| is.im {spatstat} | R Documentation | 
Tests whether its argument is a pixel image
(object of class "im").
is.im(x)
x | 
Any object. | 
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".
TRUE if x is a pixel image, otherwise FALSE.
Adrian Baddeley adrian@maths.uwa.edu.au http://www.maths.uwa.edu.au/~adrian/ and Rolf Turner rolf@math.unb.ca http://www.math.unb.ca/~rolf