RebarConstraint ToOtherRebar

vankhoi9966 — Tue, 24 Sep 2024 12:22:54 GMT

Hi all.

How to set RebarConstrait as ToOtherRebar like in the picture.

My problem is that I cannot get or create a RebarConstraint with type ToOtherRebar so that I can continue processing in the API if the user has not manually manipulated in the Revit environment for the Handle to be a constraint to Rebar.

I use Shape Driven Rebar
Sorry, I use google translate because my english is not good.
Thanks all

Re: RebarConstraint ToOtherRebar

jeremy_tammik — Tue, 24 Sep 2024 05:27:30 GMT

I searched my files and found some hints in the DLL-embedded Revit API documentation:

Searching 6234 files for "ToOtherRebar" (regex) ~/a/src/rvt/ObjExporter/bin/Debug/RevitAPI.xml: 22488 </summary> 22489 <remarks> 22490: The RebarConstraintType of the RebarConstraint must be 'ToOtherRebar,' and the 22491 RebarTargetConstraintType must be 'Edge' or 'BarBend.' 22492 </remarks> ..... 22513 <member name="M:Autodesk.Revit.DB.Structure.RebarConstraint.TargetRebarConstraintTypeIsEdge"> 22514 <summary> 22515: Returns true if the RebarConstraintType of the RebarConstraint is 'ToOtherRebar,' 22516 and the RebarConstraint is attached to an edge of the other Rebar Element. 22517 </summary> ..... 22528 </since> 22529 </member> 22530: <member name="M:Autodesk.Revit.DB.Structure.RebarConstraint.IsToOtherRebar"> 22531 <summary> 22532: Returns true if the RebarConstraintType of the RebarConstraint is 'ToOtherRebar.' 22533 </summary> 22534 <since> ..... 22688 RebarConstraint is no longer valid. 22689 -or- 22690: The RebarConstraint is not of RebarConstraintType 'ToOtherRebar.' 22691 -or- 22692 The RebarTargetConstraintType is not 'HookBend' or 'BarBend'. ..... 22701 <summary> 22702 Returns 0 or 1 to indicate which end hook on the other Rebar Element to which this RebarConstraint is attached. 22703: The RebarConstraint must be of RebarConstraintType 'ToOtherRebar,' and the TargetRebarConstraintType 22704 must be 'HookBend.' 22705 Rebar must be Shape Driven Rebar element. ..... 22711 RebarConstraint is no longer valid. 22712 -or- 22713: The RebarConstraint is not of RebarConstraintType 'ToOtherRebar.' 22714 -or- 22715 The RebarTargetConstraintType is not 'HookBend' ..... 22724 <summary> 22725 Returns the number of the bend on the other Rebar Element to which this RebarConstraint is attached. 22726: The RebarConstraint must be of RebarConstraintType 'ToOtherRebar,' and the TargetRebarConstraintType 22727 must be 'BarBend.' 22728 Rebar must be Shape Driven Rebar element. ..... 22731 RebarConstraint is no longer valid. 22732 -or- 22733: The RebarConstraint is not of RebarConstraintType 'ToOtherRebar.' 22734 -or- 22735 The RebarTargetConstraintType is not 'BarBend' ..... 22744 <summary> 22745 Returns the number of the edge on the other Rebar Element to which this RebarConstraint is attached. 22746: The RebarConstraint must be of RebarConstraintType 'ToOtherRebar,' and the TargetRebarConstraintType 22747 must be 'Edge.' 22748 Rebar must be Shape Driven Rebar element. ..... 22751 RebarConstraint is no longer valid. 22752 -or- 22753: The RebarConstraint is not of RebarConstraintType 'ToOtherRebar.' 22754 -or- 22755 The RebarConstraint is not attached to an edge, or bend, or hook bend of another Rebar Element. ..... 22765 Returns the TargetRebarConstraintType of the handle on the other Rebar Element 22766 to which this RebarConstraint is attached. The RebarConstraintType of the 22767: RebarConstraint must be 'ToOtherRebar.' 22768 Rebar must be Shape Driven Rebar element. 22769 </summary> ..... 22771 RebarConstraint is no longer valid. 22772 -or- 22773: The RebarConstraint is not of RebarConstraintType 'ToOtherRebar.' 22774 -or- 22775 Constrained rebar is a free form rebar element. ..... 23223 </since> 23224 </member> 23225: <member name="F:Autodesk.Revit.DB.Structure.RebarConstraintType.ToOtherRebar"> 23226 <summary> 23227 Handle is attached to a handle on another Rebar Element. Only applies to ..... 24546 locked dimension, moving one of dimension references, and then re-locking the 24547 dimension - all in one step.</p> 24548: <p>When a handle with a ToCover or ToOtherRebar preferred constraint is dragged by 24549 the user, it will snap back to its constraint target, unless it is dragged 24550 beyond tolerance distance. In that case, it will select a new constraint using

Maybe you can glean some info from them. Another way to explore how to achieve this might be to set up the required constraint manually in the end user interface and then use RevitLookup and other database exploration tools to analyse the resulting elements, their properties and relationships. Meanwhile, I also asked the development team for advice for you.

Re: RebarConstraint ToOtherRebar

vankhoi9966 — Tue, 24 Sep 2024 07:10:00 GMT

Thanks Jeremy Tammik so much, I really tried everything but couldn't create a RebarConstraint with type ToOtherRebar.

I noticed that when I get all the RebarConstraints of Handle there is no RebarConstraint type ToOtherRebar even though I set it manually in Revit environment.

Thanks again, if there is any new information please let me know

Re: RebarConstraint ToOtherRebar

jeremy_tammik — Tue, 24 Sep 2024 11:47:47 GMT

Answer:

RebarConstraint.SetToUseClearBarSpacing(useClearBarSpacing)
https://www.revitapidocs.com/2024/2e8fd543-a754-0c53-6812-e11b4c27f438.htm

From the picture, it looks like you want to set it to "true".

Re: RebarConstraint ToOtherRebar

vankhoi9966 — Tue, 24 Sep 2024 12:21:30 GMT

Thanks jeremy_tammik, maybe my question was not clear, I apologize for this.

Thanks

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