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http://dx.doi.org/10.9717/kmms.2011.14.6.835

Web-Based Distributed Visualization System for Large Scale Geographic Data  

Hwang, Gyu-Hyun (동국대학교 멀티미디어학과)
Yun, Seong-Min (동국대학교 멀티미디어학과)
Park, Sang-Hun (동국대학교 멀티미디어학과)
Publication Information
Journal of Korea Multimedia Society / v.14, no.6, 2011 , pp. 835-848 More about this Journal
Abstract
In this paper, we propose a client server based distributed/parallel system to effectively visualize huge geographic data. The system consists of a web-based client GUI program and a distributed/parallel server program which runs on multiple PC clusters. To make the client program run on mobile devices as well as PCs, the graphical user interface has been designed by using JOGL, the java-based OpenGL graphics library, and sending the information about current available memory space and maximum display resolution the server can minimize the amount of tasks. PC clusters used to play the role of the server access requested geographic data from distributed disks, and properly re-sample them, then send the results back to the client. To minimize the latency happened in repeatedly access the distributed stored geography data, cache data structures have been maintained in both every nodes of the server and the client.
Keywords
Geographic Data; Web Based Visualization; Java OpenGL(JOGL); Distributed/Parallel Processing; PC Cluster; Cache Data Structures;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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