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Questions on Assignment 1?

1 Announcements Is your account working yet? Watch out for ^M and missing newlines Assignment 1 is due next Thursday at midnight Check the webpage and newsgroup for answers to Questions about the Assignment Questions on Assignment 1?TransformationsVectors, bases, and matricesTranslation, rotation, scaling Postscript ExamplesHomogeneous coordinates3D transformations3D rotationsTransforming normalsNonlinear deformationsVectors, bases, and matricesTranslation, rotation, scaling Postscript ExamplesHomogeneous coordinates3D transformations3D rotationsTransforming normalsNonlinear deformationsAngel, Chapter 42 Uses of Transformations Modeling transformations build complex models by positioning simple components transform from object coordinates to world coordinates Viewing transformations placing the virtual camera in the world specifying transformation from world coordinates to camera coordinates Animation vary transformations over time to create motionWORLDOBJECTCAMERAG eneral TransformationsQ = T(P)for pointsV = R(u)for vectors3 Rigid Body TransformationsRotation angle and line about which to rotateNo

4 Background Math: Linear Combinations of Vectors • Given two vectors, A and B, walk any distance you like in the A direction, then walk any distance you like in the B direction • The set of all the places (vectors) you can get to this way is the set of linear combinations of A and B. • A set of vectors is said to be linearly independent ...

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15-463: Computational Photography

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