SLEUTH model is a kind of CA, it is composed by four growth rules and five coefficients, in conjunction with the excluded layer and the slope layer, it can successfully model the urbanization.

• SLEUTH模型是元胞自动机模型的一种具体实现，它包含了四种城市增长方式和五个增长系数，再加上两个控制因素层一起作用于输入数据，能够较好地模拟城市的扩展。