| 摘要 |
There is provided a picture-forming device which is capable of easily drawing an arrow having a desired shape on a display screen of a display device, such as a CRT. The picture-forming device is capable of setting a basic shape of an arrow to be used in picture-forming. The basic shape of the arrow set is stored. When arrow display conditions indicative of a position, a direction, and a length of the arrow are entered via the display screen, data of the basic shape of the arrow and data of the arrow display conditions are synthesized, to display an image data thus synthesized, on the display screen.
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