THREE-DIMENSIONAL IMAGE DISPLAY PROGRAM, MOBILE DEVICE SUCH AS CELLPHONE INCLUDING THREE-DIMENSIONAL IMAGE DISPLAY FUNCTION, AND DISPLAY METHOD FOR THREE-DIMENSIONAL IMAGE

摘要

PROBLEM TO BE SOLVED: To provide a three-dimensional image display program or the like for displaying, on a display of a mobile device such as a cellphone, a three-dimensional image wherein the display is virtually seen through.;SOLUTION: GPS information of a display object present around the mobile device is obtained from a map information server, and relative coordinates of each object based on the GPS information of the mobile device are stored as three-dimensional data. The three-dimensional data indicating a position of the object is converted correspondingly to an attitude of the mobile device obtained from three-axis acceleration values and a direction value, an inclination of the display to the ground is obtained from an acceleration of an axis perpendicular to the display of the mobile device, a viewpoint of a user to the object is moved upward correspondingly thereto, and the three-dimensional data are converted to expand a visual field when inclining the display toward the ground. By representing the attitude of the mobile device by a quaternion, efficiency of decision of a change of the attitude or calculation necessary for interpolation when changing the image is improved.;COPYRIGHT: (C)2011,JPO&INPIT