This chart describes growth of African cities. Specifically the percentage increase for 2010 
through 2025. Areas on the chart include Nairobi and Luanda.
Error using .*
Matrix dimensions must agree.

Error in plotSpotlight (line 30)
    output = repmat(a,[1 1 3]).*single(im)/255;

Error in plot_individual_user_maps (line 49)
        [heat] = plotSpotlight(im,heatmap,3);