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Get Angle Between Plane and Line Example (VBA)

This example shows how to get the angle between a selected plane and a selected sketch line.




' Preconditions: Sketch containing a Line1@3DSketch1 exists.


' Postconditions: None



Option Explicit


Dim swApp As SldWorks.SldWorks

Dim swModel As SldWorks.ModelDoc2

Dim swSelMgr As SldWorks.SelectionMgr

Dim swModelDocExt As SldWorks.ModelDocExtension

Dim boolstatus As Boolean


Sub main()


Dim swMath As SldWorks.MathUtility

Set swApp = Application.SldWorks

Set swMath = swApp.GetMathUtility


Set swModel = swApp.ActiveDoc

Set swSelMgr = swModel.SelectionManager

Set swModelDocExt = swModel.Extension

swModel.ClearSelection2 True

boolstatus = swModelDocExt.SelectByID2("Top Plane", "PLANE", 0, 0, 0, False, 0, Nothing, 0)

boolstatus = swModelDocExt.SelectByID2("Line1@3DSketch1", "EXTSKETCHSEGMENT", 0.07751735119544, 0.02644237600659, -0.0634797539437, True, 0, Nothing, 0)


Dim swFeat As SldWorks.Feature

Dim swSkSeg As SldWorks.SketchSegment

Set swFeat = swSelMgr.GetSelectedObject6(1, 0)

Set swSkSeg = swSelMgr.GetSelectedObject6(2, 0)


Dim swRefPlane As SldWorks.RefPlane

Set swRefPlane = swFeat.GetSpecificFeature2


Dim normVec As MathVector

Dim dirArr(2) As Double

Dim params As Variant


dirArr(0) = 0#

dirArr(1) = 0#

dirArr(2) = 1#

Set normVec = swMath.CreateVector((dirArr))

Set normVec = normVec.MultiplyTransform(swRefPlane.Transform)

Debug.Print normVec.ArrayData(0), normVec.ArrayData(1), normVec.ArrayData(2)


Dim curveVec As SldWorks.MathVector

Dim swCurve As SldWorks.Curve

Set swCurve = swSkSeg.GetCurve

params = swCurve.LineParams

dirArr(0) = params(3)

dirArr(1) = params(4)

dirArr(2) = params(5)

Set curveVec = swMath.CreateVector((dirArr))

Debug.Print curveVec.ArrayData(0), curveVec.ArrayData(1), curveVec.ArrayData(2)


Dim crossVec As SldWorks.MathVector

Set crossVec = curveVec.Cross(normVec)


Dim dot As Double

Dim vecLen As Double

Dim angle As Double

dot = curveVec.dot(normVec)

vecLen = crossVec.GetLength()

angle = Atn(dot / vecLen)

Debug.Print angle


End Sub

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