| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a program for a portable terminal apparatus, which can retrieve a moving route before actual movement in moving inside a building having a plurality of floors and enabling a user to reach a goal through the shortest route. <P>SOLUTION: The program for the portable terminal apparatus which is used for moving inside a virtual three-dimensional space expressing a building having a plurality of floors in each of which a plurality of objects are arranged and displaying a state observed from user's eyes on a moving destination on a display part included in the portable terminal apparatus as a three-dimensional image, allows a computer to execute a moving step for moving a visual point, a conversion step for converting the virtual three-dimensional space into camera space based on the visual point on the moving destination, a specification step for specifying an object existing on an upper floor or a lower floor than the visual point of the moving destination, and a display step for visually displaying the object existing in the visual field range observed from the visual point on the moving destination and the specified object. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
