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《Developments In Surveying and Mapping》 2001-02
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Single Point Chang Surface Interpolation Containing Orientation in DEM

WU Sheng-lin①,ZHANG Xue-li②,Liu Wen-kai②(①Beijing Industry Professional Technical Insititute, Beijing 100042,China;②Jiaozuo Technical Institute, Jiaozuo 454100,China)  
DEM is one of the important results in modern surveying and mapping. Altitude interpolation is the key technical issue in DEM. In this paper, the method of single point chang surface interpolation containing orientation in DEM is studied, a more reasonable function with power is given out, a rapid and effective method which can define change surface through active search circle is also suggested.
【CateGory Index】: P231.5
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