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What does refreshing of the screen mean?
Some method is required for maintaining the picture on the screen. Refreshing of screen is completed by keeping the phosphorus glowing to redraw the picture repeatedly. I.e. by quickly directing the electronic beam back to the similar points.
Scan conversion: For display of a continuously defined object, a method to map a continuous abstract object or shape into a discrete plane of computer display is needed. This
Explain working of CRT
What are the advantages of rendering polygons by scan line method? i. The max and min values of the scan were simply found. ii. The intersection of scan lines with edges i
Differences between digital differential analyzer and VECGEN line algorithm?
Polygon Rendering and Ray Tracing Methods In previous section we had discussed various methods for visible-surface detection, although in order to produce visibility the prese
explain vecgen algorithem for line drawing in computer graphics
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
Find Out Projection Matrix for Oblique Projection To find out projection matrix for oblique projection, we want to find out the direction vector d. Because vector PP' and vect
What is homogeneous coordinate? Discuss the composite transformation matrix for two successive translations and scaling. In design and picture formation process, many times
Distinguish between parallel and perspective projection Parallel Projection Perspective projection Coordinate position are transformed
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