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dc.contributor.authorHesse, Michael
dc.contributor.authorGavrilova, Marina
dc.contributor.editorSkala, Václav
dc.identifier.citationWSCG ’2003: Short papers: The 11-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2003, 3.-7, p. 61-68.en
dc.description.abstractThe paper is concerned with investigation of effects of culling techniques on quality and smoothness of terrain data visualization within a 3D interactive environment. We utilize the Real-Time Optimally Adapting Mesh (ROAM) approach, extended with a number of efficient techniques such as implicit coordinates method within the patch array representing ROAM and the viewpoint dependent triangle rendering method for dynamic level of detail (LOD) updates. The method, which allows dynamic and interactive first person view, is combined with the View Frustum culling, the Backface culling and an original Relational Position Culling. Standard error metrics are used to verify the rendering consistency. The experimentation is conducted on two data sets representing simple gradual contour changes (Susanville, California) and complex steep contour changes (Kluane National Park, USA). Based on the results, applicability of each of the culling techniques to terrain model is discussed.en
dc.format8 s.cs
dc.publisherUNION Agencyen
dc.relation.ispartofseriesWSCG ’2003: Short papersen
dc.rights© UNION Agencycs
dc.subjectreal-time vykreslovánícs
dc.subjectořezávací technikycs
dc.subjectterénní datacs
dc.subjectvizualizace datcs
dc.subjectgeografické informační systémycs
dc.titleA Quantitative Analysis of Culling Techniques for Real-time Rendering of Digital Elevation Modelsen
dc.typekonferenční příspěvekcs
dc.subject.translatedreal-time renderingen
dc.subject.translatedculling techniquesen
dc.subject.translatedterrain dataen
dc.subject.translateddata visualizationen
dc.subject.translatedgeographical information systemsen
Appears in Collections:WSCG '2003: Short papers

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