Define orthographic, parallel, and perspective projections. Consider a region defined by the position vector P below, relative to global XYZ axis system. It is rotated by +30° about X-axis and passes through points (1.5, 1.5, 1.5). Find the final position of the region. [10]

What is the task of a polygon table? Why do we have to remove hidden surfaces? Explain with any one methodology. [5]

Define intensity attenuation. Distinguish between Gouraud shading and Phong shading model. [5]

List some significance of virtual reality. Differentiate between virtual reality and augmented reality with example. Demonstrate how a polygon can be created using OpenGL. [10]

Plot the 1st octant of a circle centered at origin, having the radius 10 units. [5]

Describe the requirement for line clipping. Explain the scan line polygon filling algorithm. [5]

What is the method to recognize boundary point and interior point in solid modeling? Describe how BSP recursively subdivided a space into convex sets. [10]

Discuss the strength and weakness of the human visual system. Describe Spline representation for the curve. [5]

Define fractal. Explain the Bezier curve and B-Spline curve. [5]

What is quadric surface? Compare between diffuse reflection and specular reflection. [5]

Find the new c-coordinate of the triangle ABC, with co-ordinates A(0, 0), B(1, 1) and C(5, 2) after it has been magnified to twice of its size. [5]

What is the advantage of real time rendering over offline rendering? Discuss the limitation of Z-Buffer algorithm. [5]