|
|||||
|
|
| 专题地图自动成图方法探讨 | |
| 引用本文： | 刘新贵,马小青,赵炅,李丽.专题地图自动成图方法探讨[J].北京测绘,2011(1):18-20. |
| 作者姓名： | 刘新贵 马小青 赵炅 李丽 |
| 作者单位： | 1. 信息工程大学测绘学院,河南,郑州,450052 2. 66240部队,北京,100042 3. 72946部队,山东,淄博,255020 |
| 摘 要： | 专题地图是用于强调表示特定要素或概念的地图.每幅专题地图都由两个主要的要素组成:地理底图和专题要素.对于专题数据,采用数学方法和统计方法进行预处理,根据用户要求和知识库的参与,确定相应的数学模型,在此基础上,联接相应的专题符号库,实现专题迭加.因此,专题地图的自动制图实现,是在数据库,模型库,符号库的相互制约下,通过它... |
| 关 键 词： | 专题地图 数据库 模型库 知识库 专题符号库 |
The Realization of Automatic Thematic Mapping |
|
| LIU Xin-gui Ma Xiao-qing zhao Jiong.The Realization of Automatic Thematic Mapping[J].Beijing Surveying and Mapping,2011(1):18-20. | |
| Authors: | LIU Xin-gui Ma Xiao-qing zhao Jiong |
| Institution: | LIU Xin-gui1 Ma Xiao-qing2 zhao Jiong3(1.Institute of Surveying and Mapping,Zhengzhou,Henan,450052 China,2.66240 Group,Beijing,100042 China,3.72946 Group,Zibo Shandong,255020,China) |
| Abstract: | Thematic map emphasizes on the given map elements or concepts.Every thematic map is consisted of the geographic map and the thematic overlay.In order to realize the automatic thematic mapping,firstly the geographic database and the thematic database must be built.For the geographic data,the attribute information and the symbol code tables are made use of to link the database and the symbol software.After symbolization,geographic map is shaped,as provides the locate information.For the thematic data,after da... |
| Keywords: | thematic map geographic database thematic database models pool knowledge database thematic symbol pool |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |