System Integration Of GIS And Distributed Workflow Management System

Geographic Information System is a computer application which based on the management of geographic objects and their topology relations, including both spatial data and non-spatial data. The outstanding feature of GIS is the visualized data operation and facility management based on the geographic space environment, which makes the GIS based industrial application a hotspot in the domain of software research and development. The goal of Workflow Management System is to allocate the right task to the right man and resource on the right time and by the right order. The prominent characteristic of WfMS is the workflow modeling based mapping of real transaction to the computerized process which separates the process logic and process execution, thus making it a role of importance in enterprise's transaction automation.With the enterprise's growing demand on management efficiency, the problem of system's openness and distribution ability pose a threat and impede the further development of both GIS and WfMS. Openness means the capability of easy integration or to be integrated, distribution ability means to well support the distance cooperation and the interaction of data resource and transaction systems which are physically distributed. According to our research, the scheme of system integration of GIS and DWfMS has the prospect to effectively solve these problems. Therefore this paper emphasizes the analysis and settlement of the problems faced by the system integration of GIS and DWfMS, and we propose a practically feasible scheme composed of system data integration, system function integration and transaction automation.In this paper, we propose CGISFlow scheme which is a component based workflow framework for GIS system integration. CGISFlow implements in hierarchical integration scheme and it employs industrial based GIS system as its software platform, DWfMS as its core operation mechanism for system function, component based development for system module and XML based meta-language for data interaction. The research and application value of CGISFlow has been proved by the detailed design and analysis we conducted in this paper, as well as its successful implement in the electric GIS system integration project—ADGIS, including the application and development in SCADA/GIS which is the key sub-system for an electric production GIS system. This initial experimental prototype has shown us a satisfying result.