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To transform from the world coordinate system to viewing coordinate system you need to perform the following operations.
a) Translate the viewing coordinate origin to the world coordinate origin (and hence the scene).
b) Rotate the axes so that your viewing coordinate system has the same orientation as the world coordinate system.
While performing such an operation, you are actually performing a change of basis transformation. This again results in another orientation of three mutually perpendicular (linearly independent) unit vectors.
define raster scan
Area subdivision Method - Visible Surface Detection What are the circumstances to be fulfilled, in Area-subdivision method, thus a surface not to be divided in addition? S
1. By using Digital Differential Analyzer algorithm draw line segments from point (1,1) to (9,7). Ans. We see that the usual equation of the line is specified by: y = mx+c
what is curve clipping
Graphic Primitives In previous section, we have discussed refreshing display devices and its categories which are Raster and Random Scan display devices. We have also discusse
Cases of clip a line segment-pq Case 1: As we determine a new value of t E that is value of parameter t for any potentially entering (PE) point we select t max as: t max
what are the advertising effects of scan conversion
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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
Example 1: Draw line segment from point (2, 4) to (9, 9) by using Digital Differential Analyzer algorithm. Solution: We know usual equation of line is specified via y = mx
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