L(x,y) = (0.5 + 0.5*fade*sin(2.0*Pi*a*exp(5*a)))
where a = x/Nx and fade = (1.0 - y/Ny)^3
| Function 1: L(x,y) = (0.5 + 0.5*fade*sin(2.0*Pi*a*exp(5*a))) where a = x/Nx and fade = (1.0 - y/Ny)^3 | |||
| Sampling Strategy | 1 sample/pixel | 9 samples/pixel | 25 samples/pixel |
| Random |
|
|
|
| Regular |
|
|
|
| Jittered |
|
|
|
| Multi-jittered |
|
|
|
| recursion depth = 1 | recursion depth = 3 | recursion depth = 5 | |
| Adaptive |
|
|
|
| Function 2: Black and White checkerboard on the xy (z=0) plane. Eye at (0,0,1) looking in direction (1,1,0) and the vertical field of view is 90 degrees. Checker color is determined by the sign of sin(x*Pi)*sin(y*Pi). | |||
| Sampling Strategy | 1 sample/pixel | 9 samples/pixel | 25 samples/pixel |
| Random | 
| 
| 
|
| Regular | 
| 
| 
|
| Jittered | 
| 
| 
|
| Multi-jittered | 
| 
| 
|
| recursion depth = 1 | recursion depth = 3 | recursion depth = 5 | |
| Adaptive | 
| 
| 
|