Table 2 Direct measurement, estimation by Methods 1 and 2, respectively, and the corresponding error range of leaf inclination angle
Leaf number | Direct measurement (degree) | Method 1 | Method 2 | ||
|---|---|---|---|---|---|
Estimation (degree) | Range of error (degree) | Estimation (degree) | Range of error (degree) | ||
Leaf angle | |||||
 1 | 20 | 15 | 5 | 20 | 0 |
 2 | 10 | 5 | 5 | 5 | 5 |
 3 | 3 | 5 | 2 | 5 | 2 |
 4 | 5 | 5 | 0 | 7 | 2 |
 5 | 10 | 10 | 0 | 10 | 0 |
 6 | 10 | 5 | 5 | 10 | 0 |