•  

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: 22.0.0.0 (22.1.0.0)
Since: 2013

Syntax

C# 
public ViewOrientation3D(
	XYZ eyePosition,
	XYZ upDirection,
	XYZ forwardDirection
)
Visual Basic 
Public Sub New ( _
	eyePosition As XYZ, _
	upDirection As XYZ, _
	forwardDirection As XYZ _
)
Visual C++ 
public:
ViewOrientation3D(
	XYZ^ eyePosition, 
	XYZ^ upDirection, 
	XYZ^ forwardDirection
)

Parameters

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

Exceptions

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

See Also