API Reference > imodeljs-common > Geometry > AdditionalTransformProps AdditionalTransformProps Interface Additional Transform definition Implemented by AdditionalTransform Properties Name Type Description helmert2DWithZOffset undefined | Helmert2DWithZOffsetProps The properties of a 2D Helmert transform with Z offset if one is defined. Defined in core/common/src/geometry/AdditionalTransform.ts Line 91 Last Updated: 11 June, 2024