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Important Points for Windowing Transformations
1. Window explains what is to be viewed and viewpoint describes where it is to be displayed.
2. Frequently window and viewpoints are rectangles in standard position along with edges parallel to coordinate axes. Generalized shapes like polygon and so on, take long to process; hence we are not considering these cases where viewport or window can have common polygon shape or circular shape.
How to utilize illumination model to calculate vertex intensity: For such we interpolate intensities beside the polygon edges, for all scan line the intensity at the intersecti
properties that helps in reducing efforts
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
basic video controller operations
3-D Transformation The capability to represent or display a three-dimensional object is basically to the knowing of the shape of that object. Moreover, the capability to rotat
Photo and Video were determined in the 19th century: In books Visuals as add on to texts. They enabled distance education. They developed learning where verbal description was n
Rotation - 2-D and 3-D transformations Within 2-D rotation, an object is rotated via an angle θ along w.r.t. the origin. This angle is assumed to be +ive for anticlockwise rot
Light Pen - input and output devices It is a pointing device. This has a light sensitive tip that is excited while the light is emitted and an illuminated point upon the disp
Introduction of 2-D and 3-D Transformations In this, the subsequent things have been discussed in detail as given below: Different geometric transformations as transla
Matrix for Orthographic Projection Orthographic projections are projections into one of the coordinate planes x=0, y=0or z=0. The matrix for orthographic projection on the z=0
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