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寻求一种方法解决影响区拆分或合并后新OD表的生成问题。其基本思路为:在小区 合并时,合并后小区的生成、吸引量为合并前各个小区各自生成、吸引量之 和;在拆分一个影响区时,拆分后每个小区的生成、吸引量按其与拆分前小区的人口、 GDP的比例求得,然后,利用重力模型求出任意两个小区间的发生、吸引量。
Find a way to solve the problem of generation of new OD tables after zone splitting or merging. The basic idea is as follows: When the residential area is merged, the generation and the attraction of the combined residential area are the sum of each generation and attraction of each residential area before the merger. When an area is split, the generation and attraction of each residential area after the split According to the ratio of population and GDP before the plot, the gravity model is used to calculate the occurrence and the attraction of any two small areas.