Tobacco Geographic Information System based on Spatio Temporal Feature Analyzing Technique

The tobacco geographical information analysis system is important for tobacco planting,production and distribution.The necessity and application requirements were analyzed.In.Net framework,this system was built by using ArcEngine and ArcSDE which is Client/Server structure,and Oracle was used as spatial database and vb.net as the language.The system structure and realized functions were introduced;these realized functions include map services,tobacco geographical information query and statistics,tobacco geographical information spatio-temopral analysis and decision-making.Some crucial techniques were summarized at last,including spatio-temporal database,tobacco spatio-temporal event analyzing model based on spatio-temporal serial and Web services and so on.The spatio-temporal data include two types: business data and district data.For the district data,the life circle of a district and the changing events should be recorded at the same time.The historical data of one district can be gotten through the district changing table,and then spatio-temporal analysis could be realized.This system had profound influence in tobacco planting and management.