| 基于地理实体编码的多尺度表达空间数据联动更新技术 |
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| 引用本文： | 应荷香.基于地理实体编码的多尺度表达空间数据联动更新技术[J].测绘与空间地理信息,2012(7):41-43. |
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| 作者姓名： | 应荷香 |
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| 作者单位： | 浙江省地理信息中心 |
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| 基金项目： | 浙江省地理空间数据交换和共享平台项目(浙发改高技[2008]353号)资助 |
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| 摘 要： | 基于浙江省地理空间数据交换和共享平台的多比例尺空间数据库的建设和频繁更新工作实践,突破传统的数据库更新模式,介绍利用地理实体编码、变化发现等实现多尺度表达空间数据联动更新的关键技术。
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| 关 键 词： | 地理实体编码 变化发现 增量更新 快速更新 交换共享 |
The Joint Update Technique of Multi-Dimension Spatial Data Based on the Coding of Geographic Entity |
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| YING He-xiang.The Joint Update Technique of Multi-Dimension Spatial Data Based on the Coding of Geographic Entity[J].Geomatics & Spatial Information Technology,2012(7):41-43. |
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| Authors: | YING He-xiang |
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| Institution: | YING He-xiang(Geographic Information Center of Zhejiang Province,Hangzhou 310012,China) |
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| Abstract: | Based on the practice of the construction and update of multi-scale spatial database on the basis of the platform of Zhejiang province geographic spatial data exchange and sharing,this paper breaks through conventional database update model,introduces the key technique of the joint update of multi-dimensional spatial data realized through geographic entity coding,variation discovery,and etc. |
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| Keywords: | geographic entity coding variation discovery incremental updating quick updating exchange and sharing |
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