Table 4 Suitable range of field-of-view
From: A visual tool for accessibility study of pipeline maintenance during design
L (cm) | θ (degrees) | |
|---|---|---|
Legible | 33-71 | 35 |
Visible | 0-200 | 60 |
From: A visual tool for accessibility study of pipeline maintenance during design
L (cm) | θ (degrees) | |
|---|---|---|
Legible | 33-71 | 35 |
Visible | 0-200 | 60 |