April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Non-uniform Scaling
x
y
sx 
x´
y´
=
x
y
P
=
x´
y´
P´
=
x
y
0
sy
0
Redução (0< sx <1) ,
Aumento (sy >1)