Scan Angle vs Throw
Compare laser scan angle against throw distance when placing projectors and predicting coverage.
- Coverage vs throw tradeoffs
- Useful before final projector plots
Scan Angle vs Throw Distance
Solve either coverage size from angle and distance, or required angle from target size.
Inputs
Formulas: W = 2·L·tan(θ/2). Inverse: θ = 2·atan(W/(2·L)). Use full angles.
Results
- Width
- 10.718 m
- Height
- 7.053 m
- Angles (input)
- H 30° · V 20°
- Diagonal
- 12.83 m
Preview
Projector
10.72 m × 7.05 m
Rectangular coverage at the throw distance. Angles are full-field.
Quick look: distances × coverage
| Distance factor | Width | Height |
|---|---|---|
| × 0.5 | 5.36 m | 3.53 m |
| × 1 | 10.72 m | 7.05 m |
| × 1.5 | 16.08 m | 10.58 m |
| × 2 | 21.44 m | 14.11 m |
| × 3 | 32.15 m | 21.16 m |