Revit 2025.3 API
TransformBasis |
The basis of the Y axis of this transformation.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
public XYZ BasisY { get; set; }
Public Property BasisY As XYZ Get Set
public: property XYZ^ BasisY { XYZ^ get (); void set (XYZ^ value); }
member BasisY : XYZ with get, set
Property Value
XYZ
Exception | Condition |
---|---|
InvalidOperationException | Thrown when the transform is internally marked as read-only. |

The Y axis of the old coordinate system in the new coordinate system,
or the 2nd column of the conventional 3x4 matrix representation.
See Also