Tests whether its argument is a pixel image
(object of class "im").
Usage
is.im(x)
Arguments
x
Any object.
Value
TRUE if x is a pixel image, otherwise FALSE.
Details
This function tests whether the argument x is a
pixel image object of class "im". For details of this
class, see im.object.
The object is determined to be an image if it inherits from
class "im".