ViewOrientation3D Constructor

Constructs a new ViewOrientation3D using the input eye position, up and forward directions.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)

Syntax

public ViewOrientation3D(
	XYZ eyePosition,
	XYZ upDirection,
	XYZ forwardDirection
)

eyePosition XYZ: The eye position
upDirection XYZ: The up direction. This vector will be normalized. Up direction must be perpendicular to the forward direction.
forwardDirection XYZ: The forward direction. This vector will be normalized. Forward direction must be perpendicular to the up direction.

Exception	Condition
ArgumentException	One or both of the input vectors cannot be normalized.
ArgumentNullException	A non-optional argument was null
ArgumentOutOfRangeException	upDirection has zero length. -or- forwardDirection has zero length.
ArgumentsInconsistentException	The vectors upDirection and forwardDirection are not perpendicular.