getImageDir.RdExtracts the directory from where the image was loaded when
it was registered via registerImage().
getImageDir(object, img_name = activeImage(object))
getImageDirectories(object)An object of class SPATA2 or, in case of S4 generics,
objects of classes for which a method has been defined.
Character value. The name of the image of interest.
If NULL, the active image is chosen by default. Either way, must
be one of getImageNames().
Character value or vector in case of getImageDirectories().