Computer Graphics help

(6 pts.) Color and images. a) 1. Why is the computer reproduction system based on the trichromacy (e.g., RGB)? b) What is the reason for using the subtractive color system? c) Is it easier to recognize colors when the light intensity is low? Explain. (4 pts.) Color matching functions. Explain the following graphs. 2. 2,00 1,80 1,60 1,40 1,20 1,00 0,80 F 0,60 0,40 0,20 0,00 -0,20 380 430 480 530 580 630 680 730 780 Wavelength (nm) 3. (2 pts.) What is the ray tracing technique? List its advantages and disadvantages. 4. (2 pts.) What is the purpose of Rasterizer in the rendering pipeline? 5. (6 pts.) WebGL architecture. a) b) How to prepare the graphical environment? Compare OpenGL and WebGL