Study on the marketing area´s building method based on Voronoi polygon - an example of feed industry enterprises of anhui province

Solving the domain problems with the spatial analysis method of GIS has become the effective technique for business enterprises. By constructing the marketing area quantificationally, enterprises can make certain their range of services and their space of development in the future. First, this paper puts forward the hierarchy model of centricity intensity, and ascertains the characteristics of the marketing area in term of the hierarchy method. Then, based on the theories of marketing area, this paper analyzes further characteristics of the marketing area. Finally, according to the construct theory and method of Voronoi polygon, and in the case of characteristics of feed business enterprises, the paper puts forward a new marketing area building method of weighted-Voronoi polygon based on raster data. The quantitative analysis method in building marketing area is emphasized and made as a researching method on the scope of market effects and market location