Patent ID: 7982753

Claim:
A method for controlling an information display apparatus connected to a display unit for visually presenting information to a user, said method comprising: displaying within a first display region of said display unit an object in a virtual space defined by a viewpoint position and a field of vision which are set in said virtual space; displaying a frame with an original size whose original boundaries correspond with those of said first display region, wherein said display unit further comprises a second display region where an image data picked up by at least one image pickup device is displayed as a background image; accepting at least an operation of varying a position or a size of said frame, wherein the frame boundaries define the boundaries between the first and second regions; and updating the display content in said frame by varying said viewpoint position or the field of vision according to an end of said accepted operation on said frame, wherein: when said frame is scaled up or scaled down in response to said accepted operation on said frame, and after said operation is ended, said frame resumes its original size, and the viewpoint position moves according to the end of said accepted operation on said frame so that a size ratio of the object displayed within the scaled up or scaled down frame to the scaled up or scaled down frame is equivalent to a size ratio of the object displayed within the resumed original size frame to the resumed original size frame.