方法各省在每个地级行政区划单位随机抽取3个县，每个县随机抽取1～3个行政村，全省总数不少于30个。
Methods In each province, 3 counties were selected at random in each prefecture, 1~3 villages were selected at random, total 30 village were selected.
利用河南省行政区界线图，借助GIS软件支持，分别计算了河南省地级市行政区边界的分维、紧凑度和放射状指数。
By using the map of city boundary of Henan province, the fractal dimension, the compact ratio and the radial index of the city boundary shapes are calculated by GIS soft.
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