The Research And Realization Of Examination And Approval System Of Construction Land Based On WebGIS

With the development of the mature market economy, land as a kind of very important production resources, which participate in the role of macro-control appears gradually. Raising the level of economical and intensive utilization of land resources, protection of cultivated land, controlling the non-agricultural construction land, are important tasks of the current land and resources management. Due to the requirement of the refinement of land and resources management improves continually, the existing work foundation is difficult to adapt to the development, utilize and comprehensive regulation of land and resources. So the urgent need is to carry out the examination and approval of construction land system.The paper starts from the basic content of construction land management, and introduces the concept of examination and approval of construction land, discusses the system guarantee of the examination and approval of construction land, analyzes our country’s the development situation and the deficiencies of examination and approval of construction land information system in recent years. It analyzes the information requirements and technical requirements which is on the examination and approval of construction land system.It is carried on the system analysis which is for examination and approval of construction land system. And It has in-depth analysis on the whole system model, database structure, data flow, system network design, etc. The system brings in WebGIS technology, and sets up a framework which is based on WebGIS application.Finally based on Liaoning province land and resources electronic government affairs construction project, Dalian examination and approval of construction land business as an example, ArcIMS as a maps publish server, ArcSDE as a spatial data engine, it sets up a system model on Dalian examination and approval of construction land system, which is a multi-level, cross-platform, powerful network, statistical analysis, graphical integration management system.The content and research results of this paper mainly includes the following several aspects.First, it analyses the system, procedures, permissions of our country’s examination and approval of construction land, it also analyses the problems which exist in the traditional office examination and approval. It discusses the information demand and technical requirements on construction land examination and approval system at present.Second, it carries out modeling analysis on examination and approval of construction land for city and county. It designs a three layer structure of city and county level examination and approval of construction land system based on WebGIS, which uses ArcIMS, ArcSDE and Java technology, in order to realize the networked, graphic integration, multi-layer department information management on examination and approval of construction land.Third, on the basis of the first two, it designs and builds the instance system, Dalian city construction land examination and approval system, in order to achieve the networking collaborative on examination and approval of construction land between departments of provincial, city and county levels.