Verification device for an effective visual field, method for verifying the effective visual field, and programming medium for verifying the effective visual field

摘要

A verification device of an effective visual field range of a display takes into account a use environment. The device includes a composing unit composing a use environment related to a verifying object of a displaying device in a virtual three-dimensional space of a computer, taking into account the use environment thereof, a setting unit setting an effective visual field of a verifying object of the displaying device by the use environment composed by the composing unit, and a display displaying visually the effective visual field set by the setting unit as an effective visual field on the displaying screen.