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《Editorial Board of Geomatics and Information Science of Wuhan University》 2004-06
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Scaleless Representations for Polyline Spatial Data Based on Wavelet Analysis

WU Fan 1 (1 Key Laboratory of Geographic Information System (Wuhan University), Ministry of Education, 129 Luoyu Road, Wuhan 430079, China)  
The key for scaleless representation of geo-spatial data is how to acquire the geographic information with different details at any scales dynamically and continuously. This paper presents a scaleless and consistent representation model for multi-scale geo-spatial data by using wavelet analysis, introduces how to acquire the geographic information at multiple integer scales based on this model and how to get the interim geographic information at the fractional scales between the adjacent integer scales by subjoining the details incrementally and dynamically so as to implement the scaleless representations for ployline feature of spatial data. Some examples are demonstrated.
【Fund】: 国家基础测绘科技计划资助项目 ( 14 69990 3 2 42 3 1)
【CateGory Index】: P208
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1 WANG Ming-chang~(1,2),GU Lan-ying~(1),WANG Yu~(1),LI Jian-ping~(3)(1.College of GeoExploration Science and Technology,Jilin University, Changchun 130026,China;2.Institue of Mineral Resources Appraisal of Synthetic Information,Jilin University,Changchun 130026,China;3.Northeast Institute of Geography and Agriculture Ecology,C A S,Changchun 130012,China);Study of Linear Elements Cartographic Generalization of Wavelet Analysis Method[J];Journal of Jiling University (Earth Science Edition);2005-S1
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