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Merits -Phong shading or Normal Vector Interpolation Shading
Hence by finding intensities at various points across the edge we determine the intensity that is varying across the edge among two vertex points and is not uniform like in Gouraud Shading, providing much good effect. Thus we can say as the normal vector interpolation by Phong shading is better to intensity interpolation method as in Gourand Shading since it largly reduces the mach bands.
describe z-buffer algorithm removing hidden surface
What are the important properties of Bezier Curve? It requires only four control points It always passes by the first and last control points The curve lies enti
Disadvantages : 1) Doubles memory needs, one for at least z-buffer and one for refreshes- buffer. 2) Dependency of device and memory intensive. 3) Wasted calculation u
To prove: P (u = 0) = p0 Solution : = p 0 B n,0 (u) + p 1 B n, 1 (u) +...... + p n B n, n (u)...............(1) B n,i (u) = n c i u i (1 - u) n-i B n,0
Properties of Perspective projections - Transformation 1) Faraway objects seem smaller. 2) Straight lines are projected to straight lines. 3) Let line 1 and 2 is two s
Combined consequence of ambient and diffused reflection At this time the resulting intensity I will be the total sum of the intensities in case 8.3.2 and 8.3.3 we find that:
Raster and Random Scan Display Technologies For display or printing graphics objects, various technologies have been invented. Research and development is still on for getting
Constant intensity shading OR Flat shading In this technique particular intensity is calculated for each polygon surface that is all points that lie upon the surface of the
1. Using a time Delay Method The delay required between issuing each character to the LCD is about 5-10ms (it's simply known as DELAY). When programming an LCD, a long delay is
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
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