NDLI: Attribute based interfaces for geometric modeling

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Attribute based interfaces for geometric modeling

Content Provider	ACM Digital Library
Author	Park, Hwajin Sowar, Dick Gao, Kun Rockwood, Alyn
Abstract	Computer Gaming has some unique modeling needs not anticipated with the traditional modeling techniques that evolved in CAD/CAM or animation. Real-time display, economical data base, novice user interaction, collaborative design, cost effective animations and tight polygon count are examples of modeling needs that are desirable in all graphics environments, but they gain added emphasis in gaming. Mathematical and topological specifications, however, often impede the preceding facilities. B-spine surface modeling (NURBS) is the current convention. It requires a rectangular arrangement of surface patches that create large databases and costly evaluations while imposing a heavy burden on the uninitiated designer because they do not always fit the natural configuration indicated by the object. We describe a new design method, FreeDimension, which enables freely designable topologies by incorporating multisided surface patches and curve T-junctions. It fosters design by allowing one to focus on the feature curves of the object, while eliminating curves that only exist due to the underlying mathematics. We also describe the efficiency of FreeDimension in computation and storage, which makes this method attractive for interactive and collaborative applications.
Starting Page	107
Ending Page	112
Page Count	6
File Format	PDF
ISBN	1595933867
DOI	10.1145/1183316.1183332
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2006-07-30
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Collaborative design Conceptual design Multi-sided patches
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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