4. The system of claim 1 , wherein the gestural interface is constructed to detect a first pose of the object and activate a pushback interaction in response to the detection of the first pose.
4. The system of claim 1 , wherein the gestural interface is constructed to detect a first pose of the object and activate a pushback interaction in response to the detection of the first pose. 5. The system of claim 4 , wherein the gestural interface is constructed to: record a first location at which the first pose is entered, wherein the first location is an absolute three-space location of the object in the coordinate space of the room; and set the first location as an origin, wherein subsequent detected object locations are reported as relative offsets to the origin.