| 摘要 |
Provided is a navigation system comprising a route searching server and a mobile terminal device. The mobile terminal device includes posture detecting means for detecting the posture of the mobile terminal device at the time when imaging means took a peripheral image, and image layout means for determining the display position of a guide route or a proceeding direction guide image on the basis of the posture of the mobile terminal device detected by the posture detecting means. The mobile terminal device stores the guide route distributed from the route searching server. In case the image layout means discriminates that the guide route is not contained in the peripheral image displayed in display means, drawing control means displays an imaging direction guide image for guiding the direction, in which the imaging means takes the image, on the peripheral image.
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