Hi, Are there more sophisticated means to access R-images via Rserve than: Rconnection c=new Rconnection("127.0.0.1"); REXP xp=c.eval("try(png(\"test.png\"))") c.voidEval("plot(1:10)"); c.voidEval("dev.off()"); is = c.openFile("test.png"); ... maybe something with javaGD? Thanks in advance Thomas