| A D a |
B E b |
C F c |
x y w |
= | Ax + By + Cw Dx + Ey + Fw ax + by + cw |
If our point comes from the Cartesian coordinates then
x' = A x + B y + C
y' = D x + E y + F
w' = a x + b y + c
To get back to the Cartesian coordinates, let's make our
x' = (A x + B y + C) / (a x + b y + c)
y' = (D x + E y + F) / (a x + b y + c)
w' = 1
If you have found a bug, please report it at the Codeberg project page.
If you have a suggestion or a question, please write Oleksandr Kaleniuk,