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A Study on Remote Dynamic Visual Service for Spatio-temporal Process of Marine Scalar Field

LIU Wenliang1,2,3,SU Fenzhen2,DU Yunyan2(1.Institute of Remote Sensing Applications,CAS,Beijing 100101,China;2.Institute of Geographic Sciences and Natural Resources Research,CAS,Beijing 100101,China;3.Graduate University of Chinese Academy of Sciences,Beijing 100049,China)  
With the exponential increase of marine remote sensing data and their retrieval productions,it has been an urgent requirement for marine information services to dynamic visual express,query and analyze the marine spatio-temporal process through the Web.Based on the analysis of the resent network visualization technologies for the massive data and the characteristics of spatio-temporal process of marine scalar field,this paper discusses the network visual expression for point process and polygon process of marine scalar field.A new method to realize the remote realization for the marine spatio-temporal process has been proposed here and a prototype system has been set up to visualize the sea surface temperature(SST)of Taiwan Strait through the Web.In this prototype system,some functions were accomplished,such as the value query in the whole process and the process curve drawing of any random point in the SST field,the visual analysis for the polygon process in the SST field.
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