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Interactive visualization of complex plant ecosystems

Oliver Deussen 1 Carsten Colditz 1 Marc Stamminger 2, 3 George Drettakis 4, 2 
2 iMAGIS - Models, Algorithms and Geometry for Computer Generated Image Graphics
GRAVIR - IMAG - Laboratoire d'informatique GRAphique, VIsion et Robotique de Grenoble, Inria Grenoble - Rhône-Alpes
4 REVES - Rendering and virtual environments with sound
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : We present a method for interactive rendering of large outdoor scenes. Complex polygonal plant models and whole plant populations are represented by relatively small sets of point and line primitives. This enables us to show landscapes faithfully using only a limited percentage of primitives. In addition, a hierarchical data structure allows us to smoothly reduce the geometrical representation to any desired number of primitives. The scene is hierarchically divided into local portions of geometry to achieve large reduction factors for distant regions. Additionally, the data reduction is adapted to the visual importance of geometric objects. This allows us to maintain the visual fidelity of the representation while reducing most of the geometry drastically. With our system, we are able to interactively render very complex landscapes with good visual quality.
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Oliver Deussen, Carsten Colditz, Marc Stamminger, George Drettakis. Interactive visualization of complex plant ecosystems. IEEE Visualization Conference (2002), Oct 2002, Boston, United States. pp.219-226, ⟨10.1109/VISUAL.2002.1183778⟩. ⟨inria-00606721⟩



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