超大规模地学数据多尺度并行抽取与远程可视化实现
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摘要
集中并行可视化与远程可视化的优点,提出远程数据抽取与并行可视化分析诊断方案.针对地学研究对象具有多尺度的特点,借助于多尺度、多分辨率数据抽取工具,建立了超大规模地学数据多尺度抽取算法以及并行实现算法;并以海啸数据为例,基于VTK软件实现海啸数据的多尺度显示.
In this paper we focus on advantages of the parallel visualization and remote visualization,and propose a new scheme: remote data extraction and parallel visualization analysis diagnosis.For the multi-scale feature of geological research objects,we establish a multi-scale extraction algorithm and corresponding parallel algorithm of large scale geological data with the aid of multi-scale and multi-resolution data extraction tools.Finally,we realize the multi-scale display of tsunami data based on VTK software.
In this paper we focus on advantages of the parallel visualization and remote visualization,and propose a new scheme: remote data extraction and parallel visualization analysis diagnosis.For the multi-scale feature of geological research objects,we establish a multi-scale extraction algorithm and corresponding parallel algorithm of large scale geological data with the aid of multi-scale and multi-resolution data extraction tools.Finally,we realize the multi-scale display of tsunami data based on VTK software.
引文
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[2]Chen L Z,Shen X H,Tian Q J.SAR technique and itsapplication to geologic and seismic research[J].Earthquake,2003,23(1):29-35(in Chinese).陈立泽,申旭辉,田勤俭.合成孔径雷达(SAR)及其在地质和地震研究中的应用[J].地震,2003,23(1):29-35.
[3]Shen Z K,Wang M,Gan W J,et al.Contemporary tectonicstrain rate field of Chinese continental and if geodynamicimplications[J].Earth Science Frontier,2003,10(8):93-100(in Chinese).沈正康,王敏,甘卫军,等.中国大陆现今构造应变率场及其动力学成因研究[J].地学前缘,2003,10(8):93-100.
[4]Chen S L,Zhang H,Shi Y L.The research progress oflarge2scale data parallel visualization in geosciences[J].Journal of Graduate University of Chinese Academy ofSciences,2008,25(5):577-584(in Chinese).陈绍林,张怀,石耀霖.地学中海量数据并行可视化研究进展[J].中国科学院研究生院学报,2008,25(5):577-584.
[5]Zhang H,Zhou Y Z,Wu Z L,et al.Finite element analysisof seismic wave propagation characteristics in Fuzhou basin[J].Chinese Journal of Geophysics,2009,52(5):1270-1279(in Chinese).张怀,周元泽,吴忠良,等.福州盆地强地面运动特征的有限元数值模拟[J].地球物理学报,2009,52(5):1270-1279.
[6]IEEE computer society.1993 Parallel Rendering SymposiumProceedings[C].New York:ACM Press,1993.
[7]IEEE computer society.1995 Parallel Rendering SymposiumProceedings[C].New York:ACM Press,1995.
[8]IEEE computer society.1997 Parallel Rendering SymposiumProceedings[C].New York:ACM Press,1997.
[9]Krzysztof B,Witold D,Yuen D A.Parallel extraction andvisualization of clusters from large-scale data sets[J].ParallelComputing,2001.
[10]Hansen C D,Hinker P.Massively parallel isosurfaceextraction[C]∥Proceedings of IEEE Visualization'92.1992:189-195.
[11]Ma K L.Visualizing time-varying volume data[J].Computing in Science&Engineering,2003,5(2):34-42.
[12]Ma K L,Camp D M.High performance visualization of time-varying volume data over a wide-area network[C]∥Supercomputing,ACMPIEEE 2000 Conference.2000:29.
[13]Ma K L,Parker S.Massively parallel software rendering forvisualizing large-scale data sets[J].IEEE Computer Graphicsand Applications,2001,21(4):72-83.
[14]Ma K L,Painter J S,Hansen D,et al.Parallel volumerendering using binary-swap compositing[J].IEEE ComputerGraphics and Applications,1994,14(4):59-68.
[15]Ma K L,Crockett W.A scalable parallel cell-projectionvolume rendering algorithm for three-dimensional unstructureddata[C]∥1997 Parallel,Rendering Symposium.1997:95.
[16]Ma K L,Stompel A,Bielak J,et al.Visualizing very larg-scale earthquake simulations[C]∥ACMPIEEE SC 2003Conference(SC'03).2003.
[17]Painter J S,Bunge H P,Livnat Y.Mantle,convectionvisualization on the Cray T3D[C]∥Proceedings of the 7thconference on Visualization'96.1996:409.
[18]Jordan K E,Yuen D A,Reuteler M,et al.Parallelinteractive visualization of 3D mantle convection[J].IEEEComputational Science&Engineering,1996,3(4):29-37.
[19]Damon M,Kameyama M C,Knox M,et al.Interactivevisualization of 3-D mantle convection[J].VisualGeosciences,2008,13(1):49-57.
[20]Garbow Z A,Yuen D A,Erlebacher G,et al.Remotevisualization and cluster analysis of 3-D geophysical Data overthe internet using off-screen rendering[J].VisualGeosciences,2003.
[21]Yuen D A,Garbow Z A,Erlebacher G.Remote dataanalysis,visualization and problem solving environment(PSE)based on wavelets in the geosciences[J].VisualGeoscience,2004,9(1):29-38.
[22]Kadlec B J,Yuen D A,Erlebacher G.Visualization andanalysis of multi-terabyte geophysical datasets in an interactivesetting with remote webcam capabilities[J].Pure andApplied Geophysics,2006,163(11):2455-2466.
[23]Kadlec B J,Yuen D A,Svere O D.Webcamfor remotevisualization and scanning of Giga-to Tera-byte size data setson large-scale display devices[C]∥APEC Cooperation forEarthquake Simulation(ACES).2004.
[24]Brodlie K.Visualizat ion over the world wide web,inscientific visualization[C]∥Dagstuhl'97 Proceedings.IEEEComputer Society Press,2000:23-29.
[25]Wood J D,Brodlie K W,Wright H.Visualization over theWWW and its application to environmental data[C]∥Proceedings of IEEE Visualizat ion96.ACM Press,1996:81-92.
[26]Michaels C,Bailey M.VizWiz:a Java applet for interactive3D scientific data visual izat ion on the web[C]∥Proceedingsof IEEE Visual ization97.ACM Press,1997:261-268.
[27]Richard L Burden,等.数值分析[M].7版.冯烟利,译.北京:高等教育出版社,2005.
[28]李亚智,赵美英,万小朋.有限元法基础与程序设计[M].北京:科学出版社,2004.
[29]Annunziato A,Best C.GRC2EC report:The tsunami eventanalysis and model[R/OL].(2005)[2012-08-03].http://tsunami.jrc.it.
[30]Zhang H,Shi Y L,Yuen D A,et al.Modeling andvisualization of tsunamis[J].Pure and Applied Geophysics,2008,165(3/4):475-496.
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