NDLI: Implicit Blends with an Individual Blending Range Control on Every Primitives Subsequent Blend

Content Provider	IEEE Xplore Digital Library
Author	Pi-Chung Hsu
Copyright Year	2006
Description	Author affiliation: Dept. of Inf. Manage., Fortune Inst. of Technol., Kaohsiung County (Pi-Chung Hsu)
Abstract	In implicit surfaces, implicit blends are important because they can be used to construct a complex surface from primitive surfaces. Among existing blends, blends with a blending range control are applied very wide because they can deform blended primitives locally after blending. However, this kind of blends usually behaves like a pure union blend $Min(f_{1},...,f_{k})$ on non-blending regions. Hence, when they are used as a new primitive in other blends, their primitives always have similar subsequent blending surfaces with the primitives in their subsequent blends. To solve this problem, this paper proposes new implicit blends that can provide parameters to individually adjust their primitives' subsequent blending surfaces, without deforming the original blending surfaces. The proposed blends can provide parameters $m_{1},...,m_{k}$ to enable their primitives f $_{1},...,f_{k}$ to behave like $Min(f_{1}/m_{1$ $},...,f_{k}/m_{k})$ on non-blending regions and its original blending surface does not change whatever positive values $m_{1},...,m_{k}$ are set. As a result, in sequential blends, the subsequent blending surfaces of $f_{1},...,f_{k$ can be adjusted respectively by varying parameters $m_{1},...,m_{k}.$ Furthermore, this paper also proposes a generalized method that can transform some of existing blends into a new blend with the ability stated above
Starting Page	534
Ending Page	541
File Size	525074
Page Count	8
File Format	PDF
ISBN	0769526063
DOI	10.1109/CGIV.2006.57
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-26
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shape control Implicit surfaces Blends. Computer graphics Information management
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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