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SYSTEMS AND MEHTODS FOR ANNOTATING PAGES OF A 3D ELECTRONIC DOCUMENT

  • US 20100011281A1
  • Filed: 07/17/2009
  • Published: 01/14/2010
  • Est. Priority Date: 12/16/2004
  • Status: Abandoned Application
First Claim
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1. A method for annotating a three-dimensional page of a three-dimensional electronic document, comprising:

  • displaying the three-dimensional page of the electronic document;

    receiving, via an annotation tool, an indication of an area of the three-dimensional page to be annotated;

    annotating a layer corresponding to the three-dimensional page, by marking the area of the three-dimensional page specified by the annotation tool, the layer being represented by a three-dimensional geometry; and

    displaying an annotation corresponding to the specified area, wherein the annotation is displayed in a layer formed behind a near clipping plane of a virtual camera frustum.

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