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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 as the center of projection.
2D Shape Primitives You have already learnt to plot a point or a pixel on any display device. In this unit, we shall introduce you to various devices available for data input o
How does the Cyrus Beck line clipping algorithm, clip a line segment whether the window is non convex? Solution : see the following figure 13, now the window is non-convex in s
Draw a long line segment using (i) DDA line drawing algorithm (ii) Bresenham line drawing algorithm (iii) OpenGL function using GL_LINES. Observe if DDA line segment deflects from
Differentiate between z-buffer method and scan-line method. What is the visibility test made in these methods? Solution : In depth buffer algorithm every pixel location on the
Write a simple C-code to generate a circular arc between two angle values. Use this to draw Figure.
side-effect of scan-conversion
What are the various representation schemes used in three dimensional objects? Boundary representation (B-res) - explain the 3 dimensional objects as a set of surfaces that se
Transformation for 3-D Shearing 2-dimensional xy-shearing transformation, as explained in equation, can also be simply extended to 3-dimensional case. All coordinates are tran
what is the control for Why Video Game Characters Look Better Today
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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