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Method and apparatus for displaying and tree scrolling a hierarchical data structure

  • US 6,380,947 B1
  • Filed: 12/16/1999
  • Issued: 04/30/2002
  • Est. Priority Date: 07/22/1999
  • Status: Expired due to Fees
First Claim
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1. A method for displaying hierarchical data, the method comprising:

  • displaying a plurality of parent nodes within a first display area, each displayed parent node of the plurality of parent nodes having at least one child node;

    determining that at most one child node for each displayed parent node of the plurality of parent nodes is to be displayed;

    receiving a child node scrolling instruction;

    determining a child node display percentile based at least in part on the child node scrolling instruction;

    selecting one child node of each displayed parent node of the plurality of parent nodes based at least in part on the determined child node display percentile; and

    displaying each selected one child node of each displayed parent node of the plurality of parent nodes in a second display area, each displayed child node being displayed as associated with the displayed parent node of the displayed child node.

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