china grid activity on sig presented by guoqing li at wgiss-21, budapest 8 may, 2006
TRANSCRIPT
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China Grid Activity on SIG
Presented by Guoqing LiAt WGISS-21, Budapest
8 May, 2006
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Content
China SIG Project SIG Container Data Resources Computation Resources Grid Portal
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China SIG Project
SIG: china spatial information grid• A national geo-information grid
Three steps• 2002-2003: to study prototype and key
technologies• 2004-2005: to build test-beds• 2006: to integrate grid tech with applications
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SIG Container
SIG Container: uniform grid environment to every SIG resource node.
Two type distribution versions• Lite version. (v2.0)• Meta version. (v2.0)
Meta= Lite + (registration center)
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SIG Container• Free download from SIG site
(http://grid.rsgs.ac.cn In Chinese Only)
• Some middleware can also be free-accessed• There are 12 nodes have been installed one kin
d of Containner.
Dr. Huang will give detail explanation about it.
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Data Resources
There are 12 data centers have been involved SIG.
There are two national spatial data distribution systems can be accessed from this grid portal :• MODIS data distribution system. • ENVI-SAT data distribution system.
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Fast deploy technology• Models and tools• Within days (include interface designing, middle
ware developing and data-center deploying) MODIS sets: 2 days ENVI-SAT sets: 5 days (because it used a third part
grid middleware)
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http://ds.rsgs.ac.cn
http://www.nfiieos.cn/rili/viewdate.asp
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All data resources• Uniform query interface and parameters• Uniform result page
Two level actions • Portal level
View list View simple metadata
• Data center level View original metadata and quick look image View storied data image (via WMS) Download data directly
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Two type data discover :• On-line: a broker• Off-line: based on a cached metadata catalogue
They have same interfaces and portal faces
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Computation Resources
There are three software packages have been integrated SIG• PIPS.
Developed by RSGS,CAS Based on HPC (16 CPUs Cluster ), can bring fast on-demand
data processes.• Titan.
Developed by Titan Co. Ltd. Based on workstation, can bring on-demand data processed.
• ISPRS-MODIS Developed by IRPRS, CAS Based on Condor Cluster ( 5 workstations ), can bring on-
demand MODIS data processing.
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All computation services • Can input data from grid service• Can output data can be accessed with service interface• Can be chained as workflow
Computation Job • Can be submitted on-line • Can be run at once• Can be monitored whenever you want to check , with
the job number (Job Order)
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Grid Portal
One-stop grid portal to user What they can do from here?
• Discover geo-data as they want• Process geo-data fast and easily• Monitor their work • Manage grid resource (all service/job/node etc.)
There are Chinese and English Versions
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DEMO
Click to see
(http://grid.rsgs.ac.cn Chinese Version Enter)
(http://159.226.224.52:6140/Grid/application/index_en.jsp English Version Enter )
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Thank you!