CGVRS(COMPUTER GRAPHICS AND VIRTUAL REALITY SYSTEMS) May 2013 Semester 5th Third Year BE IT Information Technology

 CGVRS(COMPUTER GRAPHICS AND VIRTUAL REALITY SYSTEMS) May 2013,Semester 5th,Third Year,BE IT, Information Technology 

Con.6971-13                                                                                    GS-8925

                                                  (3 Hours)                                [Total Marks: 100]


N.B.: (1) Question No.1 is compulsory.
         (2) Solve any four questions from remaining Question Nos.2 to 7.
         (3) Draw neat diagram wherever is necessary.

1. (a) Explain homogeneous coordinate system. [5 Marks]
    (b) Explain in brief Workstation based architecture. [5 Marks]
    (c) Describe geometric Modeling in case of V.R. [5 Marks]
    (d) Compare Bitmap and vector-based graphics. [5 Marks]

2. (a) State the matrices of 2 D object for scaling and rotation, also draw diagrams. [10 Marks]
    (b) Describe the Sutherland-Hodgeman algorithm for polygon clipping. [10 Marks]

3. (a) Describe the following term (ant two):- [20 Marks]
          (i) Thresholding
          (ii) Dithering
          (iii) Antialiasing
    (b) Define virtual Reality. Explain the component of VR. [10 Marks]

4. (a) Describe collision detection in VR. [10 Marks]
    (b) Describe input and output devices for VR. [10 Marks]

5. (a) Explain B-spline curves. [10 Marks]
    (b) Describe scanline algorithm for polygon filing. [10 Marks]

6. (a) Describe Motion Control method. [10 Marks]
    (b) Write DDA line drawing algorithm.Compare DDA with Bresenham's line
         drawing algorithm. [10 Marks]

7. (a) Write Short Notes on:- [20 Marks]
         (a) Parallel Projection
         (b) Graphics rendering pipelines.
         (c) VR applications
         (d) Comparison Between RGB and CMY colour Model.

Also see Computer graphics and virtual reality systems question papers for December 2013