API Reference > imodeljs-frontend > Views > queryTerrainElevationOffset queryTerrainElevationOffset Function Queries the actual elevation of a cartographic point on the globe (using Bing elevation services) queryTerrainElevationOffset(viewport: ScreenViewport, carto: Cartographic): Promise<number> Parameter Type Description viewport ScreenViewport carto Cartographic Returns - Promise<number> Defined in core/frontend/src/ViewGlobalLocation.ts Line 61 Last Updated: 11 June, 2024