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Method of providing visual continuity when panning and zooming with a map display

  • US 6,956,590 B1
  • Filed: 02/28/2001
  • Issued: 10/18/2005
  • Est. Priority Date: 02/28/2001
  • Status: Expired due to Term
First Claim
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1. A method for providing visual continuity when performing a panning operation with a map display on a display screen of a computing platform, the method comprising the steps of:

  • displaying a first map view of a first geographic area on the display screen of the computing platform, wherein the first map view is at a first scale;

    in response to a user'"'"'s operation of a user interface of the computing platform to perform a panning operation, displaying a second map view of a second geographic area on the display screen of the computing platform, wherein the second map view is at the first scale, and wherein the second geographic area includes a portion of the first geographic area and a portion not in the first geographic area;

    during several seconds immediately upon the displaying of the second map view, rendering a boundary line on the second map view, wherein the boundary line corresponds to a border between the portion of the first geographic area shown in the second map view and the portion of the second geographic area not in the first map view; and

    after the several seconds, causing the boundary line to disappear.

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