Safety Zones Planner

Top-view planner to place audience areas and projector. Computes NOHD from power, aperture, divergence, and MPE.

Inputs

Venue length L (m)Venue width W (m)

Projector X (m)Projector Y (m)

Audience X (m)Audience Y (m)Audience length (m)Audience width (m)

Laser power (W)Divergence (mrad, full)Aperture dia (mm)

MPE limit (W/m²)Scan center (°)Scan angle full (°)

NOHD = 545.42 m (1789.4 ft). Audience OVERLAPS the NOHD.

E(d)=P/π·(D(d)/2)² with D(d)=D₀+2·d·tan(θ/2). MPE default 2.54 mW/cm² → 25.4 W/m². Example: at 10 m, E≈45203.77 W/m².

Drag not supported yet. Use numeric fields to position. Place audience so it stays outside the red NOHD circle.