城市规划 模型总步骤：
首先确定其组成的主要元素：元胞、元胞空间、元胞状态、元胞邻域及转变规则
分析模拟城市空间结构；
确定模型的参数：繁殖参数、扩散参数、传播参数及受规划约束参数
确定模型所需元胞转换规则的定义
进行城市发展模拟。(Total steps of urban planning model:
First, determine the main elements of its composition: cellular, cellular space, cellular state, cellular neighborhood and transformation rules
Analysis and Simulation of urban spatial structure;
Determine the parameters of the model: propagation parameters, diffusion parameters, propagation parameters and planning constraint parameters
Defining the definition of cellular transformation rules for the model
Carry out the simulation of urban development.)