I'd like to place custom formatted nodes relative to the legend in a plot. The answer to Placing node relative to legend is a solution per se, but related to op's actual intent so it isn't helpful to ...
I am using the solutions of Using a pgfplots-style legend in a plain-old tikzpicture and Legend in tikzpicture to create a legend in a tikzpicture. In this legend I need a cylinder as image. I ...