The method for controlling a digital device comprises the steps of acquiring at least one image data, wherein the image data includes a still image or moving picture image; extracting additional information of the acquired image data, wherein the additional information includes position information and time information of a recording device corresponding to actual time and location when the image data are recorded by the recording device; generating path information on a map related to the image data, on the basis of the additional information; and displaying a path of the image data on the map in a form of line on the basis of the generated path information, wherein the step of displaying the path includes dividing the path into one or more sections, and adjusting line thickness of the divided sections in accordance with amount of the image data according to a distance within the divided section.