Write short notes on active and passive transformations, Computer Graphics

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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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