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Raster and random scan displays
In Raster scan displays, whole screen is refreshed a number of times in a second to keep the picture visible on the screen. This is called refresh rate of the system. In random scan display line drawing commands are used to plot a graphics that is every graphics object is saved as a sequence of line segments. This is also refreshed a number of times in a second, but its refresh rate depends on the number of lines to be displayed. If the drawing is complex, the refresh rate is different from when the drawing is small and simple.
describe z-buffer algorithm removing hidden surface
Output Primitives and Geometric Transformations You learnt how some basic geometric objects such as line segments, circles, ellipses and other curves are processed for plotting
What is surface patch? A single surface element can be explained as the surface traced out as two parameters (u, v) take all possible values between 0 and 1 in a two-parameter
Curve segment - properties of bezier curves Note : 1) The joining point on the curve along w.r.t. the parameter based upon second derivates of Q(t) is the acceleration. Wh
Explain the concept of t he frame buffer
Objectives of 2-D Viewing and Clipping After going through this section, you should be capable to: 1. Describe the concept of clipping, 2. Observe how line clipping is p
To prove: P (u = 0) = p0 Solution : = p 0 B n,0 (u) + p 1 B n, 1 (u) +...... + p n B n, n (u)...............(1) B n,i (u) = n c i u i (1 - u) n-i B n,0
Ask questionkms eey frame syst #Minimum 100 words accepted#
Approaches to Area Filling Some other approaches to area filling are Scan line polygon fill algorithm Boundary fill algorithm Flood fill algorithm.
explain vecgen line drawing algorithm
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