topic Unable to isolate AssemblyInstance in Revit API Forum

Unable to isolate AssemblyInstance

gopinath.rajendran — Tue, 30 Jun 2020 04:52:03 GMT

Macro function to Isolate selected assembly instances. After the isolation view is empty.

public void IsolateAssembly()
        {
            UIDocument uiDoc = ActiveUIDocument;
            Document doc = uiDoc.Document;

            List<ElementId> elements = new List<ElementId>();

            foreach (var id in uiDoc.Selection.GetElementIds())
            {
                Element tempElem = doc.GetElement(id);
                if(tempElem is AssemblyInstance)
                {
                    elements.Add(tempElem.Id);
                }
            }

            using (Transaction tx = new Transaction(doc))
            {
                tx.Start("Isolate Assembly");
                doc.ActiveView.IsolateElementsTemporary(elements);
                uiDoc.RefreshActiveView();
                tx.Commit();
            }
        }

Re: Unable to isolate AssemblyInstance

RPTHOMAS108 — Tue, 30 Jun 2020 10:34:12 GMT

Assembly instance is just the container so you need to get the members via AssemblyInstance.GetMemberIds and isolate those with the assembly instance.

AssemblyInstance El = Doc.GetElement(R) as AssemblyInstance; ICollection<ElementId> EIDs = El.GetMemberIds(); EIDs.Add(El.Id); using (Transaction Tx = new Transaction(Doc, "Temp isolate")) { if (Tx.Start() == TransactionStatus.Started) { UIDoc.ActiveGraphicalView.IsolateElementsTemporary(EIDs); Tx.Commit(); } }

Re: Unable to isolate AssemblyInstance

gopinath.rajendran — Tue, 30 Jun 2020 10:44:39 GMT

If I isolate assembly through Revit

If I isolate through collecting member ids the result is not the same. I need to isolate assembly instances like Revit not the members of assembly instances.

Re: Unable to isolate AssemblyInstance

RPTHOMAS108 — Tue, 30 Jun 2020 10:50:04 GMT

Isolating elements in view and what is contained in the current selection are two different things. So after isolating all of the objects try setting the current selection to the assembly instance only.

UIDocument.Selection.SetElementIds()