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Scalable and portable visualization of large atomistic datasets

机译:大型原子数据集的可扩展和便携式可视化

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A scalable and portable code named Atomsviewer has been developed to interactively visualize a large atomistic dataset consisting of up to a billion atoms. The code uses a hierarchical view frustum-culling algorithm based on the octree data structure to efficiently remove atoms outside of the user's field-of-view. Probabilistic and depth-based occlusion-culling algorithms then select atoms, which have a high probability of being visible. Finally a multiresolution algorithm is used to render the selected subset of visible atoms at varying levels of detail. Atomsviewer is written in C++ and OpenGL, and it has been tested on a number of architectures including Windows, Macintosh, and SGI. Atomsviewer has been used to visualize tens of millions of atoms on a standard desktop computer and, in its parallel version, up to a billion atoms.
机译:已经开发了一种可扩展且可移植的名为Atomsviewer的代码,以交互方式可视化包含多达十亿个原子的大型原子数据集。该代码使用基于八叉树数据结构的分层视图视锥剔除算法,以有效去除用户视野之外的原子。然后,基于概率和深度的遮挡剔除算法将选择具有高可见性的原子。最后,使用多分辨率算法以变化的细节级别渲染可见原子的选定子集。 Atomsviewer用C ++和OpenGL编写,并且已经在包括Windows,Macintosh和SGI在内的许多体系结构上进行了测试。 Atomsviewer已被用来在标准台式计算机上可视化数千万个原子,而在其并行版本中,它可显示多达十亿个原子。

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