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URL: http://opus.kobv.de/ubp/volltexte/2009/3377/
Döllner, Jürgen ; Kirsch, Florian ; Nienhaus, Marc
Visualizing Design and Spatial Assembly of Interactive CSG
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Kurzfassung auf Englisch
For interactive construction of CSG models understanding the layout of a model is essential for its efficient manipulation. To understand position and orientation of aggregated components of a CSG model, we need to realize its visible and occluded parts as a whole. Hence, transparency and enhanced outlines are key techniques to assist comprehension. We present a novel real-time rendering technique for visualizing design and spatial assembly of CSG models. As enabling technology we combine an image-space CSG rendering algorithm with blueprint rendering. Blueprint rendering applies depth peeling for extracting layers of ordered depth from polygonal models and then composes them in sorted order facilitating a clear insight of the models. We develop a solution for implementing depth peeling for CSG models considering their depth complexity. Capturing surface colors of each layer and later combining the results allows for generating order-independent transparency as one major rendering technique for CSG models. We further define visually important edges for CSG models and integrate an image-space edgeenhancement technique for detecting them in each layer. In this way, we extract visually important edges that are directly and not directly visible to outline a model’s layout. Combining edges with transparency rendering, finally, generates edge-enhanced depictions of image-based CSG models and allows us to realize their complex, spatial assembly.
| RVK - Regensburger Verbundklassifikation | ST 230 | |
| Institut: | Hasso-Plattner-Institut für Softwaresystemtechnik GMBH | |
| DDC-Sachgruppe: | Informatik | |
| Dokumentart: | b Monographie | |
| Schriftenreihe: | Technische Berichte des Hasso-Plattner-Instituts für Softwaresystemtechnik an der Universität Potsdam | |
| Band Nummer: | 07 | |
| Sprache: | Englisch | |
| Erstellungsjahr: | 2005 | |
| Publikationsdatum: | 11.08.2009 | |
| Bemerkung: | In Printform erschienen im Universitätsverlag Potsdam: Kirsch, Florian: Visualizing design and spatial assembly of interactive CSG / Florian Kirsch ; Marc Nienhaus ; Jürgen Döllner. - Potsdam : Univ.-Verl., 2005. - 8 S. (Technische Berichte des Hasso-Plattner-Instituts für Softwaresystemtechnik an der Universität Potsdam ; 7) ISBN 3-937786-56-2 --> bestellen | |
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