API Reference > imodeljs-common > Geometry > Projection > elevationAboveGeoid elevationAboveGeoid Readonly elevationAboveGeoid: undefined | number The elevation of the origin of the projection above the geoid. This value allows compensation for the scale factor related to elevation above the sea level. Defined in core/common/src/geometry/Projection.ts Line 255 Last Updated: 11 June, 2024