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Illustration 1: How does the z-buffer algorithm find out which surfaces are hidden?
Solution: Depth or Z-buffer algorithm employs a two buffer area each of two-dimensional array, one z-buffer that stores the depth value at every pixel position (x,y), the other frame- buffer that stores the intensity values of the visible surface. From setting initial values of the z-buffer to several large number that frequently the distance of back clipping plane, the matter of determining such surfaces are closer is decreased to simply comparing the present depth values saved in the z-buffer at pixel (x,y) with the newly computed depth value at pixel (x,y). If this new value is less than represent depth-buffer value, this value replaces the value saved in the z-buffer and the pixel color value is altered to the color of the new surface.
Mauri Ltd has just acquired a new stock management system and the source codes (PhP5) also have been delivered. The coding style is fully object-oriented. The company has been u
Cohen Sutherland line clipping algorithm The algorithm uses the following main steps Divide the entire plane into nine disjoint regions using the four window boundaries
Persistence (of phosphor) - Display devices Time it takes the emitted light from screen to decay to one-tenth of its original intensity. The point where an electron gun strikes
Computer simulation - Computer Aided Design Computer simulation is the manner of designing a model of a real or theoretical physical system, not including the model on a digit
Gourand shading OR Intensity interpolation scheme Now there polygon is rendered through linearly interpolating intensity values across the surface. Intensity values for all po
Types of Touch panels 1) Electrical TSS: Wire grid or the other conductive coating is utilized to specify a voltage drop at the point touched point from that the position ma
Resolution - Display Devices On a display device, the resolution means the maximum number of points that can be displayed simultaneously without an overlap in a row and number
What is Resolution, how to adjust it. Resolution: The maximum number of points that can be displayed without overlap on a CRT is referred to as the resolution . A more prec
Objectives of Curves and surfaces - modeling and rendering After going through the section, you should be capable to: Implement the methods utilized to represent a pol
DDA or Digital Differential Analyzer Algorithm - Line generation algorithms From the above discussion we get that a Line drawing is accomplished through calculating intermedi
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