ArcGIS Pro 3.4 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