theta: left-right plot rotation parameter in degrees
phi: up-down plot rotation parameter in degrees
inc: increment in degrees of plot rotations
lseq: number of cut points in v1 and in v2
ticktype: simple or detailed ticks on variables
diagnose: Logical. T causes printing of diagnostic content
verbose: Logical. T causes printing of program ID before and after running
Returns
Output is a plot that is rotatable via keyboard input. Upon exit, the latest values of the rotation parameters is listed to facilitate return to the latest plot