Affine Transformations: Transfer, Scaling & Homogeneous Coordinates. Perspective and Parallel (Orthographic and Oblic) Projections. Curve Representation: Line, Circle, Letter Drawing Algorithms. Line, Polygon Clipping. Region filling: Scanning Order in Polygons. Surface Modeling: Third Order Polygons. Polygon Defined Regions. Virtual Reality: Three Dimensional Viewing, Hidden Surface Elimination (Pseudodepth). Shaded Surfaces, Ray Tracin