对于动态阴影， 常用的实时技术包括投射阴影纹理(projected shadow texture)， 模板阴影体(stencil shadow volume)和阴影映射(shadow mapping)。
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详细论述了基于模板阴影体算法矢量数据绘制的关键技术，并通过试验验证了该方法的有效性。
The key techniques of the rendering of vector data over 3d terrain based on stencil shadow volume algorithm are detailed and the effectiveness of this method is test-proven.
提出一种基于模板阴影体算法的矢量数据绘制方法，实现矢量数据在三维场景中的高质量实时叠加显示。
The key technique of vector data render based on stencil shadow volume is discussed and is proved by experiments.
该算法将阴影图和阴影体算法相结合，先通过阴影图绘制出阴影的轮廓，再利用阴影体算法更新轮廓处象素的模板缓冲值。
By combining shadow map, shadow volume and ray marching techniques, a new hybrid method is proposed for rendering of volumetric shadows under participating media.
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