The Famous Notes

COMPUTER GRAPHICS AND VISUALIZATION

Unit I Introduction to Computer Graphics and OpenGL : History and applications of computer graphics, Video display devices, Refresh Cathode-Ray Tubes, Raster and Random Scan Displays, Color CRT Monitors, Flat Panel Displays, 3-D viewing devices, Stereoscopic and Virtual-Reality Systems, Coordinate Representations, Introduction to OpenGL, Coordinate Reference Frames, Specifying a 2-D world-coordinate reference frame in OpenGL, OpenGL Point functions, OpenGL Line functions, OpenGL Polygon fill-area functions, OpenGL display lists, OpenGL state variables, Color and Grayscale, OpenGL color functions, Point attributes, OpenGL point attribute functions, Line attributes, OpenGL Line attribute functions, Character attributes, OpenGL character attribute functions

Unit II Rasterization and Transformations : DDA and Bresenham line drawing algorithm, Mid-point circle generating algorithm, Mid-point ellipse generating algorithm, Fill methods for areas with irregular boundaries, Implementation methods for antialiasing, Basic 2-D geometric transformations, Matrix representations and homogeneous coordinates, Inverse transformations, 2D composite transformations, other 2D transformations, OpenGL functions for 2D geometric transformations

Unit III 2D viewing pipeline: 2D viewing pipeline, Clipping window, Normalization and viewport transformations, OpenGL 2D viewing functions, Clipping algorithms, 2D point clipping, Cohen-Sutherland for 2D line clipping, Sutherland-Hodgeman and Weiler-Atherton polygon clipping algorithm

Unit IV 3D viewing pipeline : 3D translation, rotation and scaling, Composite 3D transformations, Other 3D transformations, 3D viewing pipeline, Projection Transformations, Orthogonal Projections, Oblique parallel projections, Perspective projections, 3D clipping algorithms

Unit V Visibility and Shading : Light sources, Classification of visible -surface detection algorithms, Back-face detection, Depth buffer method, Scanline method, AreaSubdivision method, Surface Lighting Effects, Basic Illumination Models, Polygon rendering methods Unit VI Discrete Techniques and Object Representation : Texture mapping, Textures in OpenGL, Ray Tracing- Recursive ray tracer, Interpolation and Approximation splines, Spline specifications and surfaces, Bezier spline curves, B-spline curves