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An Updating Production Line System for National Topographical Database at 1:50K of China Based on Digital Map Generalization : Volume Xxxix-b4, Issue 1 (31/07/2012)

By Zhao, R.

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Book Id: WPLBN0004016632
Format Type: PDF Article :
File Size: Pages 4
Reproduction Date: 2015

Title: An Updating Production Line System for National Topographical Database at 1:50K of China Based on Digital Map Generalization : Volume Xxxix-b4, Issue 1 (31/07/2012)  
Author: Zhao, R.
Volume: Vol. XXXIX-B4, Issue 1
Language: English
Subject: Science, Isprs, International
Collections: Periodicals: Journal and Magazine Collection, Copernicus Publications
Historic
Publication Date:
2012
Publisher: Copernicus Publications, Göttingen, Germany
Member Page: Copernicus Publications

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Li, X., Shang, Y., Chen, J., Wang, D., Ai, T., Zhao, R., & Wang, Z. (2012). An Updating Production Line System for National Topographical Database at 1:50K of China Based on Digital Map Generalization : Volume Xxxix-b4, Issue 1 (31/07/2012). Retrieved from http://community.worldlibrary.net/


Description
Description: National Geomatics Center of China, 28 Lianhuachixilu, Haidian, Beijing, 100830, China. This paper is focused on applying digital map generalization into the updating of geo-spatial database from large scale in the collaborative updating environment for SDI, an updating production line system for national topographical database at 1:50k of China is introduced. Based on the requirements analysis and review, we analyze the key factors for implementing updating geospatial data from large scale including technical and non-technical factors, followed by the general strategy of digital map generalization in practical production environment. In fact the most important factor is recognized that it is very difficult to establish generalization rules for production systems. We emphasized on this factor in our work and established a set of rules or constrains for scale topographical database updating 1:50k scaled data from 1:10k scaled data in a full digital environment mainly based on map specifications. Finally, the production line system structure is designed and the practical implementation is given.

Summary
AN UPDATING PRODUCTION LINE SYSTEM FOR NATIONAL TOPOGRAPHICAL DATABASE AT 1:50K OF CHINA BASED ON DIGITAL MAP GENERALIZATION

 

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