Real-time predefined shape cutaway with parametric boundaries

G. J. Clapworthy, R. H. Liang, M. Krokos, R. Mayoral

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Cutting away part of a 3D outer surface to show some interior objects hidden beneath if can play an important role in visualization and technical illustration. Previous work includes cutaway using rules and Alpha blending employed to achieve an appearance of cutaway drawings. These methods have mainly aimed at showing the presence of the interior objects, and the shape of the hole has been considerably less important than the visibility of the interior objects. However, in some applications, it may be important for the shape of the hole to have particular properties. Our example comes from orthopaedic surgery and the shape of the aperture should represent the shape of the incision made by the surgeon when retractors are applied to it to give access to the tissue beneath. In this paper, we propose a novel approach to cutting a hole of a specific shape in a surface consisting of a 3D polygonal mesh. The user first defines the required shape on the surface; the algorithm then superimposes the shape on the surface and implements the cutaway. Jittering problems associated with the boundary generated by the above steps are resolved and experimental results demonstrate the efficiency of the algorithm.
Original languageEnglish
Title of host publicationProceedings of the International Conference on Computer Graphics, Imaging and Vision: New Trends, 2005
PublisherIEEE
Pages227-231
Number of pages5
ISBN (Print)0-769523927
DOIs
Publication statusPublished - 24 Oct 2005
Event2005 International Conference on Computer Graphics, Imaging and Visualization (CGIV 2005) - Beijing, China
Duration: 26 Jul 200529 Jul 2005

Conference

Conference2005 International Conference on Computer Graphics, Imaging and Visualization (CGIV 2005)
Country/TerritoryChina
CityBeijing
Period26/07/0529/07/05

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