#!/usr/bin/ruby -w # Demonstrate ImageList#average method require 'RMagick' images = Magick::ImageList.new("images/Button_A.gif", "images/Button_B.gif", "images/Button_C.gif") group = images.append false group.compression = Magick::LZWCompression group.write "average_before.gif" average_image = images.average average_image.compression = Magick::LZWCompression average_image.write "average_after.gif" exit