API Reference > imodeljs-frontend > IModelConnection > IModelConnection > spatialToCartographicFromGcs spatialToCartographicFromGcs Method Convert a point in this iModel's Spatial coordinates to a Cartographic using the Geographic location services for this IModelConnection. spatialToCartographicFromGcs(spatial: Readonly<WritableXYAndZ>, result?: Cartographic): Promise<Cartographic> throws IModelError if IModelConnection.isGeoLocated is false or point could not be converted. Parameter Type Description spatial Readonly<WritableXYAndZ> A point in the iModel's spatial coordinates result Cartographic If defined, use this for output Returns - Promise<Cartographic> A Cartographic location Defined in core/frontend/src/IModelConnection.ts Line 468 Last Updated: 29 November, 2022