XYZ.AngleOnPlaneTo Method

Returns the angle between this vector and the specified vector projected to the specified plane.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)

Syntax

public double AngleOnPlaneTo(
	XYZ right,
	XYZ normal
)

Double
The real number between 0 and 2*PI equal to the projected angle between the two vectors.

Exception	Condition
ArgumentNullException	Thrown when right or normal is null.

The angle is projected onto the plane orthogonal to the specified normal vector, counterclockwise with the normal pointing upwards.