R loses information when saving plot as encapsulated postscript (.eps)

Question

Lyx and Latex work splendidly with .eps images. But when I export a scatter plot with a smoothing curve from Rstudio, the points are lost and the plot is delivered with only

Answer 1

Not a solution, but the shortest work around I have found is to set alpha to 1 and change the transparency in another program e.g. in illustrator use select, then all same, and then alter the transparency/ opacity for all. It would be really nice if R would add a feature that allows for transparency to eps...