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Study of 2D & 3D Integrated Spatial Database Model Based on Rules

LI Jian-rong;Fuzhou Investigation and Surveying Institute;  
The high cost of 3D modeling,2D 3D system separation and other reasons,restricted the development and application of3 D GIS. through the depth development of City Engine CGA,this paper establish practically the 2D 3D integrated processing for spatial database based on rule,The results show that improve the efficiency of 3D data generating,and a better solution to the consistency problem of 2D 3D database,at Cangshan( District of Fuzhou City) 3D modeling project. Available for the relevant personnel of " digital city" reference.
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