| 摘要 |
<p>A method for editing shapes which can move and copy a shape easily and rapidly. A product is displayed on the screen of a display (14). The part to be moved or copied of the shape of the product and one of the shape elements constituting the shape part are selected with a cursor successively. Then, four arrows, representing the tangential and normal directions of the selected shape element respectively, are displayed on the screen. Also, the desired direction of movement of the shape part is selected by specifying an arrow on the screen with the cursor, and the desired quantity of movement is inputted via the keyboard (13). Then, a converting matrix which moves the shape part in the desired direction by the desired quantity, or copies the shape part to a place where the shape part is to be moved is determined. According to the converting matrix and the shape data which represents the shape part to be moved or copied, new shape data is calculated by a processor (10). The new shape data represent the shape part after moving or a shape part to be generated newly. Then, according to the new shape data and the shape data, which represents the shape part other than the shape part to be moved or copied or represents the whole of the shape of the product, the movement or copy of the shape is performed. <IMAGE></p> |
