Study on Implementation of High-Performance GIServices in Spatial Information Grid

Authors:
Fang Huang;Dingsheng Liu;Guoqing Li;Yi Zeng;Yunxuan Yan
Affiliations:
Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing, P.R. China 100086 and Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing, P.R. Chi ...;Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing, P.R. China 100086;Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing, P.R. China 100086;Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing, P.R. China 100086 and Institute of Electronics, Chinese Academy of Sciences, Beijing, P.R. China 100090 and Gr ...;Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing, P.R. China 100086 and Graduate University of Chinese Academy of Sciences, Beijing, P.R. China 100049
Venue:
ICCS '08 Proceedings of the 8th international conference on Computational Science, Part II
Year:
2008

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Abstract

Providing geo-spatial data services (GDS) and processing functionality services (PFS) are the key issues in spatial information grid (SIG). Especially, it's crucial for SIG to offer PFS related to Geographic Information Science (GIS), instead of just focused on Remote Sensing (RS) field. Furthermore, implementing high-performance GIServices is the main task of SIG to offer PFS for GIS. Lacking of high-performance GIServices mainly resulted from the limitations of architecture as well as the complexity for services implementation and encapsulation. Based on existing SIG platform, we propose the new architecture of SIG, upon which the constituted GIS nodes can provide GIServices. Within the improved architecture, some parallel GRASS GIS algorithms programs, which are built by different parallelization patterns and can run in cluster with better efficiency, are encapsulated to high-performance GIServices guiding by certain generic mode. Lastly, the analyses of the test demonstrate that the approach can reach our aims.