What is the purpose of wireframe representation? Describe about boundary and space partitioning. [5]
Illumination Models and Surface Rendering Techniques
1.
How can we detect shadows in computer graphics? List the challenged in computing light model. [5]
Introduction of Computer Graphics
1.
Define window, viewport and viewing transformation. Let ABCD be the regular window with A(20, 20), B(90, 20), C(90, 70), and D(20, 70). Find the region codes for end points and use Cohen Sutherland algorithm to clip the lines P(10, 30) Q(80, 90). [10]
Introduction to OpenGL
1.
Give some basic color model. Give the basic command to draw the pixel and polygon in OpenGL. [5]
2.
Mention any two color command in OpenGL. Explain about Hermite curve. [5]
Introduction to Virtual Reality
1.
List some applications of VR. What might be the possible navigation techniques and manipulating interfaces in virtual reality? Justify. [5]
Scan Conversion Algorithm
1.
Trace the Bresenham’s Line drawing algorithm for the end points(1, 1) and (8, 5). [5]
2.
Plot the ellipse centered at (0, 0) with radius rx = 8 and ry = 6, using mid point ellipse drawing algorithm. [5]
Solid Modeling
1.
Describe the architecture of raster scan display. Explain about sweep, octree and boundary representations for solid modeling. [10]
Three-Dimensional Geometric Transformation
1.
Derive the relation for three-dimensional translation and rotation. [5]
Visible Surface Detections
1.
List any two disadvantages of BSP tree method in visible surface detection. Make a comparison between Painter’s algorithm and A-Buffer algorithm. [10]
2.
Define clipping. Discuss about cubic spline Interpolation. [5]