Abstract: Repositionable self-adhesive giftwrap for decoratively wrapping an article and methods for manufacturing the same are disclosed. In embodiments, the giftwrap includes a substrate sheet having a first surface and a second surface. A decorative ink layer is applied to the first surface and a release coating layer is applied to the first surface over the decorative ink layer. The decorative ink layer resides between the substrate sheet and the release coating layer. Further, the giftwrap includes an adhesive layer applied to the second surface of the substrate sheet that is configured to adhere the giftwrap to the article. The release coating layer allows the adhesive layer of the second surface to be removed from the release coating layer of the first surface without removing portions of the decorative ink layer where the giftwrap overlaps and where the adhesive layer of the second surface of a portion of the substrate contacts release coating of the first surface of another portion of the substrate.

Abstract: A method and system for constructing and visualizing color gamuts allows the color gamut of a ink system with more than four colors to be constructed from a plurality of color data points for colors printed with the ink system. The color data points are put in an additive color space, such as the CIE-XYZ space, and a convex hull is constructed from the color data points. The convex hull is then transferred from the additive color space into a corresponding solid object in a psychometric color space, such as the CIE Lab color space. The solid object represents the color gamut of the ink system and can be displayed as a 3-D object for visualization of the color gamut. The volume of the color gamut can be calculated for comparing with other gamuts. Two or more color gamuts can be displayed together to contrast the differences between them.