We present an algorithm for compositing density clouds used to represent scalar fields on a 3d volume subdivided into tetrahedra.
提出了一种新的密度云图像合成算法，用于表现3d数据场的分布。
This paper introduces a topological simplification of 3d scalar fields for extracting water mass, and realizes the feature-based visualization.
针对庞大复杂的海洋数据流场，利用三维标量场的拓扑分析方法，对海洋目标水团进行提取，达到特征可视化的目的。
Visualization techniques for 3D scalar fields can be used to display constant value surfaces as well as to simulate transmission effect of X-ray.
三维标量场可视化技术不仅可以绘制等值面，而且可以模拟X线的透射效果。
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