ArcGIS Pro 3.2 API Reference Guide
ArcGIS.Core.Geometry Namespace / CoordinateSystemListEntry Class / Category Property

In This Topic
    Category Property (CoordinateSystemListEntry)
    In This Topic
    Gets the category of the coordinate system. The category is a string separated by forward slashes. When there is more than one category (or region), the ordering is hierarchical. In other words, the categories in the list are ordered by area from largest to smallest.
    public string Category {get;}
    Public ReadOnly Property Category As String
    Retrieve coordinate systems
    // get all the geographic coordinate systems
    IReadOnlyList<CoordinateSystemListEntry> gcs_list = GeometryEngine.Instance.GetPredefinedCoordinateSystemList(CoordinateSystemFilter.GeographicCoordinateSystem);
    // get the projected coordinate systems
    IReadOnlyList<CoordinateSystemListEntry> proj_list = GeometryEngine.Instance.GetPredefinedCoordinateSystemList(CoordinateSystemFilter.ProjectedCoordinateSystem);
    // get the vertical coordinate systems
    IReadOnlyList<CoordinateSystemListEntry> vert_list = GeometryEngine.Instance.GetPredefinedCoordinateSystemList(CoordinateSystemFilter.VerticalCoordinateSystem);
    // get geographic and projected coordinate systems
    IReadOnlyList<CoordinateSystemListEntry> combined_list = GeometryEngine.Instance.GetPredefinedCoordinateSystemList(CoordinateSystemFilter.GeographicCoordinateSystem | CoordinateSystemFilter.ProjectedCoordinateSystem);
    // investigate one of the entries
    CoordinateSystemListEntry entry = gcs_list[0];
    int wkid = entry.Wkid;
    string category = entry.Category;
    string name = entry.Name;

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also