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Orientation Dependence - Modeling and Rendering
The outcomes of interpolated-shading models are dependent of the projected polygon's orientation. Because values are interpolated among vertices and across horizontal scan lines, the results may be different when the polygon is rotated. This consequence is mainly obvious when the orientation modifies slowly among successive frames of an animation. A same problem cab also happens in visible-surface determination while the z value at each point is interpolated by the z values allocated to each vertex. Both issues can be resolved through decomposing polygons into triangles. Instead, the solution is rotation- independent, although expensive, interpolation methods which solve problem without the requirement for decomposition.
B-spline curves are piecewise smooth polynomial curves. B-spline curves are defined over an interval which has been partitioned into sub-intervals. On each subinterval B-sp
Ray Tracing Algorithm - Recursive Frequently, the basic ray tracing algorithm is termed as a "recursive" acquiring an outcome wherein a given process repeats itself an arbitr
Example 1 : Determine the number of memory bits essential for three bit plane frame buffer for the 512 x 512 raster Solution: Whole memory bits needed are 3 x 512 x 512 = 786,
Zero Acceleration (Constant Speed ) Now, the time spacing for the in-betweens that is: in-between frames is at equal interval; which is if, we want N in-betweens for key frames
Explain the different input modes used in interactive computer graphics.
Pen Tablet and Plotter Pen Tablet: It is a digitizer tablet which is specialized for handwriting and hand marking. LCD-based tablets imitate the flow of ink as the tip tou
Determine the advantages of raster-scan systems (i) Rasterisation is now performed faster since a special purpose processor is used. (ii) The CPU is not slowed down by the
gouroud vs phong
What is Polygon mesh? Polygon mesh is a method to show the polygon, when the object surfaces are tiled, it is more convenient to state the surface facets with a mesh function.
Graphics Hardware - Computer aided Design Despite with which advance graphic software you are working along with, if your output device is not well or hardware handling which
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