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Multi-scale Represent of Spatial Data Based on SVG
Author(s): 
Pages: 45-47,50
Year: Issue:  3
Journal: HYDROGRAPHIC SURVEYING AND CHARTING

Keyword:  地理信息系统可缩放矢量图多尺度表达空间数据;
Abstract: 基于空间数据格式的多异性和兼容性较差的特点,以及地理空间数据互操作的要求,分析了空间数据的多尺度的特征,提出基于可缩放矢量图(SVG)文件格式组织空间数据,对不同分辨率的空间数据采取分级表达,并描述不同尺度空间数据的关联关系.
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