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Define Octrees?
Hierarchical tree structures called octrees, are used to show solid objects in some graphics systems. Medical imaging and other applications that needs displays of object cross sections commonly use octree representation.
What is scaling and shearing? The scaling transformations alters the shape of an object and can be carried out by multiplying every vertex (x,y) by scaling factor Sx, Sy where
Can you give some basic features of computer graphics? The methods of computer graphics are the manipulation and creation of graphics (artificial images) by computer.
Determine the transformation matrix for: a) Cavalier projection with θ=45 0 , and b) Cabinet projection with θ=30 0 c) Draw the projection of unit cube for all transfor
How many key frames does one minute animation film order along with no duplications need if there are five in among for each pair of key frames? Solution : One minute = 60 sec
what is refresh buffer/ identify the content and organisation of the refresh buffer for the case of raster display and vector display.
Camera - polygon rendering and ray tracing methods Camera presents "viewpoint" or "eye" of observer. In order to explain the fundamental working of camera we can consider this
Relation between polar coordinate system and Cartesian system A frequently utilized non-cartesian system is Polar coordinate system. The subsequent figure A demonstrates a pol
Polygon Surfaces - Curves and Surfaces By Figure 1 and Figure 2 it is clear that it is possible to store description of objects as a set of surface polygons and similar i
Question 1: (a) Define what you understand by the following terms: i) Pixel ii) Pixel Aspect Ratio iii) Frame rates. iv) Animation In each of the above, use diagr
Categories of Parallel Projection Parallel projection can be categorized as per to the angle which the direction of projection makes along with the projection plane. For illu
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