13-05-2013, 03:16 PM
2D and 3D Transformation
2D and 3D.ppt (Size: 515.5 KB / Downloads: 13)
Transformations and Matrices
Transformations are functions
Matrices are functions representations
Matrices represent linear transformation
Transformations (1/3)
What are they?
changing something to something else via rules
mathematics: mapping between values in a range set and domain set (function/relation)
geometric: translate, rotate, scale, shear,…
Why are they important to graphics?
moving objects on screen / in space
mapping from model space to screen space
specifying parent/child relationships