Established the landform model by distance power inverse ratio method and fractal interpolation algorithm.
利用距离幂反比法加分形插值算法建立了地形模型。
Studied three kinds of grade modelling methods that are polygon method, distance power inverse ratio method, kriging method, and presented their computational formula.
研究了多边形法、距离幂反比法以及克立格法三种品位建模方法，并且给出了三种建模方法的计算公式。
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