Geometry Transformations

(x,y) - (y,x)

(x,y) - (y,x)

across the line y=x

(x,y) - (-y,-x)

across the line y=-x

(x,y) - (y,-x)

90° clockwise

(x,y) - (-y,x)

90° counterclockwise

(x,y) - (-x,-y)

180°