API Reference > IModeljs-common > IModels > IModel > spatialToEcef spatialToEcef Method Convert a point in this iModel's Spatial coordinates to an ECEF point using its IModel.ecefLocation. spatialToEcef(spatial: Readonly<WritableXYAndZ>, result?: Point3d): Point3d throws IModelError if IModel.isGeoLocated is false. Parameter Type Description spatial Readonly<WritableXYAndZ> A point in the iModel's spatial coordinates result Point3d If defined, use this for output Returns - Point3d A Point3d in ECEF coordinates Defined in core/common/src/IModel.ts Line 561 Last Updated: 29 November, 2022