AddTangentToCurvedSurfaceAtKeyPoint Method

Description

This method adds a reference plane tangent to a curved surface, that is not a cylinder or cone, at a specified key point.

Syntax

Visual Basic
Public Function AddTangentToCurvedSurfaceAtKeyPoint( _ ByVal Face As Object, _ ByVal ParentPlane As Object, _ ByVal KeyPoint As Object, _ ByVal KeyPointTypeConstant As KeyPointType, _ ByVal XAxisAngle As Double, _ ByVal normalOrientation As ReferenceElementConstants, _ Optional ByVal Local As Variant _ ) As RefPlane

Visual Basic

Public Function AddTangentToCurvedSurfaceAtKeyPoint( _
   ByVal Face As Object, _
   ByVal ParentPlane As Object, _
   ByVal KeyPoint As Object, _
   ByVal KeyPointTypeConstant As KeyPointType, _
   ByVal XAxisAngle As Double, _
   ByVal normalOrientation As ReferenceElementConstants, _
   Optional ByVal Local As Variant _
) As RefPlane

Parameters

Face

Specifies the selected face tangent to which the reference will be created.

ParentPlane

Specifies the intersection plane defining the reference orientation (0 degrees) from which the angular offset is measured.

KeyPoint

Specifies the key point parent that defines the plane location.

KeyPointTypeConstant

Value	Description
igKeyPointCallback	Keypoint Type - Callback
igKeyPointCenter	Keypoint Type - Center
igKeyPointEnd	Keypoint Type - End
igKeyPointHorizontalSilhouette	Keypoint Type - Horizontal Silhouette
igKeyPointInteriorNode	Keypoint Type - Interior Node
igKeyPointInteriorPole	Keypoint Type - Interior Pole
igKeyPointMajorAxis	Keypoint Type - Major Axis
igKeyPointMiddle	Keypoint Type - Middle
igKeyPointMinorAxis	Keypoint Type - Minor Axis
igKeyPointNonDefining	Keypoint Type - Non-defining
igKeyPointPointOnly	Keypoint Type - Point Only
igKeyPointStart	Keypoint Type - Start
igKeyPointVerticalSilhouette	Keypoint Type - Vertical Silhouette

Specifies the constant indicating the desired type of key point if the key point is an edge or curve.

XAxisAngle

Specifies the angle to rotate the reference plane about its Z axis.

normalOrientation

Value	Description
ig3PointPlane
igAngular
igAtAngleToSurfaceAtKeypoint
igCurveEnd
igCurveStart
igFlipNormal
igNormalSide
igNormalToCurve
igNormalToCurveAtArcLengthRatio
igNormalToCurveAtDistance
igNormalToCurveAtDistanceAlongCurve
igNormalToCurveAtKeyPoint
igParallel
igParallelThroughPoint	Unsupported Internal type.
igPivotEnd
igPivotStart
igPlaneAlignX
igPlaneAlignY
igPlaneByMirror
igPlaneFlipHorizontal
igPlaneFlipVertical
igPlaneRotateLeft
igPlaneRotateRight
igRefEleInit
igReverseNormalSide
igTangentToFace
igTangentToSurfaceAtAngle
igTangentToSurfaceAtKeypoint

Specifies the constant indicating the plane normal should be reversed.

Local

Specifies where the reference plane is local or global and returns the resulting reference plane. The reference plane is local if not specified.