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Ajax Technology in Geographic Information System

Author: TangChunKang
Tutor: RenMingWu；ZhangZuoDong
School: Nanjing University of Technology and Engineering
Course: Computer technology
Keywords: WebGIS ArcGIS Server Ajax GIS Forest Fire
CLC: TP311.52
Type: Master's thesis
Year: 2010
Downloads: 111
Quote: 2
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Abstract


With the rapid development of Internet technology , more and more turned to the local Web application platform . In the field of GIS , Internet technologies, combined with GIS generated WebGIS, GIS platform framework has also become an important part of software technology and WebGIS development dominates the mainstream . Change in GIS based spatial data acquisition, transmission , and application sharing manner , determines the future development of GIS . With the current technology , WebGIS applications continues to expand , new implementation techniques are also to appear. Including ESRI's ArcGIS Server technology Ajax-based introduction of WebGIS brought a new revolution. Ajax can be very good to meet a lot of real-time interactive WebGIS , frequent server communication and data transmission requirements, effectively reduce the burden on the server , reducing the amount of data transmission . This article describes the basic principles of Ajax technology , elaborated the characteristics and advantages of Ajax technology and in-depth analysis and comparison . Presents a spatial Web services to build solutions that solve the problems faced by traditional WebGIS , a detailed analysis of Ajax technology based ArcGISServer and Ajax technology used ArcGISServer achieved good results and convenience. In this paper, based on forestry fire thematic data fusion WebGIS technology , network analysis, fire suppression program for the fire fighting team to provide convenient and efficient web services , WebGIS and Ajax technology the perfect combination to make the system more good data management , updating , sharing features and powerful decision support functions , to make up for a lot of the existing fire protection system deficiencies . Simple and convenient in constructing the subject of the direction of forest fire presents a very good idea , to enable network sharing platform for the current forest fire fighting presents an effective solution .

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