Based on perceptual model,propose a system framework of crowd behavior rendering. The framework divided the system into four modules composed of scene processing,scene management,user interaction and rendering. The hierarchical structure designed in the framework is used to keep the independence of modules,which makes each module easy to modify,replace and expand,enhancing the flexibility of rapid development for rendering system. Towards the perception model of intelligent individual in crowd,propose some ide-as,to give the individual person's perception. Then,propose the basis crowd behavior of individual and describe the method to achieve the behavior. Some of the behavior is improved during achievement. Provide a method and idea for achieving the study of crowd animation technology and the development and realization of crowd animation system.% 基于感知模型，提出了一种针对群组行为模拟绘制系统的框架。将系统分离成场景处理、场景管理、用户交互、渲染绘制四个模块，设计了层次结构来保持模块之间的独立性，以便于各个模块的修改、更换和扩展，提高了绘制系统快速开发的灵活性。针对群组中智能个体感知模型的建立提出了一些构想，赋予个体拟人的感知能力；阐述了群组个体的基本行为，描述其具体实现方式，并对其中的一些行为做了适当的改进。为群组动画技术理论的研究以及群组动画系统的开发实现提供一种可以实践的方法和思路。
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