粒子系统是一套新颖特殊的构造、绘制景物的方法。首先介绍 了粒子系统描述物体的过程，以及对粒子属性和生命周期的表达、控制原理，同 时简单地比较了正反向纹理映射方法的优缺点。分析了结合粒子系统和纹理映射 对火焰模拟的过程，以及在对火焰模拟实践中，为求达到实时性和真实感效果要 注意控制的因素。最后给出了作者已经实现了的模拟效果图。-Particle system is a new special construction, drawing landscape approach. Par

Watershed segmentation method is a topology-based theory of mathematical morphology segmentation method, the basic idea is the image as a geodesic topology on the landscape, the image pixel gray value of each point indicates that the point of the alt

fsdfđ gdWatershed segmentation method is a topology-based theory of mathematical morphology segmentation method, the basic idea is the image as a geodesic topology on the landscape, the image pixel gray value of each point indicates that the poin