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Coordinate systems and transformations between them → Read more...
The position and orientation of an object in real life can be described with direction and magnitude e.g. the TV is 3 meters in front of me. While that description is good for me it might be that for someone else in a room the TV is 5 meters to the right of that person. Information about objects are given in the context of a reference frame. Usually in Computer Graphics objects need to be expressed with respect to the camera frame, this article covers why we need to have multiple reference frames as well as the math needed to express objects in a different reference frame.