Design and realization of Urumchi traffic accident information system based on MapX and PowerBuilder

Under PowerBuilder8.0 environment,with powerful GIS component MapX5.0 and background attribute database SQL Server 2005,and taking high resolution RS data as Map background,a city traffic accident information system is developed.The System has many functions,such as query,analyse and statistic for traffic and accident information.It is easy and intuitive to query useful information.Experimental result shows that,based on PowerBuilder and MapX,it is not only easy and fast to develo PGIS application,but also exerts sufficiently the advantage of managing and accessing the MapX space database of PowerBuilder.