Revit 2025 API
Energy |
Id of level which represents ground level.
Namespace: Autodesk.Revit.DB.Analysis
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public ElementId GroundPlane { get; set; }
Public Property GroundPlane As ElementId Get Set
public: property ElementId^ GroundPlane { ElementId^ get (); void set (ElementId^ value); }
member GroundPlane : ElementId with get, set
Property Value
ElementId
Exception | Condition |
---|---|
ArgumentException | When setting this property: The input element is not a level or invalidElementId. |
ArgumentNullException | When setting this property: A non-optional argument was null |

The ground plane defines what is above and below ground for Conceptual Energy Analysis.
The ground plane can optionally used for the rendering cast shadows.
See Also