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《Science of Surveying and Mapping》 2009-05
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A relief factor oriented illumination model

ZHANG Wei-wei,YOU Xiong,SONG Guo-ming(Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China)  
This paper analysised the strongpoints and shortcomings of Lambert light model and aspect-based shading in digital relief shading using experiment.The reason of experiment outcome was discussed.A new light model oriented slope,aspect and elevation was introduced.It made an experiment on this new light model using a pyramind model which slope increased with elevation and two kinds of DEM data which are differently in terrein characteristic with each other.It was concluded that this new light model could overcome effectively the drawbacks of Lambert model and aspect-based shading.
【CateGory Index】: TP391.41
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【Citations】
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【Co-citations】
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1 WANG Yu-tian,KONG De-hui,YIN Bao-cai,WANG Wen-dong (Beijing Municipal Key Lab of Multimedia and Intelligent Software Technology, College of Computer Science and Technology, Beijing University of Technology, Beijing 100022, China; College of Information Technology, Qufu Normal University, Rizhao, Shandong 276826, China);Realization of Virtual Campus Cruise System[J];Journal of Beijing University of Technology;2006-04
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