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Write a C program which takes points as input from mouse clicks (left button) and then performs an action. Apply your program to generate a closed polygon as follows: Every time a left button is pressed, a point on the screen is selected at mouse position and corresponding edge is drawn. When the right button is clicked, the polygon is created. Use one of the line drawing algorithms to plot your line segment.
What is persistence? The time it takes the emitted light from the screen to decompose one tenth of its original intensity is known as persistence.
QUESTION a) Explain with the help of a diagram, how a thermal inkjet printer works. b) Briefly explain the term density range. c) Distinguish between scaling and resampli
Rotation about z-axis - Transformation for 3-d rotation Rotation about z-axis is explained by the xy-plane. Suppose a 3-D point P(x,y,z) be rotated to P'(x',y',z') along with
2D Clipping Algorithms Clipping is an operation that eliminates invisible objects from the view window. To understand clipping, recall that when we take a snapshot of a scene,
Vertical retrace - Display Devices In a refresh CRT monitor, the time it takes for an electron beam to return to the top, left most point on the monitor after refreshing all ho
Assumptions for Area Subdivision Method a) ¾ Plane of projection is z=0 plane b) ¾ Orthographic parallel projections c) ¾ Direction of projection as d= (0,0,-1) d
Scale a sphere cantered on the point (1, 2, and 3) with radius 1, so that the new sphere has the same centre with radius 2. Solution: Translate the sphere so that its centre
functions of valuator
Illustration 1: How does the z-buffer algorithm find out which surfaces are hidden? Solution : Depth or Z-buffer algorithm employs a two buffer area each of two-dimensional ar
Define Aspect ratio- Aspect ratio: The ratio of vertical points to horizontal points necessary to produce equal –length lines in both directions on the screen, is called as
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