MapXtreme Resolution for Internet Publication of Natural Disaster Information in Earthquake Engineering Based on ANN

摘要

In earthquake engineering, data share and publication of natural disaster information is in urgent need, and WebGIS resolution is the main problem for Internet publication. Through analyzing the technique function of WebGIS and the character of Internet publication, information publishing system of natural disaster is investigated. MapXtreme is a map application server in the server side which transmitting data as picture format and providing powerful spatial data analysis services for user. The system application is developed based on MapXtreme in Windows 2000 Server operating system, which achieved the real-time publication of natural disaster information in server and the real-time browse in client. In recent years, considerable interest has been focused on the use of GIS as a decision support system. According to the calculating results of ANN model, GIS-based maps are obtained, system structure and resolution for Internet publication is discussed. In order to improve the speed of data transmitting through Internet, ASP technique is combined with ActiveX controls. System application is developed with network language VBScript and JavaScript language under the ASP environment. The natural disaster prevention information is shown to customer as asp web page through the system application; customers can make various GIS operation and some analysis if necessary. Finally, some advice is proposed.