The study of geospatial data extraction based on MicroStation
Geospatial data extraction, which extracts geometric information and attributes information from the graphical data file, attributes database to binary point, line, surface storage format to form an intermediate file. According to the software demand the middle point of the document line elements are separated and stored in accordance, then the elements are placed in corresponding layers. In essence, geospatial data extraction is actually the inverse process for geospatial data symbolization. In the digital map production, it both meet the meeds of hard-copy map (such as map printing, plotter output etc.), but also meet the geospatial geographic data warehousing, data format conversion and other demands. The realization of geospatial data extraction in MicroStation is analyzed and the implement methods are given in this paper.
geospatial data extraction MicroSttation DGN
Zhu Rui Sun Qun Xiao Qiang An Xiao-ya Zhou Bin
Institute of Surveying and Mapping, Information Engineering University,ZhengZhou,China 61512 Troops, Institute of Surveying and Mapping,Information Engineering University,ZhengZhou,China Information Engineering University,ZhengZhou,China
国际会议
The 2nd IEEE International Conference on Advanced Computer Control(第二届先进计算机控制国际会议 ICACC 2010)
沈阳
英文
104-107
2010-03-27（万方平台首次上网日期，不代表论文的发表时间）