1. What is the significance of the rendering pipeline? 2. Describe how reflections in a mirror might be simulated using a local lighting model. 3. Why does ray tracing follow rays backward from the...

1.
What is the significance of the rendering pipeline?

2.
Describe how reflections in a mirror might be simulated using a local lighting model.

3.
Why does ray tracing follow rays backward from the image window to the light source rather than forward from the light source to the image window?

4.
What is the difference between straightforward ray tracing and distributed ray tracing?

5.
What are two disadvantages of radiosity?