Introduction

	What is Computer Graphics?

	What is an object model?

	The notion of space and transformation

2D object models
	
	Simple line drawing algorithm - its limitations

	Bresenham's line drawing method
		What are the key features?
		How it's done?
	
	Filling polygons using Scan Line algorithm

Viewing a 2D Visual World
	
	What are clipping and transformations in the context of viewing
	a 2D world?

	What is a view port?

	How does one perform 2D transformation and what kinds?

	What is a homogeneous coordinate system in the context of CG?

	The notion of rigid body transformation and affine transformation

	How 2D composite transformation is defined?

	How does one perform line segment clipping?

	Describe the parametric line clipping algorithm

3D Models

	What is the Euler's rule for simple polyhedra?

	What are two simple data structures used for representing polyhedra? 

	What are the typical 3D transformations and how?

	What is special orthogonal and 3D composite transformation?

Viewing a 3D World

	What's the main differences between 2D and 3D viewing?

	The notion of projection and virtual camera

	What is the 3D viewing pipeline and what does it constitute?

	What is the difference between parallel and perspective projection?

	How perspective projection is performed?

	What is the view volume in 3D CG?

	The notion of a finite view volume

	Describe view volume with a given virtual camera in 3D space

Computing the View Pipeline

	What is normalising transformation and how ?

	What is the canonical view volume?

	How does one perform 3D clipping in a canonical view volume?

Achromatic and Colour Lighting

	What is a frame buffer? What do 1 bit, 8, 16 and 24 bits colour mean?

	How does one select intensity distribution on the screen?

	What are the factors which affect the appearances of colour?

	What are typical colour models for CG?

	What is ambient light?
	
	The notion of diffused lighting and Lambertian reflection

	What is the light source distance ratio?

	The notion of specular reflection

Visibility and Rendering

	What is the visibility problem in CG?

	What are the two typical approaches to solve the visibility problem ?

	Describe Back Face elimination method

	What is Z buffer and how does it work?

	Painter's algorithm

	Compare back face, Z buffer and Painter's tricks

Ray Tracing

	What is it for?

	The principles of ray tracing

	What are the main difficulties (costs) in computing race tracing?

	How is ray tracing used for global illumination?

	What is the rendering equation?

	What does "recursive ray tracing" mean and what it's for?