Perspective divide
= Perspective divide
Conversion of a transformed column of <homogeneous coordinates> $(X,Y,Z,W)$ with $W\ne0$ to $(X/W,Y/W,Z/W)$. This is the nonlinear step in an otherwise matrix-based <perspective projection> pipeline.
= Perspective divide
Conversion of a transformed column of <homogeneous coordinates> $(X,Y,Z,W)$ with $W\ne0$ to $(X/W,Y/W,Z/W)$. This is the nonlinear step in an otherwise matrix-based <perspective projection> pipeline.