Outline:

1. Representing color in a computer
   • RGB
   • Exercise 1
2. Working with images
   • Image objects in graphics.py
   • getting a pixel’s color with image.getPixel
   • modifying an image with image.setPixel

Explore after class:

3. Working with images
   • getting the color at multiple points: Exercise 2
   • generating a random image Exercise 3
4. Color models
   • how computers output color
   • converting an image to grayscale: Exercise 4

Reading assignment (to be completed by the next class):

• Zelle sections 4.8.4-4.8.5 (pp. 120-121)