API Reference > geometry-core > CartesianGeometry > ConvexClipPlaneSet > isSphereInside isSphereInside Method Test if a sphere is completely inside the convex set. isSphereInside(centerPoint: Point3d, radius: number): boolean Parameter Type Description centerPoint Point3d center of sphere radius number radius of sphere. Returns - boolean Defined in core/geometry/src/clipping/ConvexClipPlaneSet.ts Line 327 Last Updated: 13 June, 2024