#!/home/software/ruby-1.8.5/bin/ruby -w
# Demonstrate the random_channel_threshold method
require 'RMagick'
include Magick
img = Image.read('images/Flower_Hat.jpg').first
begin
geom = Geometry.new(MaxRGB/2)
img2 = img.random_threshold_channel(geom, RedChannel)
rescue NotImplementedError
img2 = Image.read('images/notimplemented.gif').first
end
img2.write('random_threshold_channel.jpg')
exit