ArcGIS Pro 3.2 API Reference Guide
ArcGIS.Core.Geometry Namespace / SpatialReference Class / CentralMeridian Property
Version

    CentralMeridian Property
    Gets the central meridian of the projected coordinate system.
    Syntax
    public double CentralMeridian {get;}

    Property Value

    The central meridian in degrees. If the coordinate system is not projected, then double.NaN is returned.
    Remarks
    The central meridian (also known as longitude of origin) defines the origin of the x-coordinates.
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also