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第一作者简介:靳海亮,讲师,博士生.主要从事GIS与数字城
市,地形三维可视化等研究,已发表论文2O余篇.
Email:jinhail@xznu.edu.cn
ResearchontheAlgorithmofExtractingRidgeandValley
LinesUsingContourData
JINHailiang2KANGJianrongGAOJingxiang2
(1DepartmentofTerritoryInformationandMappingEngineering,XuzhouNormalUniversity,29ShanghaiRoad.
TongshanxinDistrict,Xuzhou221116.China)
(2SchoolofEnvironment&SpatitalInformation,ChineseUniversityofMining&Techn0l0gy,Zhaishan,
QuanshanDistrict,Xuzhou221008.China)
Abstract:Inthispaper,theauthorputforwardsanbriefandpracticalarithmeticforautoex—
tractingterrainlinesfromdigitalterraindatabasedontheanalyzingandcomparingofcur—
rentarithmeticthatautoextractingterrainlinesfromdigitalterraindata.Attheendofthis
paper,theauthorgivesanexperimentresultthatshowsthattheridgeandvalleyextracted
bytheauthor’sarithmeticiSconcordtotheexperimentaIterrain.
Keywords:contourdata;ridgeIine:valleyIine
Aboutthefirstauthor:JINHailiang,lecturer,PhDcandidate.
HisresearchinterestsareGISanddigitalcity.3DterrainvisualizationandSO
onHehaspublishedalmost20papers
E—mail:iinhail@xznu.edu.cn
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