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Horizontal Retrace - Hardware Primitives
Horizontal retrace refers to the time an electron beam takes to traverse a scan line.Vertical retrace means the time taken by the electron beam to come back to the top left corner of the screen after tracing a frame (all the scan lines of the screen).
Distinguish between uniform scaling and differential scaling? When the scaling factors sx and sy are assigned to the similar value, a uniform scaling is produced that maintain
Explain Bresenham s circle drawing algorithm, OR Explain midpoint circle algorithm for scan converting a circle. Midpoint Circle Algorithm 1. Input radius r and circle
In contrast to depth-buffer method, here we identify one surface at one time, scan-line method deals along with multiple surfaces. Since it processes each scan-line at one time, al
Global illumination model -polygon rendering This illumination model adds to the local model the light which is reflected from the other surfaces to the current surface. This
After going through this section, you should be capable to: know the meaning of Visible-surface detection; distinguish among image-space and object-space approach for vi
Subdivision of polygon Test to find out the visibility of a single surface are made through comparing surfaces that as polygons P along regarding a specified screen area A.
what is ray tracing algorithm in hidden surface removal
Electronic Encyclopedia : This is the application of multimedia for the creation of an encyclopedia along with millions of entries and hypertext cross references covering a br
QUESTION (a) Median filters do not cater for a dynamic range of pixels in a given area, S. Thus to ensure that no loss of image details occur in S, adaptive median filters coul
Cohen Sutherland algorithm Point clipping is very simple. All you need to check is whether a point is inside the window extremes in x- and y-directions. For line clipping sev
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