Perceptual projection
Human-eye view
Only standard-observer response contributes light. The physical spectrum remains intact underneath.
λ ↔ f vacuum exact
observer CIE 1931 2°
display sRGB / D65
Human eyePhysical + hidden
OPTICAL CARRIER: TIME AVERAGED
ray intersections · hard visibility · 1/r² · spectral reflectance
point source · Lambert surfaces · CIE 1931 → sRGB
ray intersections · hard visibility · 1/r² · spectral reflectance
point source · Lambert surfaces · CIE 1931 → sRGB
MAXWELL · 2D YEE GRID
electric + magnetic curl updates · coherent source · conducting slit screen
30 nm / cell · colour = wavelength · brightness = averaged |E|² · sponge edges
electric + magnetic curl updates · coherent source · conducting slit screen
30 nm / cell · colour = wavelength · brightness = averaged |E|² · sponge edges
Visible responseFalse-colour hiddenMatrix layers
Drag to orbit · wheel to zoom
Spectral power distribution
250–2500 nm · log λ axisPhysical power is stored independently of its colour preview.dominant —
Standard observer response
x̄ · ȳ · z̄Official 1 nm table, 360–830 nm.peak ȳ · 555 nm