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Fast and efficient rendering system for real-time terrain visualisation

机译:快速高效的渲染系统,用于实时地形可视化

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摘要

This paper presents an efficient technique for real-time non-photorealistic three-dimensional terrain visualisation from the digital elevation model. The method is primarily based on an improved version of the Real-time Optimally Adapting Mesh (ROAM) that boosts performance by improving the rendering speed, enhancing the visual continuity and reducing large frame rate variances. We outline how to achieve better detail and continuity and yet maintain the high efficiency and speed of the visualisation. We also integrate a Geo-morphing technique to eliminate visual discontinuity due to the refinement of ROAM. Based on the proposed methodology, the Geo-morph terrain visualisation system was created. Experimental results confirm striking improvement in the rendering efficiency and visual continuity, while preserving important features of the terrain (such as sharp peaks and valleys).
机译:本文提出了一种有效的技术,用于从数字高程模型进行实时非真实感的三维地形可视化。该方法主要基于实时最佳自适应网格(ROAM)的改进版本,该版本通过提高渲染速度,增强视觉连续性并减少较大的帧速率差异来提高性能。我们概述了如何实现更好的细节和连续性,同时又保持可视化的高效率和速度。我们还集成了地理变形技术,以消除由于ROAM的改进而造成的视觉不连续性。基于提出的方法,创建了Geo-morph地形可视化系统。实验结果证实了渲染效率和视觉连续性的显着提高,同时保留了地形的重要特征(例如尖锐的峰谷)。

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