| 摘要 |
PROBLEM TO BE SOLVED: To effectively select displayed objects within a display range without increasing the selection processing burden. SOLUTION: This device includes an arithmetic processing part 20 which calculates the position information and visual point information on displayed objects, a space information storage part 30 which stores the position and size information on the displayed objects, a pre-clipping means 40 which selects the displayed objects to be composite into an image, an image compositing part 80 which composed the images to be shown at a display part 100, and an image information storage part 90 which stores the image information on the displayed objects. The means 40 contains the memories 72, 74 and 76 classified by sizes register the display information for every size, and a displayed object register part 50 which registers the displayed object information in the memories 72 to 76, and the information on the objects to be displayed are selected out of the memories 72 to 76. |
