API Reference > geometry-core > CartesianGeometry > ClipPlane > altitude altitude Method Evaluate the distance from the plane to a point in space, i.e. (dot product with inward normal) minus distance altitude(point: Point3d): number Parameter Type Description point Point3d space point to test Returns - number Defined in core/geometry/src/clipping/ClipPlane.ts Line 289 Last Updated: 13 June, 2024