Monday, March 11, 2013

Computer Graphics And Visualization-Ist internal Question Bank


Computer Graphics and Visualization-10CS65       - I st internal Question Bank

 (E-Easy, I-Important, D-Little Difficult(i don't expect anyone to attempt))

1)    List out four major areas of applications of computer graphics and explain each one of them.(E,I)

 
2)    Draw the five major elements of a graphics system and explain.(E,I)

 
3)    Describe a pin-hole camera and derive the size of images generated. Compare this with the human visual system.(E,I)

 
4)    Explain the Sythetic-Camera model with diagrams. What do the following terms mean

i) Projectors     ii) Center of Projection    iii) Projection Plane   iv) Clipping Window(E,I)

 
5)    Draw the application programmers model of graphics system. What functions are supported by the pen plotter model and the raster based model.(E,I)
 

6)    a) Explain the modeling-rendering paradigm.(D)

b) Draw and Explain the Display Processor Architecture.(E)

 
7)    a) Describe the four major steps in a Graphics Pipeline.(I)

b) What are Programmable Pipelines.(D)

 
8)    Give an algorithm to generate the 2D sierpinski gasket by plotting points.(E)

 
9)    Write an OpenGL C program to generate the 2D sierpinski gasket by recursive subdivision of triangles.(I)
 
10) Give the seven major groups of OpenGL Graphics Functions and explain each group.(E,I)

 
11) Write about the Open GL libraries and their organization.(E,I)

 
12) Draw and explain a simplified OpenGL pipeline.(E)

 
13) How do you draw basic geometric primitives (Points, Lines, Polylines, Polygons, Triangles, Quadrilaterals, Strips and Fans) in OpenGL.(E,I)

 
14) a) What are the three properties a polygon must have in order to be displayed correctly.(E,I)

b) What are the attributes of points, line segments, polygons and stroke text.(D)

 
15) Describe Stroke text and Raster text. Describe functions(APIs) to draw text in each case.(E,I)

 
16) What is Three Color Theory. Differentiate Additive Color and Subtractive Color model.(I)

 
17)  a) How do you specify Color using RGB values.(I)

      b) How do you specify Indexed Color using a Color Lookup Table. How do you set the entries in a Color table. (I)

 
18) a) How do you specify a viewing volume for Orthographic projections.(E)

          b) How do you specify a clipping rectangle for Two-Dimesional Viewing.(E)

     
19) a) Describe the control functions used to control the appearence of window on a display.(D)

b) How do you specify a viewport?(E)

c) How do you register a function display for callback. What are the events that trigger the display callback.(E)
 

20) Write an OpenGL program to draw a three-dimensional Sierpinski gasket inside a tetrahedron using recursive subdivision.(E,I)

 
21) How do you plot an implicit function such as x2+y2-1=0 using marching squares technique. Describe at least one case of the 16 cases.(DDD)

 
22) Write a short note on categorization of logical input devices.(I)
 

23) Briefly describe the three input modes with diagrams.(I)
 

24) What are display lists? How do you define and execute them in OpenGL. How can you create multiple lists and call them with a single function call.(D,I)