API Reference > geometry-core > CartesianGeometry > ClipPrimitive > fetchClipPlanesRef fetchClipPlanesRef Method Get a reference to the UnionOfConvexClipPlaneSets. It triggers construction of the sets by this.ensurePlaneSets(). Derived class typically caches the set on the first such call. fetchClipPlanesRef(): UnionOfConvexClipPlaneSets | undefined Returns - UnionOfConvexClipPlaneSets | undefined Defined in core/geometry/src/clipping/ClipPrimitive.ts Line 70 Last Updated: 13 June, 2024