April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Matriz Ortho do OpenGL
[ T ] =
0
0
1
0
1
0
0
0
0
1
0
0
-(r+l)/2
-(t+b)/2
+(f+n)/2
1
[S] =
2/(r-l)
0
0
0
0
0
0
1
0
2/(t-b)
0
0
0
0
-2/(f-n)
0
OpenGL Spec