We study a lot of classic algorithm about the large-scale complex scenery. In this case, we bring about an advanced volumetric rendering algorithm to render the scene.

本文研究了大量复杂场景绘制的经典算法，并在前人研究成果的基础上，提出改进的体纹理算法，实现了大规模草地的实时绘制。

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And we have realized the algorithm whose rendering speed is independent of the complexity but only deponds on the resolution and other parameters of the volumetric texture.

本文算法的绘制速度只与体纹理分辨率等参数有关而与模型的几何复杂度无关。

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Objective To describe a spatial data structure called sorted volumetric data structure which speeds up the volume rendering and will not affect image quality.

本文提出一种称为有序体数据的空间数据结构，它可以有效地加速体绘制而对图像质量没有影响。

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