Map Publication and Query System of Wetland with MapServer——A Case of Wetland of Dongting Lake

Abstract

The publication and inquiry are the most important functions of WebGIS. It is important to select the map plug-in and the platform and how to organize the map information for meeting the needs of the system and raising the efficiency of system construction. In the paper, based on the analyzing the application of current WebGIS, and aim at the characteristics of the system of wetland resource of Dongting Lake, the system was designed and the data were organized. B/S architecture was adopted, the system has been developed with C#. .NET and MapServer, and the functions designed were implemented. The information system of wetland resource of Dongting Lake has been developed, such functions as the publication and in quiry of maps and so on are conducted. The system is of better compatibility and the database is easier to maintain. It has a faster performance to develop the system with the platform of C#, .NET and the map plug-in of MapServer than that to be developed with the platform of PHP traditionally, and the code of the software is also faster than that of PHP. The design of attribute data and spatial data deposited separately has raised the externality of the software and stability of the database. The development of Wetland Resource Information System, has implemented the sharing of the wetland resource information, the functions of the system has met the design, and reached the designed goals. The research lays on a base for the development and construction of wetland resource WebGIS.

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