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Detail-in-context lenses for digital image cropping, measurement and online maps

  • US 8,120,624 B2
  • Filed: 02/09/2009
  • Issued: 02/21/2012
  • Est. Priority Date: 07/16/2002
  • Status: Expired due to Term
First Claim
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1. A tangible computer-readable media device comprising instructions stored thereon that, in response to execution by a system, causes the system to perform operations comprising:

  • defining a line segment between geographic locations on an image of a digital map; and

    distorting the image to give an appearance of a lens in response to the defining of at least one end of the line segment, the appearance of the lens including;

    a focal region having a magnification of at least a portion of the line segment; and

    a base region that surrounds the focal region and that includes a magnification that provides a continuous transition from the magnification of the focal region to the image.

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