These graphs compare oil production and consumption from 1971-2010 in different regions of 
the world, such as middle east, Europe, N.America, Asia Pacifica, Africa, and southern and 
central America. It is measured by barrels per day.
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);