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Figure uses three dashed arcs and one small circle. Dashed line or arc is a style attribute that can be attached with a line or a curve. In OpenGL you can use the line stipple functions to produce such output. Use the midpoint circle algorithm to get the output of your program as in Figure.
E6) Again this is a concentric circular arc drawing problem. Draw a circle first with smallest radius and then for the remaining three circles plot only the pixels (xc+ x, yc+y) until y =x . Implement dashed arcs as done in the solution to E3). Modify your circle drawing code circleMidpoint()accordingly.
Assumptions for Polygon or Area Clipping Algorithm Assumption: The viewport and window are rectangular. So only, by identifying the maximum and the minimum coordinates t
Implement Cohen Sutherland and Liang Barsky line clipping algorithms in C-language. Test your code for line segments with end points falling in various regions.
What do you mean by Perspective projection? Perspective projection is one in which the lines of projection are not parallel. Instead, they all converge at a single point known
Explain the different input modes used in interactive computer graphics.
Build a program that allows: 1. using mouse or keyboard to move around on a set of 16 control points; 2. modify the value (drag along x, y, or z) of a point; 3. display
normal vector
IFF: It is Amiga Interchange File Format which is used to transfer documents to and from Commodore Amiga Computers. This format is really flexible and permits images and text to b
Interlaced GIF: The conventional which is non-interlaced GIF graphic downloads one line of pixels at one time from top to bottom and browsers display all lines of the image as it
differece between circle and eclipse
1. For the polygon shown in Figure on the next page, how many times will the vertex V 1 appear in the set of intersection points for the scan line passing through that point? How
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