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A “Raster -Vector” Integrated Approach
Lina Huang,Bin Zheng #,Lifan Fei *
School of Resoure and Environmential Science
*Correspondence author
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Funding: none
Opened online:10 March 2008
Accepted by: none
Citation: Lina Huang,Bin Zheng,Lifan Fei.A “Raster -Vector” Integrated Approach[OL]. [10 March 2008] http://en.paper.edu.cn/en_releasepaper/content/19145
 
 
Since vector approach can be applied for accurate geo-processing, while raster approach is suitable for spatial analysis, the integration of raster and vector approaches has been studied for years. This paper attempts to advance a combined approach for geographic feature retrieve in a mechanism so called “raster: relation-vector: entity” combined approach. That is, using a “dimension-plus”relational raster, the topological information is examined within a foreseeable raster index time by reducing the need of calculating exact geometry of spatial objects. Such topological information is in turn to vector organization. Hence the complex geometric objects can be reconstructed using vector data within minimal time consumption. This research realizes the recognition and the rebuild of spatial entities described in geometric and semantic information based on vector data.
Keywords:Raster Matrix; Vector; Object Identity; Feature Retrieve; Digitization
 
 
 

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