Screen Dimensions
cm
cm
°
°
Eye Tracker
35°
°
Minimum tracker position
—
for full geometric coverage
Current Setup
100%
Geometric screen coverage
Participant → Tracker 65 cm
Tracker offset from screen bottom At screen
Participant → Screen 65.0 cm
Coverage Cone — Geometric Minimum
Side View — Setup Distances (to scale)
⚠ Outside Range
⚠ Tracker may be blocked by screen
Participant Distance: 65 cm
Tracker Position: At screen
Screen diagonal (corner): 0 cm
Required tracker-to-screen: 0 cm
Formula: cornerDist / tan(angle)
Current tracker-to-screen: 0 cm
Coverage radius: 0 cm
Formula: trackerToScreen × tan(angle)
⚠ Guideline Only — Verify in Practice
Keyboard shortcuts:
←→ Adjust participant distance   ↑↓ Adjust tracker position
Ctrl+S Save   Ctrl+R Reset