Gaweda · Accepted solution]

http://docs.autodesk.com/RSA/2013/ENU/filesROBOT/GUID-D1195F2E-6310-4DF6-BE1E-DCCD2A0D121E.htm?highl...

You can not change sign convention.