ViewOrientation3D

Public Constructor

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

Namespace: Autodesk.Revit.DB

Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

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

Parameters

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.

Exceptions

Exception

Condition

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ArgumentException

One or both of the input vectors cannot be normalized.

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ArgumentNullException

A non-optional argument was null

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ArgumentOutOfRangeException

upDirection has zero length. -or- forwardDirection has zero length.

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ArgumentsInconsistentException

The vectors upDirection and forwardDirection are not perpendicular.

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