API Reference > geometry-core > CartesianGeometry > Ellipsoid > constantLongitudeArc constantLongitudeArc Method Return an arc (circular or elliptical) at constant longitude constantLongitudeArc(longitude: Angle, latitudeSweep: AngleSweep, result?: Arc3d): undefined | Arc3d Parameter Type Description longitude Angle (strongly typed) longitude latitudeSweep AngleSweep result Arc3d Returns - undefined | Arc3d Defined in geometry3d/Ellipsoid.ts Line 495 Last Updated: 12 June, 2024