API Reference > imodeljs-common > Geometry > PositionalVectorTransform > rotation rotation Readonly rotation: XyzRotation The frame rotation components in arc seconds. The rotation sign convention is the one associated with the operation EPSG:9606 following recommendation of ISO 19111 specifications Defined in core/common/src/geometry/GeodeticDatum.ts Line 141 Last Updated: 12 June, 2024