by Luke Davenport
Not a common request this, but an interesting one perhaps you agree.
Can you control the suppression of flat pattern features on an Inventor sheet metal part with iLogic? Every iLogic fan knows about the Component.IsActive snippet that enables suppression of part features, but features that are added specifically in the flat pattern environment are counted by Inventor as being completely separate to the normal folded model features - can be given identical names to them without any problem, and won't be recognised by the Component.IsActive command. But perhaps a brief dive into the wonderful Inventor API can help us with this? Bingo!
Important - Just bear in mind that in my efforts to be thoughtful for you my loyal readers I've added code to suppress a whole bunch of different features called Extrusion1, Hole1, Cut1 etc etc, so you'll need to delete the parts of the code you don't need and make sure the feature names match the code before running it, otherwise you’ll get an error. The code also uses a true/false parameter called FlatFeatures so you will need to create this in the part first if you leave that line in the code. Have fun!
'Define and access flat pattern features
Dim oDoc As PartDocument
oDoc = ThisApplication.ActiveDocument
Dim oSMDef As SheetMetalComponentDefinition
oSMDef = oDoc.ComponentDefinition
Dim oFlatFeatures As FlatPatternFeatures
oFlatFeatures = oSMDef.FlatPattern.Features
'Define all the features you want to work with
Dim oExtrudeFeature As ExtrudeFeature = oFlatFeatures.Item("Extrusion1")
Dim oCosmeticBendFeature As CosmeticBendFeature = oFlatFeatures.Item("Cosmetic Centerline1")
Dim oEmbossFeature As EmbossFeature = oFlatFeatures.Item("Emboss1")
Dim oCutFeature As CutFeature = oFlatFeatures.Item("Cut1")
Dim oHoleFeature As HoleFeature = oFlatFeatures.Item("Hole1")
Dim oCornerRoundFeature As CornerRoundFeature = oFlatFeatures.Item("Corner Round1")
Dim oCornerChamferFeature As CornerChamferFeature = oFlatFeatures.Item("Corner Chamfer1")
Try
If FlatFeatures = False Then
'Create an object collection to add the features for suppression
Dim oCADlineSuppress As ObjectCollection = ThisApplication.TransientObjects.CreateObjectCollection
'Add each feature that you want to suppress to the collection
oCADlineSuppress.Add(oExtrudeFeature)
oCADlineSuppress.Add(oCosmeticBendFeature)
oCADlineSuppress.Add(oEmbossFeature)
oCADlineSuppress.Add(oCutFeature)
oCADlineSuppress.Add(oHoleFeature)
oCADlineSuppress.Add(oCornerRoundFeature)
oCADlineSuppress.Add(oCornerChamferFeature)
'Suppress everything in this collection
oSMDef.FlatPattern.SuppressFeatures(oCADlineSuppress)
Else
'Create an object collection to add the features for unsuppression
Dim oCADlineUnSuppress As ObjectCollection = ThisApplication.TransientObjects.CreateObjectCollection
'Add each feature that you want to unsuppress to the collection
oCADlineUnSuppress.Add(oExtrudeFeature)
oCADlineUnSuppress.Add(oCosmeticBendFeature)
oCADlineUnSuppress.Add(oEmbossFeature)
oCADlineUnSuppress.Add(oCutFeature)
oCADlineUnSuppress.Add(oHoleFeature)
oCADlineUnSuppress.Add(oCornerRoundFeature)
oCADlineUnSuppress.Add(oCornerChamferFeature)
'Unsuppress everything in this collection
oSMDef.FlatPattern.UnsuppressFeatures(oCADlineUnSuppress)
End If
Catch
End Try
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