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Okulus

A line-of-sight survey instrument. Place an observer, then watch the landscape illuminate where it is seen — and shade where it is hidden.

Observer
No observer placed. Click the map to set a viewpoint.
Parameters
Quick: 1D radial scan; ray-binned. Target height re-renders instantly.
Eye height 2 m
Target height 0 m
Re-renders without recompute.
View range 10 km
Rays (azimuthal) 1080
Quality (radial) Standard
Sample density along each ray. Higher = finer, slower.
Visible
Hidden
Observer
Range
Elevation: AWS Terrain Tiles · data from SRTM, 3DEP, GMTED.
Map tiles: © OpenStreetMap.
Algorithm: radial ray cast, k = 0.13 atmospheric refraction.
made by chozabu
Awaiting observer.