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Write short notes on active and passive transformations?
In the active transformation the points x and x represent different coordinates of the similar coordinate system. Here all the points are acted upon by the similar transformation and hence the shape of the object is not distorted. In a passive transformation the points x and x show similar points in the space but in a different coordinate system. Here the change in the coordinates is merely because of the change in the type of the user coordinate system.
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Assume here are three polygon surfaces P,Q, R along with vertices specified by as: P: P1(1,1,1), P2(4,5,2), P3(5,2,5) And as Q: Q1(2,2,0.5), Q2(3,3,1.75), Q3(6,1,0.5) R: R1(0.5,
1. Modify the DDA algorithm for negative sloped lines; discuss both the cases i.e., slope > 1 and 0 Ans. For the generation of lines along with negative slopes as:
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