toBMP(name, ..., field="fullname")
toEPS(name, ..., field="fullname")
toPDF(name, ..., field="fullname")
toPNG(name, ..., field="fullname")
toSVG(name, ..., field="fullname")
toTIFF(name, ..., field="fullname")character string specifying the name of the image file.devEval(), e.g.
tags and aspectRatio.devEval().devEval().
See devOptions() to change the default dimensions for
a specific device type.