Open multipage PDF or (create and) clear opts$GD.PNGDIR.
tdmGraphicInit(opts, ...)with opts$GD.DEVICE one out of [ "pdf" | "png" | "win" | "rstudio" | "non" ]
"pdf"plot everything in one multipage pdf file opts$PDFFILE
"png"each plot goes into a new png file in opts$GD.PNGDIR
"win"each plot goes into a new window (dev.new())
"rstudio"plot everything to the RStudio plot device (has a history)
"non"all plots are suppressed
optional arguments to hand over to pdf (the other devices require no further arguments)