阴影绘制算法的真实感和实时性之间的矛盾，是计算机图形学和虚拟现实技术目前所要解决的一个基本难题。
The contradiction between the realistic and real-time of the shadow rendering algorithm has been a fundamental and difficult problem in computer graphics and virtual reality technology.
提出了一种利用阴影映射技术的实时软阴影生成算法。
This article present an image space method to generate soft-edged shadows using shadow mapping.
真实感3维可视化技术是数字城市的关键技术之一，随着CPU和GPU能力的不断增强，使得实时的真实感阴影得到广泛的应用。
Realistic 3d visual technology plays a key role in digital city and the real-time realistic shadow is widely applied as the CPU and GPU is enhanced.
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