INFORMATION DISPLAY DEVICE, INFORMATION DISPLAY SYSTEM, AND COMPUTER PROGRAM PRODUCT

摘要

An information display device of an embodiment includes: a storage unit that stores the image data in association with information of the image data; a retrieval condition receiving unit that receives an input of a retrieval condition; a retrieval unit that retrieves the image data from the storage unit according to the received retrieval condition; a display control unit that displays an entire image representing an entire range in which the retrieved image data is distributed on a client terminal; and an operation receiving unit that receives an operation of an input unit by a user on a screen on which the entire image is displayed. The display control unit extracts the image data included in a range represented by a locus formed by an operation of the input unit, and displays the extracted image data on the client terminal together with the entire image.