7 ME 1-COMPUTER AIDED DESIGN |
Units: I |
Overview of Computer Graphics, Picture representation, Coordinate Systems,
Output Graphcis Display devices. Raster Scan Graphics : DDA for line generation and
Bresenham’s algorithm for line and circle generation.
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Units: II |
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. |
Units: III |
Surface models and entities Parametric representation of Hermite Bicubic surfaces,
Bezier surfaces and B-spline surfaces. Solid Models and entities, Solid Representation :
B-rep. and CSG. Comparison between three types of models.
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Units: IV |
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.
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Units: V |
Clipping : Point clipping, Line clipping, Cohen- Sutherland algorithm etc.
Viewing Transformation, Hidden Line and surface Removal : Techniques and
Algorithms.
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