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METHOD AND DEVICE FOR VISUALIZING ON A TWO-DIMENSIONAL SCREEN A HIERARCHICAL INFORMATION STRUCTURE BASED ON NODES INTERCONNECTED BY EDGES, THROUGH FISHEYED REPRESENTATION OF NODES
METHOD AND DEVICE FOR VISUALIZING ON A TWO-DIMENSIONAL SCREEN A HIERARCHICAL INFORMATION STRUCTURE BASED ON NODES INTERCONNECTED BY EDGES, THROUGH FISHEYED REPRESENTATION OF NODES
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机译:通过节点的鱼眼表示在基于点互连的节点的二维屏幕上可视化层次信息结构的方法和设备
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摘要
For visualizing on a two-dimensional screen a hierarchical information structure that is based on nodes interconnectd by edges, first an actual root node is selected. The root node is visualized on the screen as a fisheyed representation of a root node block. Downstepping will at one or more next-lower hierarchical levels select a descendant node of the actual root node for display. At each downstepping the representation is divided along alternatingly at least a first and second coordinate direction into lower level visual slices, of which the selected descendant is placed in a central part of the fisheye. Finally, access is allowed to at least one node of the graph whose image is displayed within the actual fisheye.
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