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Ray Tracing: Ray t racing is the technique to determine which objects in the scene are visible. In this to identify the visible surface for each pixel we continue to bounce the ray around the scene and collecting intensity contributions. This provides a simple and powerful rendering technique for obtaining global reflection and transmission effects. The basic ray tracing algorithm also provides for visible surface detection shadow effects transparency and multiple light source illumination. For each scan line the intensity at the interaction of the scan line with a polygon edge is linearly interpolated from the intensities at the edge end points. For example the polygon edge with end point vertices at position 1 & 2 is intersected by the scan line at point 4. A fast method for obtaining the intensity at point 4 is to interpolate lower intensities I1 & I2 using only the vertical displacement of the scan line.
Graphics Tablet - CAD and CAM We need to know what we mean via tablet in computer terminology, before going into details on the graphic tablet, since in the other disciplines
what is fixed point scaling? how composit transformation techniques works on it
Understanding the Concept of hypertext and hypermedia: For know the principle of Hypertext and Hypermedia we will look at how the human memory works.
Disadvantages of CAD - Risk of deskilling - High training costs to use packages - Can move work overseas One CAD operator can do work of 5 manual draftsmen
self test exercise 17 asked you to overload the operator >> and the operator Overload biinary operator + to add pairs according to the rule (a, b) + (c, d) = (a + c, b, + d) overl
Cyrus Beck Algorithm - Line Clipping Algorithm Cyrus Beck Line clipping algorithm is actually, a parametric line-clipping algorithm. The term parametric means that we requi
Question: (a) Some adverts are set up only with facts and with no use on concepts/emotions. Name and explain two strengths and two weaknesses of "no use of emotions in
Event Driven Devices - Polling Polling: The status of all devices is periodically checked in a repetitive manner through a polling loop. While an event happens, the loop is
Image Capture Formats: Video cameras appear in two various image capture formats: progressive and interlaced scan. Interlaced Scan It is a technique of enhancing the
Video Conferencing and Virtual Reality Virtual reality is a truly fascinating multimedia application. In such, the computer creates an artificial environment using hardware an
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