save
abstract fun saveToFile(fileName: String, directory: Path = defaultPlotDir, plotTitle: String = title, extType: PlotIfc.ExtType = ExtType.PNG): File
Return
a File reference to the created file
Parameters
file
the name of the file without an extension
directory
the path to the directory to contain the file
plot
the title of the plot if different from title property
ext
the type of file, defaults to PNG