An apparatus and method are disclosed for use in a device, such as a handheld printer or scanner, having functionality that requires information of {HEAD ~ its position} relative to an origin and {TAIL ~ initial orientation} 
An apparatus and method are disclosed for use in a device , such as a handheld printer or scanner , having functionality that requires information of { HEAD ~ its position } relative to an origin and { TAIL ~ initial orientation }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL