7 ME 1: COMPUTER AIDED DESIGN
3L+0T 100 Marks Ex. Hrs: 3

Unit 1

Overview of Computer Graphics: Picture representation, Coordinate Systems, Output Graphics Display devices, Raster Scan Graphics- DDA for line generation and Bresenham’s algorithm for line and circle generation.

Unit 2

Wire Frame Models: Parametric representation of curves, Plane curves - line, circle, ellipse, parabola and hyperbola, Space curves - Cubic spline curve, Bezier Curve and B Spline Curves. Blending of Curves

Unit 3

Surface Models and Entities: Parametric representation of Hermite Bicubic surfaces, Bezier surfaces and Bspline surfaces. Solid Models and Entities: Solid Representation - B-rep. and CSG, Comparison between three types of models.

Unit 4

Two and Three Dimensional Transformation of Geometric Models: Translation, Scaling Reflection, Rotation and Shearing, Homogeneous Representation, Combined Transformation, Projection of Geometric models- Parallel and Perspective Projection.

Unit 5

Clipping: Point clipping, Line clipping, Cohen- Sutherland algorithm etc., viewing transformation, hidden line and surface removal- Techniques and Algorithms.

List of Recommended Books
1. Mathematical elements for Computer Graphics, Rogers and Adams, Tata McGraw Hill
2. CAD/CAM: Theory and Practice, Zeid and Sivasubramanian., Tata McGraw Hill
3. Elements of Computer Aided Design and Manufacturing, Pao Y.C., John Wiley and Sons.
4. CAD/CAM: Concepts and Applications, Alavala C.R., Prentice Hall of India.