A computer implemented method of mapping values of source pixels s) of a source image 2 onto target pixels t) of a target image 4. The solder-bearing component includes any number of different types of components where a solder mass is held thereby, e. In the motorway mode, the shaded region changeover means does not block the high light intensity region, and the deflection control means controls deflection of the lamp optical axis to a host vehicle lane side.