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The Research on 1∶50,000 Map Database Construction by Computer Generalization

Author: GuoBaoChen
Tutor: AiTingHua
School: Wuhan University
Course: Cartography and Geographic Information Systems
Keywords: Digital map Map generalization Interactive comprehensive Spatial data infrastructure construction Multi-scale map database
CLC: P283
Type: Master's thesis
Year: 2005
Downloads: 158
Quote: 1
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Abstract


The the 1:50,000 map database of the computer integrated is an important content of China NSDI building , heavy workload , the task is arduous , need the effective support of the comprehensive map theory , and the need for efficient high-quality a good computer map software to get rid of the previous full handmade comprehensive plight . In order to solve the above problem , on the basis of the map database project carried out in this study. In this study, the main contents include the following: Map theoretical research , such as interactive integrated , multi-scale spatial database theory ; use DoMap map downsizing software 1:50000 map database of the basic strategies and technology solutions , including computer integrated environment for integrated implementation and comprehensive inspection and evaluation ; DoMap map integrated software in the integrated process improvement and expansion of comprehensive functions , data management function , map generalization operator algorithm validation , as well as the relevant parameters adjustment. Enhance the efficiency of software research . Above , this study on the basis of practice innovative a practical map drawdown strategy and new technology roadmap DLG construction . I believe that has important implications for the smooth development of China in the future NSDI building .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Cartography ( Cartology ) > Map compilation
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