1. A method comprising: presenting on a display at least one view of a representation of a stimulation region and a first field shape group; presenting on the display an implementation toolbar having at least one implementation icon that controls how stimulation therapy is changed in a time domain from the at least one first field shape group to at least one second field shape group; receiving input defining the at least one second field shape group from a user; and receiving control input from the user via the implementation toolbar that defines the change from the at least one first field shape group to the at least one second field shape group in the time domain.