API Reference > geometry-core > CartesianGeometry > Plane3dByOriginAndUnitNormal > weightedAltitude weightedAltitude Method Return the altitude of weighted spacePoint above or below the plane. (Below is negative) weightedAltitude(spacePoint: Point4d): number Parameter Type Description spacePoint Point4d Returns - number Defined in core/geometry/src/geometry3d/Plane3dByOriginAndUnitNormal.ts Line 202 Last Updated: 13 June, 2024