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To find out average unit normal vector at each polygon vertex
At each polygon vertex as demonstrated by point V in the figure above, the normal vector is acquired by averaging the surface normal of each polygon sharing such vertex. Hence, for any vertex V the unit vertex normal will be specified by N¯v
Here K → 1 to n are the surfaces in contact along with the vertex v.
Refresh Rate: refreshing on raster - scan displays is carried out at the rate of 60 to 80 frames per second, although some system are designed for higher refresh rates. Sometimes,
Graphic Interchange Format (GIF): The Graphic Interchange Format is an efficient implies to transmit images across data networks. In the early 1990 year the original designers of
Sound and Audio: Sound is a mechanical energy disturbance which propagates by matter as a wave. Sound is characterized through the various properties that are: frequency, per
Types of Animation Systems: Keyframe, scripting and parameterized •Morphing: object shape's transformation from one form to the other is termed as morphing that is short form
Rigid body or Non-Rigid body Transformations 2D transformations can be classified as rigid body or non-rigid body transformations. Rigid body transformations keep the shape and
Scale a sphere cantered on the point (1, 2, and 3) with radius 1, so that the new sphere has the same centre with radius 2. Solution: Translate the sphere so that its centre
1. How does the resolution of a system influence graphic display? Ans. In a high resolution system the adjacent pixels are so near spaced such approximated line-pixels lie extr
Q. Describe the z- Buffer algorithm for hidden surface removal. Ans. Z- buffer method: This method compares surface depths at each pixel position on the projection plane. T
Q. What are Bezier cubic curves? Derive their properties. OR What are Bezier cubic curves? Derive these properties. Also show that the sum of the blending functions is identical
Important points for Key Frame Systems - Computer Animation In key frame systems the "in-between" "tweening" or frames can be created from the specification of two or more key
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