def q3():
img1 = Image.open("img1.bmp")
img2 = Image.open("img2.bmp")
gray1 = qtl.rgb2gray(np.array(img1))
gray2 = qtl.rgb2gray(np.array(img2))
modded = qtl.square2Image(gray1, gray2, 100)
Image.fromarray(modded).show()
def q2():
print "Part A:"
img = Image.open("img1.bmp")
print "Part B:"
original = np.array(img)
mod = np.copy(original)
red = original[:,:,0]
green = original[:,:,1]
blue = original[:,:,2]
mod[:,:,2] = red
mod[:,:,0] = blue
Image.fromarray(mod).show()
raw_input()
print "Part C:"
Image.fromarray(green).show()
raw_input()
print "Part D:"
Image.fromarray(red).show()
raw_input()
print "Part E:"
Image.fromarray(qtl.rgb2gray(original)).show()