| 摘要 |
An apparatus and method is disclosed for displaying a secondary layer of information in a graphical user interface where the second layer of information is revealed when a point on the circumference defined by radius "r" originating at the x,y coordinates of the cursor covers a point in a secondary content of the second layer. The circumference may be set to trigger appearance of secondary content gradually, all at once or to trigger the appearance of all secondary content in a predefined zone.
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