Recorder for fiber elements

[ospinag]

Hi all... can anyone please let me know how to record output from fibers? Let's say, I want to read stresses and strains from selected fibers in the problem described in the MomentCurvature.tcl script (http://opensees.berkeley.edu/wiki/index ... re_Example). When I add the following lines to the script

recorder Element -file strs.out -time -ele 1 section 1 fiber 10.5 0.0 stressstrain
recorder Element -file defo.out -time -ele 1 section 1 fiber 10.5 0.0 deformation
recorder Element -file forc.out -time -ele 1 section 1 fiber 10.5 0.0 force

All 3 generated files show the same data. Suggestions?

Thanks in advance..!