search for: no_margins

...borders, but not always in the color I defined. The attached image has such borders, to make clear what polygons I am talking about. In the final plot I don't desire such borders, only the as of yet unattainable fill. Here's my code: library(ggplot2) library(plyr) # define good looks no_margins <- opts( axis.line = theme_blank(), axis.text.x = theme_blank(), axis.ticks = theme_blank(), axis.title.x = theme_text(size = 12, vjust = 0.15), axis.title.y = theme_text(angle = 90, size = 12, vjust = 0.2), axis.ticks.length = unit(0, "cm"), axis.tic...