This will be a quick one, I’ll overview how I created the glowing/heat effect on the GISP location points in my GISP map. The points represent cities where there is a GISP certification. These points also have an attribute for the number of GISP’s in that city but I will not be representing that information with the dots. I want to create an effect for the points in close proximity that will draw the eye and convey the close proximity and general density of GISP’s in the world. The map is drawn at the world scale at a page size of 11 x 17 inches. This effect will allow the reader to identify the general density of GISP’s then investigate the map’s accompanying figures for extra information.



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