Title: | Error-bounded GPU-supported terrain visualisation |
Authors: | Löffler, Falko Rybacki, Stefan Schumann, Heidrun |
Citation: | WSCG '2009: Communication Papers Proceedings: The 17th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision in co-operation with EUROGRAPHICS: University of West Bohemia, Plzen, Czech Republic, February 2 - 5, 2009, p. 47-54. |
Issue Date: | 2009 |
Publisher: | Václav Skala - UNION Agency |
Document type: | konferenční příspěvek conferenceObject |
URI: | http://wscg.zcu.cz/WSCG2009/Papers_2009/!_WSCG2009_Short_final.zip http://hdl.handle.net/11025/11081 |
ISBN: | 978-80-86943-94-7 |
Keywords: | grafické procesory;vykreslování;projektivní mřížka;míra detailu;terén |
Keywords in different language: | graphic processing units;rendering;projective grid;level of detail;terrain |
Abstract: | The interactive visualisation of digital terrain datasets deals with their interrelated issues: quality, time and resources. In this paper a GPU-supported rendering technique is introduced, which finds a tradeoff between these issues. For this we use the projective grid method as the foundation. Even though the method is simple and powerful, its most significant problem is the loss of relevant features. Our contribution is a definition of a view-dependent grid distribution on the view-plane and an error-bounded rendering. This leads to a better approximation of the original terrain surface compared to previous GPU-based approaches. A higher quality is achieved with respect to the grid resolution. Furthermore the combination with an error metric and ray casting enables us to render a terrain representation within a given error threshold. Hence, high quality interactive terrain rendering is guaranteed, without expensive preprocessing. |
Rights: | © Václav Skala - UNION Agency |
Appears in Collections: | WSCG '2009: Communication Papers Proceedings |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Loffler.pdf | Plný text | 1,43 MB | Adobe PDF | View/Open |
Please use this identifier to cite or link to this item:
http://hdl.handle.net/11025/11081
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.