April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Clipping em coordenadas homogêneas
-1 £ xh/w £ 1
-1 £ yh/w £ 1
-1 £ zh/w £ 1
-1 £ x £ 1
-1 £ y £ 1
-1 £ z £ 1
x Î [left, right]
y Î [bottom, top]
z Î [near, far]
xd
yd
zd
1
1
1
-1
-1
-1
near
far
right
left
bottom
top