Explain briefly De Casteljeau algorithm
Explain briefly De Casteljeau algorithm.
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The control points P0, P1, P2 and P3 are connected with line segment is known as control polygon, even although they are not actually a polygon but rather a polygonal curve. Each of them is then divided into the similar ratio t: 1 – t, giving increase to other points. Again, each every consecutive two are joined with line segments, which are subdivided and so on, till only one point is left. This is the place of our moving point of time. The trajectory of that point for times between 0 - 1 is the Bezier curve.
Consider three different raster systems with resolutions of 640 x 480, 1280 x 1024, and 2560 x 2048? a) What size is frame buffer (in bytes) for each of these systems to store 12 bits per pixel?
Describe in detail the term computer graphics?
Define the term reflection. Write down the laws of reflection?
Explain the term Color Look up table?
Define VDU?
What is meant by the term aliasing and anti-aliasing?
What do you understand by the term scan line or raster line?
Briefly describe the term axonometric orthographic projection and cavalier projection?
What do you understand by the term projection? Briefly illustrate it.
Describe in brief the various properties of Bezier Curve?
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