API Reference > geometry-core > CartesianGeometry > Range3d > isNull isNull MethodStatic Test if data has high<low for any of x,y,z, condition. Note that a range around a single point is NOT null. isNull(data: LowAndHighXYZ): boolean Parameter Type Description data LowAndHighXYZ Returns - boolean Defined in core/geometry/src/geometry3d/Range.ts Line 396 Last Updated: 13 June, 2024