![]() The Point Density tool calculates the magnitude per unit area from point features within a neighborhood. Refer to ArcMap: Using graduated colors, ArcMap: Using graduated symbols, and ArcMap: About symbolizing layers to represent quantity for more information. If the Spatial Analyst extension is not available, it is possible to symbolize the data (points, lines, or polygons) to look like a heat map symbology by using graduated colors or symbols. Use the Density toolset of the Spatial Analyst extension to create heat maps from points with either the Point Density tool or the Kernel Density tool, and from lines with either the Line Density tool or the Kernel Density tool.
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