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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.
Functioning of Input Devices Functioning of input devices-Keyboard, mouse, trackball and space ball, Joystick, data glove, digitizer, scanner, touch panel, light pen, voice sys
Education and training systems are making with three major objectives as: a) The learning objectives and purpose of the training. b) Assessment or testing of the students to
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What is persistence? The time it takes the emitted light from the screen to decompose one tenth of its original intensity is known as persistence.
Problem: (a) List four components of ‘Multimedia'. (b) Write short notes on the following: (i) itunes (ii) ipods (c) Some Multimedia development teams can have an
Plane equation - spatial orientation of the Surface Element For some of Plane equation procedures, we have information regarding the spatial orientation of the individual surf
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Remember in polygonalization of the surface, following rules must be followed. Any two polygons (i) share a common edge, (ii) Share a common vertext, (iii) Arc disj
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