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《地理空间信息》2014,(5):I0001-I0006
Data Extraction Technology of Land Cover Element in Geographic Conditions Census Based on FME by YU Yongsheng Abstract In this paper, the problems and deficiencies of land cover classification based on vector and raster overlay were analyzed under the Wuhan geographic conditions census project. The thematic elements extraction and processing technology for large scale topographic map data were proposed. The results show that this method can improve the efficiency and quality of land cover classification interprets, and show certain significance for carrying out the geographic conditions census. Key words geographic con ditions census, land cover classification, FME, data extraction (Page: 1 ) 相似文献
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《地理空间信息》2014,(6):I0001-I0006
Analysis and Application of Urban Geographical Conditions Statistics by LUO Minghai Abstract This paper summarized the basic methods of statistics and analysis, and introduced the main contents of the statistics and analysis research of Wuhan East Lake New Technology Development Zone. Key words geographical national conditions, statistics and analysis, urban surveying and mapping 相似文献
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城市地理空间基础数据应用模式的探讨 总被引:3,自引:3,他引:3
从国内目前城市地理空间基础数据建立、更新、维护、分发和应用现状入手,给出了城市地理空间基础数据应用模式建立的原则,以及基础数据应包括的内容和用户群的划分,提出了一套城市地理空间基础数据应用的具体模式。 相似文献