2D transformations Homogeneous coordinates
Uses of Transformations
Transformations
Transformations and matrices
Problem
Homogeneous coordinates
Homogeneous Transformations
Matrices of basic transformations
Homogeneous line equation
Intersection of two lines
How to intersect two lines
Line through two points
Mapping quads to quads
Transform from 3 points
Intersections of sides and diagonals
Mapping rectangles to quads
Points at infinity
Texture Mapping
Putting it all together
Implementation
Inverse matrix
Email: dzorin@mrl.nyu.edu