Is it possible to perform translation with a 2x2 matrix?
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Does the last '1' mean anything in a translation matrix
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Follow the link to: http://math.hws.edu/graphicsbook/c2/s3.html About half way down the page there is a modeling transform demo with parameters to change. Play around with the tool and answer the following. Can applying transformations to the modelview or the viewport result in the same image?