1 ) A method of providing a print representation of a document which, when printed, has at least one region the appearance of which is dependent on viewing conditions, the method comprising, in a processing system: a) generating a representation of the document; and, b) modifying the appearance of the at least one region to thereby simulate the appearance of the document when printed by at least one of: i) animating the representation of the at least one region; and, ii) at least partially combining the at least one region with an image.