Transformations and Projections in Computer Graphics

It is probably a coincidence that the three main terms discussed in this book, namely transformations, projections,and perspective, are ambiguous. Here is what the dict- nary has to say about these terms. Transformation (a) The act or an instance of transforming. (b) The state of being transformed. A marked change, as in appearance or character, usually for the better. Mathematical transformation. (a) Replacing a variable in an expression by its value. (b) Mapping a mathematical space onto anoth