ReadonlybaseBottom of the scanned band, metres above the map's zero (typically the surface underfoot plus the step-up allowance: anything lower is steppable).
ReadonlybearingTravel bearing, degrees clockwise from north.
Optional ReadonlycolumnsLateral resolution across the corridor, pixels. Default 32.
ReadonlyhalfHalf the body width, metres — the corridor is 2 × halfWidthM wide.
Optional ReadonlynearIgnore obstructions nearer than this, metres. Default 0.05 — the probe's
own near-plane guard (see buildForwardFrame).
ReadonlyoriginThe eye's ground position (lng/lat degrees) — the probe starts here.
ReadonlyreachHow far ahead to look, metres (the probe's far plane).
Optional ReadonlyrowsVertical resolution of the band, pixels. Default 24.
ReadonlytopTop of the scanned band, metres above the map's zero (typically eye height: anything higher is headroom you walk under).
Options for ObstructionProbeable.probeObstruction.