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Cues and their probabilities for the five targets. The letter labels A-E in parentheses for the five targets are used in Appendix 1.
| Cues in the Bounding Contour | Height in the Picture Plane | |||||||
|---|---|---|---|---|---|---|---|---|
| Transition Contrast | Kink | L-Junction | Bend Out | Bend In | High | Intermediate | Low | |
| Step Up (A) | P1 | P2 | 0 | 0 | 0 | P5 | 0 | 0 |
| Step Dn (B) | 0 | 0 | P3 | 0 | 0 | 0 | 0 | P5 |
| Ramp Up (C) | 0 | 0 | 0 | P4 | 0 | P5 | 0 | 0 |
| Ramp Dn (D) | 0 | 0 | 0 | 0 | P4 | 0 | 0 | P5 |
| Flat (E) | 0 | 0 | 0 | 0 | 0 | 0 | P5 | 0 |
