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Oriented Difference of Gaussian Space Constants
| Mechanism | Space Constant (deg) | |||
|---|---|---|---|---|
| Center | Surround | |||
| X | Y | X | Y | |
| 1 | .047° | .047° | .047° | .093° |
| 2 | .094° | .094° | .094° | .188° |
| 3 | .188° | .188° | .188° | .375° |
| 4 | .375° | .375° | .375° | .75° |
| 5 | .75° | .75° | .75° | 1.5° |
| 6 | 1.5° | 1.5° | 1.5° | 3° |
| 7 | 3° | 3° | 3° | 6° |
