Defines the basis of the old coordinate system in the new coordinate system.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

C#
public XYZ this[
	int idx
] { get; set; }
Visual Basic
Public Property Basis ( _
	idx As Integer _
) As XYZ
	Get
	Set
Visual C++
public:
property XYZ^ Basis[int idx] {
	XYZ^ get (int idx);
	void set (int idx, XYZ^ value);
}

Parameters

idx
Type: System..::..Int32
The index of the basis vector: 0, 1 or 2.

Remarks

This corresponds to the first three column vectors of the conventional 3x4 matrix representation.

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentOutOfRangeException Thrown when the given index is larger than 2 in the getter and setter.
Autodesk.Revit.Exceptions..::..InvalidOperationException Thrown when the transform is internally marked as read-only.

See Also