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A new concept of spatial density network Voronoi diagram was proposed base of spatial density Voronoi diagram.
And a discrete construction algorithm for spatial density network Voronoi diagram was presented. Results Spatial
density can be used to indicate factors related to density such as conveyance and the traffic conditions. Some properties of
spatial density network Voronoi diagram were also introduced. In accordance with discrete construction method, achieved
the construction of spatial density network Voronoi diagram. Spatial density network Voronoi diagram is a developed
density Voronoi diagram. It both perfected the theory about Voronoi diagrams, and extended the range of applications of
Voronoi diagrams. So the study of spatial density Voronoi diagram is of great importance both in theory and practice.