diff_two_theta(), diff_omega(), diff_chi(), ...

diff_two_theta()
diff_two_theta() = value
diff_chi()
diff_chi() = value
diff_phi()
diff_phi() = value
diff_omega()
diff_omega() = value
diff_mu()
diff_mu() = value
diff_gamma()
diff_gamma() = value
diff_delta()
diff_delta() = value
fc_two_theta()
fc_two_theta() = value
fc_chi()
fc_chi() = value
fc_phi()
fc_phi() = value
fc_omega()
fc_omega() = value

Moves to/returns the diffractometer angles.

e.g.:
* = diff_two_theta()
diff_two_theta() = 1.5

Note that there is the command move/diff_two_theta=.../diff_phi=... which moves the diffractometer angles simultaneously.